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vdbemem.c

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1 /* -

2 ** 2004 May 26 -

3 ** -

4 ** The author disclaims copyright to this source code. In place of -

5 ** a legal notice, here is a blessing: -

6 ** -

7 ** May you do good and not evil. -

8 ** May you find forgiveness for yourself and forgive others. -

9 ** May you share freely, never taking more than you give. -

10 ** -

11 ************************************************************************* -

12 ** -

13 ** This file contains code use to manipulate "Mem" structure. A "Mem" -

14 ** stores a single value in the VDBE. Mem is an opaque structure visible -

15 ** only within the VDBE. Interface routines refer to a Mem using the -

16 ** name sqlite_value -

17 */ -

18 #include "sqliteInt.h" -

19 #include "vdbeInt.h" -

20 -

21 #ifdef SQLITE_DEBUG -

22 /* -

23 ** Check invariants on a Mem object. -

24 ** -

25 ** This routine is intended for use inside of assert() statements, like -

26 ** this: assert( sqlite3VdbeCheckMemInvariants(pMem) ); -

27 */ -

28 int sqlite3VdbeCheckMemInvariants(Mem *p){ -

29 /* If MEM_Dyn is set then Mem.xDel!=0. -

30 ** Mem.xDel might not be initialized if MEM_Dyn is clear. -

31 */ -

32 assert( (p->flags & MEM_Dyn)==0 || p->xDel!=0 ); -

33 -

34 /* MEM_Dyn may only be set if Mem.szMalloc==0. In this way we -

35 ** ensure that if Mem.szMalloc>0 then it is safe to do -

36 ** Mem.z = Mem.zMalloc without having to check Mem.flags&MEM_Dyn. -

37 ** That saves a few cycles in inner loops. */ -

38 assert( (p->flags & MEM_Dyn)==0 || p->szMalloc==0 ); -

39 -

40 /* Cannot be both MEM_Int and MEM_Real at the same time */ -

41 assert( (p->flags & (MEM_Int|MEM_Real))!=(MEM_Int|MEM_Real) ); -

42 -

43 if( p->flags & MEM_Null ){ -

44 /* Cannot be both MEM_Null and some other type */ -

45 assert( (p->flags & (MEM_Int|MEM_Real|MEM_Str|MEM_Blob|MEM_Agg))==0 ); -

46 -

47 /* If MEM_Null is set, then either the value is a pure NULL (the usual -

48 ** case) or it is a pointer set using sqlite3_bind_pointer() or -

49 ** sqlite3_result_pointer(). If a pointer, then MEM_Term must also be -

50 ** set. -

51 */ -

52 if( (p->flags & (MEM_Term|MEM_Subtype))==(MEM_Term|MEM_Subtype) ){ -

53 /* This is a pointer type. There may be a flag to indicate what to -

54 ** do with the pointer. */ -

55 assert( ((p->flags&MEM_Dyn)!=0 ? 1 : 0) + -

56 ((p->flags&MEM_Ephem)!=0 ? 1 : 0) + -

57 ((p->flags&MEM_Static)!=0 ? 1 : 0) <= 1 ); -

58 -

59 /* No other bits set */ -

60 assert( (p->flags & ~(MEM_Null|MEM_Term|MEM_Subtype -

61 |MEM_Dyn|MEM_Ephem|MEM_Static))==0 ); -

62 }else{ -

63 /* A pure NULL might have other flags, such as MEM_Static, MEM_Dyn, -

64 ** MEM_Ephem, MEM_Cleared, or MEM_Subtype */ -

65 } -

66 }else{ -

67 /* The MEM_Cleared bit is only allowed on NULLs */ -

68 assert( (p->flags & MEM_Cleared)==0 ); -

69 } -

70 -

71 /* The szMalloc field holds the correct memory allocation size */ -

72 assert( p->szMalloc==0 -

73 || p->szMalloc==sqlite3DbMallocSize(p->db,p->zMalloc) ); -

74 -

75 /* If p holds a string or blob, the Mem.z must point to exactly -

76 ** one of the following: -

77 ** -

78 ** (1) Memory in Mem.zMalloc and managed by the Mem object -

79 ** (2) Memory to be freed using Mem.xDel -

80 ** (3) An ephemeral string or blob -

81 ** (4) A static string or blob -

82 */ -

83 if( (p->flags & (MEM_Str|MEM_Blob)) && p->n>0 ){ -

84 assert( -

85 ((p->szMalloc>0 && p->z==p->zMalloc)? 1 : 0) + -

86 ((p->flags&MEM_Dyn)!=0 ? 1 : 0) + -

87 ((p->flags&MEM_Ephem)!=0 ? 1 : 0) + -

88 ((p->flags&MEM_Static)!=0 ? 1 : 0) == 1 -

89 ); -

90 } -

91 return 1; -

92 } -

93 #endif -

94 -

95 #ifdef SQLITE_DEBUG -

96 /* -

97 ** Check that string value of pMem agrees with its integer or real value. -

98 ** -

99 ** A single int or real value always converts to the same strings. But -

100 ** many different strings can be converted into the same int or real. -

101 ** If a table contains a numeric value and an index is based on the -

102 ** corresponding string value, then it is important that the string be -

103 ** derived from the numeric value, not the other way around, to ensure -

104 ** that the index and table are consistent. See ticket -

105 ** https://www.sqlite.org/src/info/343634942dd54ab (2018-01-31) for -

106 ** an example. -

107 ** -

108 ** This routine looks at pMem to verify that if it has both a numeric -

109 ** representation and a string representation then the string rep has -

110 ** been derived from the numeric and not the other way around. It returns -

111 ** true if everything is ok and false if there is a problem. -

112 ** -

113 ** This routine is for use inside of assert() statements only. -

114 */ -

115 int sqlite3VdbeMemConsistentDualRep(Mem *p){ -

116 char zBuf[100]; -

117 char *z; -

118 int i, j, incr; -

119 if( (p->flags & MEM_Str)==0 ) return 1; -

120 if( (p->flags & (MEM_Int|MEM_Real))==0 ) return 1; -

121 if( p->flags & MEM_Int ){ -

122 sqlite3_snprintf(sizeof(zBuf),zBuf,"%lld",p->u.i); -

123 }else{ -

124 sqlite3_snprintf(sizeof(zBuf),zBuf,"%!.15g",p->u.r); -

125 } -

126 z = p->z; -

127 i = j = 0; -

128 incr = 1; -

129 if( p->enc!=SQLITE_UTF8 ){ -

130 incr = 2; -

131 if( p->enc==SQLITE_UTF16BE ) z++; -

132 } -

133 while( zBuf[j] ){ -

134 if( zBuf[j++]!=z[i] ) return 0; -

135 i += incr; -

136 } -

137 return 1; -

138 } -

139 #endif /* SQLITE_DEBUG */ -

140 -

141 /* -

142 ** If pMem is an object with a valid string representation, this routine -

143 ** ensures the internal encoding for the string representation is -

144 ** 'desiredEnc', one of SQLITE_UTF8, SQLITE_UTF16LE or SQLITE_UTF16BE. -

145 ** -

146 ** If pMem is not a string object, or the encoding of the string -

147 ** representation is already stored using the requested encoding, then this -

148 ** routine is a no-op. -

149 ** -

150 ** SQLITE_OK is returned if the conversion is successful (or not required). -

151 ** SQLITE_NOMEM may be returned if a malloc() fails during conversion -

152 ** between formats. -

153 */ -

154 int sqlite3VdbeChangeEncoding(Mem *pMem, int desiredEnc){ -

155 #ifndef SQLITE_OMIT_UTF16 -

156 int rc; -

157 #endif -

158 assert( !sqlite3VdbeMemIsRowSet(pMem) ); -

159 assert( desiredEnc==SQLITE_UTF8 || desiredEnc==SQLITE_UTF16LE -

160 || desiredEnc==SQLITE_UTF16BE ); -

161

if( !(pMem->flags&MEM_Str) || pMem->enc==desiredEnc ){

!(pMem->flags&0x0002)

Description

TRUE

evaluated 2876019 times by 374 tests

Evaluated by:

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FALSE

evaluated 1438102 times by 434 tests

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pMem->enc==desiredEnc

Description

TRUE

evaluated 1433982 times by 434 tests

Evaluated by:

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FALSE

evaluated 4120 times by 1 test

Evaluated by:

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4120-2876019

162

return SQLITE_OK;

executed 4310001 times by 434 tests: return 0;

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4310001

163 } -

164 assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); -

165 #ifdef SQLITE_OMIT_UTF16 -

166 return SQLITE_ERROR; -

167 #else -

168 -

169 /* MemTranslate() may return SQLITE_OK or SQLITE_NOMEM. If NOMEM is returned, -

170 ** then the encoding of the value may not have changed. -

171 */ -

172 rc = sqlite3VdbeMemTranslate(pMem, (u8)desiredEnc); -

173 assert(rc==SQLITE_OK || rc==SQLITE_NOMEM); -

174 assert(rc==SQLITE_OK || pMem->enc!=desiredEnc); -

175 assert(rc==SQLITE_NOMEM || pMem->enc==desiredEnc); -

176

return rc;

executed 4120 times by 1 test: return rc;

Executed by:

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4120

177 #endif -

178 } -

179 -

180 /* -

181 ** Make sure pMem->z points to a writable allocation of at least -

182 ** min(n,32) bytes. -

183 ** -

184 ** If the bPreserve argument is true, then copy of the content of -

185 ** pMem->z into the new allocation. pMem must be either a string or -

186 ** blob if bPreserve is true. If bPreserve is false, any prior content -

187 ** in pMem->z is discarded. -

188 */ -

189 SQLITE_NOINLINE int sqlite3VdbeMemGrow(Mem *pMem, int n, int bPreserve){ -

190 assert( sqlite3VdbeCheckMemInvariants(pMem) ); -

191 assert( !sqlite3VdbeMemIsRowSet(pMem) ); -

192 testcase( pMem->db==0 ); -

193 -

194 /* If the bPreserve flag is set to true, then the memory cell must already -

195 ** contain a valid string or blob value. */ -

196 assert( bPreserve==0 || pMem->flags&(MEM_Blob|MEM_Str) ); -

197 testcase( bPreserve && pMem->z==0 ); -

198 -

199 assert( pMem->szMalloc==0 -

200 || pMem->szMalloc==sqlite3DbMallocSize(pMem->db, pMem->zMalloc) ); -

201

if( n<32 ) n = 32;

executed 2436585 times by 434 tests: n = 32;

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n<32

Description

TRUE

evaluated 2436585 times by 434 tests

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FALSE

evaluated 3656289 times by 435 tests

Evaluated by:

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2436585-3656289

202

if( pMem->szMalloc>0 && bPreserve && pMem->z==pMem->zMalloc ){

pMem->szMalloc>0

Description

TRUE

evaluated 2012865 times by 10 tests

Evaluated by:

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FALSE

evaluated 4080009 times by 435 tests

Evaluated by:

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bPreserve	Description
TRUE	evaluated 1699311 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 313554 times by 10 tests Evaluated by: Self test (101) Self test (24) Self test (26) Self test (27) Self test (28) Self test (29) Self test (34) Self test (39) Self test (438) Self test (47)

pMem->z==pMem->zMalloc	Description
TRUE	evaluated 9343 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 1689968 times by 1 test Evaluated by: Self test (438)

9343-4080009

203 pMem->z = pMem->zMalloc = sqlite3DbReallocOrFree(pMem->db, pMem->z, n); -

204 bPreserve = 0; -

205

}else{

executed 9343 times by 1 test: end of block

Executed by:

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9343

206

if( pMem->szMalloc>0 ) sqlite3DbFreeNN(pMem->db, pMem->zMalloc);

executed 2003522 times by 10 tests: sqlite3DbFreeNN(pMem->db, pMem->zMalloc);

Executed by:

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pMem->szMalloc>0

Description

TRUE

evaluated 2003522 times by 10 tests

Evaluated by:

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FALSE

evaluated 4080009 times by 435 tests

Evaluated by:

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2003522-4080009

207 pMem->zMalloc = sqlite3DbMallocRaw(pMem->db, n); -

208

}

executed 6083531 times by 435 tests: end of block

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6083531

209

if( pMem->zMalloc==0 ){

pMem->zMalloc==0

Description

TRUE

evaluated 210 times by 1 test

Evaluated by:

Self test (438)

FALSE

evaluated 6092664 times by 435 tests

Evaluated by:

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210-6092664

210 sqlite3VdbeMemSetNull(pMem); -

211 pMem->z = 0; -

212 pMem->szMalloc = 0; -

213

return SQLITE_NOMEM_BKPT;

executed 210 times by 1 test: return 7;

Executed by:

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210

214 }else{ -

215 pMem->szMalloc = sqlite3DbMallocSize(pMem->db, pMem->zMalloc); -

216

}

executed 6092664 times by 435 tests: end of block

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6092664

217 -

218

if( bPreserve && pMem->z ){

bPreserve

Description

TRUE

evaluated 1753350 times by 1 test

Evaluated by:

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FALSE

evaluated 4339314 times by 435 tests

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pMem->z	Description
TRUE	evaluated 1736817 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 16533 times by 1 test Evaluated by: Self test (438)

16533-4339314

219 assert( pMem->z!=pMem->zMalloc ); -

220 memcpy(pMem->zMalloc, pMem->z, pMem->n); -

221

}

executed 1736817 times by 1 test: end of block

Executed by:

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1736817

222

if( (pMem->flags&MEM_Dyn)!=0 ){

(pMem->flags&0x0400)!=0

Description

TRUE

evaluated 14073 times by 1 test

Evaluated by:

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FALSE

evaluated 6078591 times by 435 tests

Evaluated by:

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14073-6078591

223 assert( pMem->xDel!=0 && pMem->xDel!=SQLITE_DYNAMIC ); -

224 pMem->xDel((void *)(pMem->z)); -

225

}

executed 14073 times by 1 test: end of block

Executed by:

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14073

226 -

227 pMem->z = pMem->zMalloc; -

228 pMem->flags &= ~(MEM_Dyn|MEM_Ephem|MEM_Static); -

229

return SQLITE_OK;

executed 6092664 times by 435 tests: return 0;

Executed by:

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6092664

230 } -

231 -

232 /* -

233 ** Change the pMem->zMalloc allocation to be at least szNew bytes. -

234 ** If pMem->zMalloc already meets or exceeds the requested size, this -

235 ** routine is a no-op. -

236 ** -

237 ** Any prior string or blob content in the pMem object may be discarded. -

238 ** The pMem->xDel destructor is called, if it exists. Though MEM_Str -

239 ** and MEM_Blob values may be discarded, MEM_Int, MEM_Real, and MEM_Null -

240 ** values are preserved. -

241 ** -

242 ** Return SQLITE_OK on success or an error code (probably SQLITE_NOMEM) -

243 ** if unable to complete the resizing. -

244 */ -

245 int sqlite3VdbeMemClearAndResize(Mem *pMem, int szNew){ -

246 assert( szNew>0 ); -

247 assert( (pMem->flags & MEM_Dyn)==0 || pMem->szMalloc==0 ); -

248

if( pMem->szMalloc<szNew ){

pMem->szMalloc<szNew

Description

TRUE

evaluated 3789745 times by 435 tests

Evaluated by:

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FALSE

evaluated 3951881 times by 402 tests

Evaluated by:

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3789745-3951881

249

return sqlite3VdbeMemGrow(pMem, szNew, 0);

executed 3789745 times by 435 tests: return sqlite3VdbeMemGrow(pMem, szNew, 0);

Executed by:

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...

3789745

250 } -

251 assert( (pMem->flags & MEM_Dyn)==0 ); -

252 pMem->z = pMem->zMalloc; -

253 pMem->flags &= (MEM_Null|MEM_Int|MEM_Real); -

254

return SQLITE_OK;

executed 3951881 times by 402 tests: return 0;

Executed by:

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Self test (10)
Self test (100)
Self test (101)
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Self test (106)
Self test (107)
Self test (108)
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Self test (110)
Self test (111)
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...

3951881

255 } -

256 -

257 /* -

258 ** It is already known that pMem contains an unterminated string. -

259 ** Add the zero terminator. -

260 */ -

261 static SQLITE_NOINLINE int vdbeMemAddTerminator(Mem *pMem){ -

262

if( sqlite3VdbeMemGrow(pMem, pMem->n+2, 1) ){

sqlite3VdbeMem... pMem->n+2, 1)	Description
TRUE	never evaluated
FALSE	evaluated 1745529 times by 1 test Evaluated by: Self test (438)

0-1745529

263

return SQLITE_NOMEM_BKPT;

never executed: return 7;

264 } -

265 pMem->z[pMem->n] = 0; -

266 pMem->z[pMem->n+1] = 0; -

267 pMem->flags |= MEM_Term; -

268

return SQLITE_OK;

executed 1745529 times by 1 test: return 0;

Executed by:

Self test (438)

1745529

269 } -

270 -

271 /* -

272 ** Change pMem so that its MEM_Str or MEM_Blob value is stored in -

273 ** MEM.zMalloc, where it can be safely written. -

274 ** -

275 ** Return SQLITE_OK on success or SQLITE_NOMEM if malloc fails. -

276 */ -

277 int sqlite3VdbeMemMakeWriteable(Mem *pMem){ -

278 assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); -

279 assert( !sqlite3VdbeMemIsRowSet(pMem) ); -

280

if( (pMem->flags & (MEM_Str|MEM_Blob))!=0 ){

(pMem->flags &...02|0x0010))!=0

Description

TRUE

evaluated 1738249 times by 1 test

Evaluated by:

Self test (438)

FALSE

evaluated 3368662 times by 32 tests

Evaluated by:

Self test
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (24)
Self test (26)
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Self test (438)
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...

1738249-3368662

281

if( ExpandBlob(pMem) ) return SQLITE_NOMEM;

never executed: return 7;

(((pMem)->flag...dBlob(pMem):0)	Description
TRUE	never evaluated
FALSE	evaluated 1738249 times by 1 test Evaluated by: Self test (438)

((pMem)->flags&0x4000)	Description
TRUE	evaluated 16514 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 1721735 times by 1 test Evaluated by: Self test (438)

0-1738249

282

if( pMem->szMalloc==0 || pMem->z!=pMem->zMalloc ){

pMem->szMalloc==0	Description
TRUE	evaluated 48017 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 1690232 times by 1 test Evaluated by: Self test (438)

pMem->z!=pMem->zMalloc	Description
TRUE	evaluated 1673514 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 16718 times by 1 test Evaluated by: Self test (438)

16718-1690232

283 int rc = vdbeMemAddTerminator(pMem); -

284

if( rc ) return rc;

never executed: return rc;

rc	Description
TRUE	never evaluated
FALSE	evaluated 1721531 times by 1 test Evaluated by: Self test (438)

0-1721531

285

}

executed 1721531 times by 1 test: end of block

Executed by:

Self test (438)

1721531

286

}

executed 1738249 times by 1 test: end of block

Executed by:

Self test (438)

1738249

287 pMem->flags &= ~MEM_Ephem; -

288 #ifdef SQLITE_DEBUG -

289 pMem->pScopyFrom = 0; -

290 #endif -

291 -

292

return SQLITE_OK;

executed 5106911 times by 32 tests: return 0;

Executed by:

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Self test (100)
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Self test (24)
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Self test (44)
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...

5106911

293 } -

294 -

295 /* -

296 ** If the given Mem* has a zero-filled tail, turn it into an ordinary -

297 ** blob stored in dynamically allocated space. -

298 */ -

299 #ifndef SQLITE_OMIT_INCRBLOB -

300 int sqlite3VdbeMemExpandBlob(Mem *pMem){ -

301 int nByte; -

302 assert( pMem->flags & MEM_Zero ); -

303 assert( pMem->flags&MEM_Blob ); -

304 assert( !sqlite3VdbeMemIsRowSet(pMem) ); -

305 assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); -

306 -

307 /* Set nByte to the number of bytes required to store the expanded blob. */ -

308 nByte = pMem->n + pMem->u.nZero; -

309

if( nByte<=0 ){

nByte<=0	Description
TRUE	evaluated 7 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 16534 times by 1 test Evaluated by: Self test (438)

7-16534

310 nByte = 1; -

311

}

executed 7 times by 1 test: end of block

Executed by:

Self test (438)

312

if( sqlite3VdbeMemGrow(pMem, nByte, 1) ){

sqlite3VdbeMem...Mem, nByte, 1)	Description
TRUE	never evaluated
FALSE	evaluated 16541 times by 1 test Evaluated by: Self test (438)

0-16541

313

return SQLITE_NOMEM_BKPT;

never executed: return 7;

314 } -

315 -

316 memset(&pMem->z[pMem->n], 0, pMem->u.nZero); -

317 pMem->n += pMem->u.nZero; -

318 pMem->flags &= ~(MEM_Zero|MEM_Term); -

319

return SQLITE_OK;

executed 16541 times by 1 test: return 0;

Executed by:

Self test (438)

16541

320 } -

321 #endif -

322 -

323 /* -

324 ** Make sure the given Mem is \u0000 terminated. -

325 */ -

326 int sqlite3VdbeMemNulTerminate(Mem *pMem){ -

327 assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); -

328 testcase( (pMem->flags & (MEM_Term|MEM_Str))==(MEM_Term|MEM_Str) ); -

329 testcase( (pMem->flags & (MEM_Term|MEM_Str))==0 ); -

330

if( (pMem->flags & (MEM_Term|MEM_Str))!=MEM_Str ){

(pMem->flags &...0002))!=0x0002

Description

TRUE

evaluated 6566308 times by 434 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
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Self test (104)
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...

FALSE

evaluated 23998 times by 1 test

Evaluated by:

Self test (438)

23998-6566308

331

return SQLITE_OK; /* Nothing to do */

executed 6566308 times by 434 tests: return 0;

Executed by:

Self test
Self test (10)
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Self test (104)
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...

6566308

332 }else{ -

333

return vdbeMemAddTerminator(pMem);

executed 23998 times by 1 test: return vdbeMemAddTerminator(pMem);

Executed by:

Self test (438)

23998

334 } -

335 } -

336 -

337 /* -

338 ** Add MEM_Str to the set of representations for the given Mem. Numbers -

339 ** are converted using sqlite3_snprintf(). Converting a BLOB to a string -

340 ** is a no-op. -

341 ** -

342 ** Existing representations MEM_Int and MEM_Real are invalidated if -

343 ** bForce is true but are retained if bForce is false. -

344 ** -

345 ** A MEM_Null value will never be passed to this function. This function is -

346 ** used for converting values to text for returning to the user (i.e. via -

347 ** sqlite3_value_text()), or for ensuring that values to be used as btree -

348 ** keys are strings. In the former case a NULL pointer is returned the -

349 ** user and the latter is an internal programming error. -

350 */ -

351 int sqlite3VdbeMemStringify(Mem *pMem, u8 enc, u8 bForce){ -

352 int fg = pMem->flags; -

353 const int nByte = 32; -

354 -

355 assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); -

356 assert( !(fg&MEM_Zero) ); -

357 assert( !(fg&(MEM_Str|MEM_Blob)) ); -

358 assert( fg&(MEM_Int|MEM_Real) ); -

359 assert( !sqlite3VdbeMemIsRowSet(pMem) ); -

360 assert( EIGHT_BYTE_ALIGNMENT(pMem) ); -

361 -

362 -

363

if( sqlite3VdbeMemClearAndResize(pMem, nByte) ){

sqlite3VdbeMem...e(pMem, nByte)

Description

TRUE

evaluated 17 times by 1 test

Evaluated by:

Self test (438)

FALSE

evaluated 385937 times by 434 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
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...

17-385937

364 pMem->enc = 0; -

365

return SQLITE_NOMEM_BKPT;

executed 17 times by 1 test: return 7;

Executed by:

Self test (438)

366 } -

367 -

368 /* For a Real or Integer, use sqlite3_snprintf() to produce the UTF-8 -

369 ** string representation of the value. Then, if the required encoding -

370 ** is UTF-16le or UTF-16be do a translation. -

371 ** -

372 ** FIX ME: It would be better if sqlite3_snprintf() could do UTF-16. -

373 */ -

374

if( fg & MEM_Int ){

fg & 0x0004

Description

TRUE

evaluated 293957 times by 434 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
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Self test (103)
Self test (104)
Self test (105)
Self test (106)
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Self test (109)
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Self test (116)
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Self test (118)
Self test (119)
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...

FALSE

evaluated 91980 times by 1 test

Evaluated by:

Self test (438)

91980-293957

375 sqlite3_snprintf(nByte, pMem->z, "%lld", pMem->u.i); -

376

}else{

executed 293957 times by 434 tests: end of block

Executed by:

Self test
Self test (10)
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Self test (106)
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...

293957

377 assert( fg & MEM_Real ); -

378 sqlite3_snprintf(nByte, pMem->z, "%!.15g", pMem->u.r); -

379

}

executed 91980 times by 1 test: end of block

Executed by:

Self test (438)

91980

380 pMem->n = sqlite3Strlen30(pMem->z); -

381 pMem->enc = SQLITE_UTF8; -

382 pMem->flags |= MEM_Str|MEM_Term; -

383

if( bForce ) pMem->flags &= ~(MEM_Int|MEM_Real);

executed 172768 times by 1 test: pMem->flags &= ~(0x0004|0x0008);

Executed by:

Self test (438)

bForce

Description

TRUE

evaluated 172768 times by 1 test

Evaluated by:

Self test (438)

FALSE

evaluated 213169 times by 434 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
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...

172768-213169

384 sqlite3VdbeChangeEncoding(pMem, enc); -

385

return SQLITE_OK;

executed 385937 times by 434 tests: return 0;

Executed by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
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Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
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...

385937

386 } -

387 -

388 /* -

389 ** Memory cell pMem contains the context of an aggregate function. -

390 ** This routine calls the finalize method for that function. The -

391 ** result of the aggregate is stored back into pMem. -

392 ** -

393 ** Return SQLITE_ERROR if the finalizer reports an error. SQLITE_OK -

394 ** otherwise. -

395 */ -

396 int sqlite3VdbeMemFinalize(Mem *pMem, FuncDef *pFunc){ -

397 sqlite3_context ctx; -

398 Mem t; -

399 assert( pFunc!=0 ); -

400 assert( pFunc->xFinalize!=0 ); -

401 assert( (pMem->flags & MEM_Null)!=0 || pFunc==pMem->u.pDef ); -

402 assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); -

403 memset(&ctx, 0, sizeof(ctx)); -

404 memset(&t, 0, sizeof(t)); -

405 t.flags = MEM_Null; -

406 t.db = pMem->db; -

407 ctx.pOut = &t; -

408 ctx.pMem = pMem; -

409 ctx.pFunc = pFunc; -

410 pFunc->xFinalize(&ctx); /* IMP: R-24505-23230 */ -

411 assert( (pMem->flags & MEM_Dyn)==0 ); -

412

if( pMem->szMalloc>0 ) sqlite3DbFreeNN(pMem->db, pMem->zMalloc);

executed 56198 times by 1 test: sqlite3DbFreeNN(pMem->db, pMem->zMalloc);

Executed by:

Self test (438)

pMem->szMalloc>0	Description
TRUE	evaluated 56198 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 2062 times by 1 test Evaluated by: Self test (438)

2062-56198

413 memcpy(pMem, &t, sizeof(t)); -

414

return ctx.isError;

executed 58260 times by 1 test: return ctx.isError;

Executed by:

Self test (438)

58260

415 } -

416 -

417 /* -

418 ** Memory cell pAccum contains the context of an aggregate function. -

419 ** This routine calls the xValue method for that function and stores -

420 ** the results in memory cell pMem. -

421 ** -

422 ** SQLITE_ERROR is returned if xValue() reports an error. SQLITE_OK -

423 ** otherwise. -

424 */ -

425 #ifndef SQLITE_OMIT_WINDOWFUNC -

426 int sqlite3VdbeMemAggValue(Mem *pAccum, Mem *pOut, FuncDef *pFunc){ -

427 sqlite3_context ctx; -

428 Mem t; -

429 assert( pFunc!=0 ); -

430 assert( pFunc->xValue!=0 ); -

431 assert( (pAccum->flags & MEM_Null)!=0 || pFunc==pAccum->u.pDef ); -

432 assert( pAccum->db==0 || sqlite3_mutex_held(pAccum->db->mutex) ); -

433 memset(&ctx, 0, sizeof(ctx)); -

434 memset(&t, 0, sizeof(t)); -

435 t.flags = MEM_Null; -

436 t.db = pAccum->db; -

437 sqlite3VdbeMemSetNull(pOut); -

438 ctx.pOut = pOut; -

439 ctx.pMem = pAccum; -

440 ctx.pFunc = pFunc; -

441 pFunc->xValue(&ctx); -

442

return ctx.isError;

executed 191503 times by 1 test: return ctx.isError;

Executed by:

Self test (438)

191503

443 } -

444 #endif /* SQLITE_OMIT_WINDOWFUNC */ -

445 -

446 /* -

447 ** If the memory cell contains a value that must be freed by -

448 ** invoking the external callback in Mem.xDel, then this routine -

449 ** will free that value. It also sets Mem.flags to MEM_Null. -

450 ** -

451 ** This is a helper routine for sqlite3VdbeMemSetNull() and -

452 ** for sqlite3VdbeMemRelease(). Use those other routines as the -

453 ** entry point for releasing Mem resources. -

454 */ -

455 static SQLITE_NOINLINE void vdbeMemClearExternAndSetNull(Mem *p){ -

456 assert( p->db==0 || sqlite3_mutex_held(p->db->mutex) ); -

457 assert( VdbeMemDynamic(p) ); -

458

if( p->flags&MEM_Agg ){

p->flags&0x2000

Description

TRUE

evaluated 13268 times by 1 test

Evaluated by:

Self test (438)

FALSE

evaluated 1354588 times by 348 tests

Evaluated by:

Self test (10)
Self test (100)
Self test (11)
Self test (12)
Self test (122)
Self test (123)
Self test (124)
Self test (125)
Self test (126)
Self test (127)
Self test (128)
Self test (129)
Self test (13)
Self test (130)
Self test (131)
Self test (132)
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Self test (137)
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Self test (139)
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...

13268-1354588

459 sqlite3VdbeMemFinalize(p, p->u.pDef); -

460 assert( (p->flags & MEM_Agg)==0 ); -

461 testcase( p->flags & MEM_Dyn ); -

462

}

executed 13268 times by 1 test: end of block

Executed by:

Self test (438)

13268

463

if( p->flags&MEM_Dyn ){

p->flags&0x0400

Description

TRUE

evaluated 1357181 times by 348 tests

Evaluated by:

Self test (10)
Self test (100)
Self test (11)
Self test (12)
Self test (122)
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Self test (124)
Self test (125)
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Self test (127)
Self test (128)
Self test (129)
Self test (13)
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Self test (131)
Self test (132)
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Self test (134)
Self test (135)
Self test (136)
Self test (137)
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Self test (14)
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...

FALSE

evaluated 10675 times by 1 test

Evaluated by:

Self test (438)

10675-1357181

464 assert( p->xDel!=SQLITE_DYNAMIC && p->xDel!=0 ); -

465 p->xDel((void *)p->z); -

466

}

executed 1357181 times by 348 tests: end of block

Executed by:

Self test (10)
Self test (100)
Self test (11)
Self test (12)
Self test (122)
Self test (123)
Self test (124)
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Self test (127)
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Self test (129)
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Self test (130)
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...

1357181

467 p->flags = MEM_Null; -

468

}

executed 1367856 times by 348 tests: end of block

Executed by:

Self test (10)
Self test (100)
Self test (11)
Self test (12)
Self test (122)
Self test (123)
Self test (124)
Self test (125)
Self test (126)
Self test (127)
Self test (128)
Self test (129)
Self test (13)
Self test (130)
Self test (131)
Self test (132)
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...

1367856

469 -

470 /* -

471 ** Release memory held by the Mem p, both external memory cleared -

472 ** by p->xDel and memory in p->zMalloc. -

473 ** -

474 ** This is a helper routine invoked by sqlite3VdbeMemRelease() in -

475 ** the unusual case where there really is memory in p that needs -

476 ** to be freed. -

477 */ -

478 static SQLITE_NOINLINE void vdbeMemClear(Mem *p){ -

479

if( VdbeMemDynamic(p) ){

(((p)->flags&(...0|0x0400))!=0)

Description

TRUE

evaluated 1350541 times by 348 tests

Evaluated by:

Self test (10)
Self test (100)
Self test (11)
Self test (12)
Self test (122)
Self test (123)
Self test (124)
Self test (125)
Self test (126)
Self test (127)
Self test (128)
Self test (129)
Self test (13)
Self test (130)
Self test (131)
Self test (132)
Self test (133)
Self test (134)
Self test (135)
Self test (136)
Self test (137)
Self test (138)
Self test (139)
Self test (14)
Self test (140)
...

FALSE

evaluated 214556 times by 22 tests

Evaluated by:

Self test (24)
Self test (26)
Self test (27)
Self test (28)
Self test (29)
Self test (30)
Self test (34)
Self test (35)
Self test (39)
Self test (438)
Self test (47)
Self test (53)
Self test (61)
Self test (65)
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Self test (67)
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Self test (81)
Self test (82)
Self test (83)

214556-1350541

480 vdbeMemClearExternAndSetNull(p); -

481

}

executed 1350541 times by 348 tests: end of block

Executed by:

Self test (10)
Self test (100)
Self test (11)
Self test (12)
Self test (122)
Self test (123)
Self test (124)
Self test (125)
Self test (126)
Self test (127)
Self test (128)
Self test (129)
Self test (13)
Self test (130)
Self test (131)
Self test (132)
Self test (133)
Self test (134)
Self test (135)
Self test (136)
Self test (137)
Self test (138)
Self test (139)
Self test (14)
Self test (140)
...

1350541

482

if( p->szMalloc ){

p->szMalloc

Description

TRUE

evaluated 217070 times by 22 tests

Evaluated by:

Self test (24)
Self test (26)
Self test (27)
Self test (28)
Self test (29)
Self test (30)
Self test (34)
Self test (35)
Self test (39)
Self test (438)
Self test (47)
Self test (53)
Self test (61)
Self test (65)
Self test (66)
Self test (67)
Self test (78)
Self test (79)
Self test (80)
Self test (81)
Self test (82)
Self test (83)

FALSE

evaluated 1348027 times by 348 tests

Evaluated by:

Self test (10)
Self test (100)
Self test (11)
Self test (12)
Self test (122)
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...

217070-1348027

483 sqlite3DbFreeNN(p->db, p->zMalloc); -

484 p->szMalloc = 0; -

485

}

executed 217070 times by 22 tests: end of block

Executed by:

Self test (24)
Self test (26)
Self test (27)
Self test (28)
Self test (29)
Self test (30)
Self test (34)
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Self test (438)
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217070

486 p->z = 0; -

487

}

executed 1565097 times by 368 tests: end of block

Executed by:

Self test (10)
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...

1565097

488 -

489 /* -

490 ** Release any memory resources held by the Mem. Both the memory that is -

491 ** free by Mem.xDel and the Mem.zMalloc allocation are freed. -

492 ** -

493 ** Use this routine prior to clean up prior to abandoning a Mem, or to -

494 ** reset a Mem back to its minimum memory utilization. -

495 ** -

496 ** Use sqlite3VdbeMemSetNull() to release just the Mem.xDel space -

497 ** prior to inserting new content into the Mem. -

498 */ -

499 void sqlite3VdbeMemRelease(Mem *p){ -

500 assert( sqlite3VdbeCheckMemInvariants(p) ); -

501

if( VdbeMemDynamic(p) || p->szMalloc ){

(((p)->flags&(...0|0x0400))!=0)

Description

TRUE

evaluated 1350541 times by 348 tests

Evaluated by:

Self test (10)
Self test (100)
Self test (11)
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Self test (122)
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Self test (124)
Self test (125)
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Self test (140)
...

FALSE

evaluated 4660966 times by 408 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
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Self test (12)
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...

p->szMalloc

Description

TRUE

evaluated 214556 times by 22 tests

Evaluated by:

Self test (24)
Self test (26)
Self test (27)
Self test (28)
Self test (29)
Self test (30)
Self test (34)
Self test (35)
Self test (39)
Self test (438)
Self test (47)
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Self test (65)
Self test (66)
Self test (67)
Self test (78)
Self test (79)
Self test (80)
Self test (81)
Self test (82)
Self test (83)

FALSE

evaluated 4446410 times by 407 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
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Self test (106)
Self test (107)
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...

214556-4660966

502 vdbeMemClear(p); -

503

}

executed 1565097 times by 368 tests: end of block

Executed by:

Self test (10)
Self test (100)
Self test (11)
Self test (12)
Self test (122)
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Self test (124)
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...

1565097

504

}

executed 6011507 times by 408 tests: end of block

Executed by:

Self test
Self test (10)
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...

6011507

505 -

506 /* -

507 ** Convert a 64-bit IEEE double into a 64-bit signed integer. -

508 ** If the double is out of range of a 64-bit signed integer then -

509 ** return the closest available 64-bit signed integer. -

510 */ -

511 static SQLITE_NOINLINE i64 doubleToInt64(double r){ -

512 #ifdef SQLITE_OMIT_FLOATING_POINT -

513 /* When floating-point is omitted, double and int64 are the same thing */ -

514 return r; -

515 #else -

516 /* -

517 ** Many compilers we encounter do not define constants for the -

518 ** minimum and maximum 64-bit integers, or they define them -

519 ** inconsistently. And many do not understand the "LL" notation. -

520 ** So we define our own static constants here using nothing -

521 ** larger than a 32-bit integer constant. -

522 */ -

523 static const i64 maxInt = LARGEST_INT64; -

524 static const i64 minInt = SMALLEST_INT64; -

525 -

526

if( r<=(double)minInt ){

r<=(double)minInt	Description
TRUE	evaluated 288 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 71853 times by 4 tests Evaluated by: Self test Self test (438) Self test (57) Self test (58)

288-71853

527

return minInt;

executed 288 times by 1 test: return minInt;

Executed by:

Self test (438)

288

528

}else if( r>=(double)maxInt ){

r>=(double)maxInt	Description
TRUE	evaluated 304 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 71549 times by 4 tests Evaluated by: Self test Self test (438) Self test (57) Self test (58)

304-71549

529

return maxInt;

executed 304 times by 1 test: return maxInt;

Executed by:

Self test (438)

304

530 }else{ -

531

return (i64)r;

executed 71549 times by 4 tests: return (i64)r;

Executed by:

Self test
Self test (438)
Self test (57)
Self test (58)

71549

532 } -

533 #endif -

534 } -

535 -

536 /* -

537 ** Return some kind of integer value which is the best we can do -

538 ** at representing the value that *pMem describes as an integer. -

539 ** If pMem is an integer, then the value is exact. If pMem is -

540 ** a floating-point then the value returned is the integer part. -

541 ** If pMem is a string or blob, then we make an attempt to convert -

542 ** it into an integer and return that. If pMem represents an -

543 ** an SQL-NULL value, return 0. -

544 ** -

545 ** If pMem represents a string value, its encoding might be changed. -

546 */ -

547 static SQLITE_NOINLINE i64 memIntValue(Mem *pMem){ -

548 i64 value = 0; -

549 sqlite3Atoi64(pMem->z, &value, pMem->n, pMem->enc); -

550

return value;

executed 13943 times by 1 test: return value;

Executed by:

Self test (438)

13943

551 } -

552 i64 sqlite3VdbeIntValue(Mem *pMem){ -

553 int flags; -

554 assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); -

555 assert( EIGHT_BYTE_ALIGNMENT(pMem) ); -

556 flags = pMem->flags; -

557

if( flags & MEM_Int ){

flags & 0x0004

Description

TRUE

evaluated 8704897 times by 420 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
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Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
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Self test (113)
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Self test (116)
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Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

FALSE

evaluated 22103 times by 1 test

Evaluated by:

Self test (438)

22103-8704897

558

return pMem->u.i;

executed 8704897 times by 420 tests: return pMem->u.i;

Executed by:

Self test
Self test (10)
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Self test (103)
Self test (104)
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...

8704897

559

}else if( flags & MEM_Real ){

flags & 0x0008	Description
TRUE	evaluated 6421 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 15682 times by 1 test Evaluated by: Self test (438)

6421-15682

560

return doubleToInt64(pMem->u.r);

executed 6421 times by 1 test: return doubleToInt64(pMem->u.r);

Executed by:

Self test (438)

6421

561

}else if( flags & (MEM_Str|MEM_Blob) ){

flags & (0x0002\|0x0010)	Description
TRUE	evaluated 13943 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 1739 times by 1 test Evaluated by: Self test (438)

1739-13943

562 assert( pMem->z || pMem->n==0 ); -

563

return memIntValue(pMem);

executed 13943 times by 1 test: return memIntValue(pMem);

Executed by:

Self test (438)

13943

564 }else{ -

565

return 0;

executed 1739 times by 1 test: return 0;

Executed by:

Self test (438)

1739

566 } -

567 } -

568 -

569 /* -

570 ** Return the best representation of pMem that we can get into a -

571 ** double. If pMem is already a double or an integer, return its -

572 ** value. If it is a string or blob, try to convert it to a double. -

573 ** If it is a NULL, return 0.0. -

574 */ -

575 static SQLITE_NOINLINE double memRealValue(Mem *pMem){ -

576 /* (double)0 In case of SQLITE_OMIT_FLOATING_POINT... */ -

577 double val = (double)0; -

578 sqlite3AtoF(pMem->z, &val, pMem->n, pMem->enc); -

579

return val;

executed 22450 times by 1 test: return val;

Executed by:

Self test (438)

22450

580 } -

581 double sqlite3VdbeRealValue(Mem *pMem){ -

582 assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); -

583 assert( EIGHT_BYTE_ALIGNMENT(pMem) ); -

584

if( pMem->flags & MEM_Real ){

pMem->flags & 0x0008	Description
TRUE	evaluated 800628 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 12303192 times by 1 test Evaluated by: Self test (438)

800628-12303192

585

return pMem->u.r;

executed 800628 times by 1 test: return pMem->u.r;

Executed by:

Self test (438)

800628

586

}else if( pMem->flags & MEM_Int ){

pMem->flags & 0x0004	Description
TRUE	evaluated 12280737 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 22455 times by 1 test Evaluated by: Self test (438)

22455-12280737

587

return (double)pMem->u.i;

executed 12280737 times by 1 test: return (double)pMem->u.i;

Executed by:

Self test (438)

12280737

588

}else if( pMem->flags & (MEM_Str|MEM_Blob) ){

pMem->flags & (0x0002\|0x0010)	Description
TRUE	evaluated 22450 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 5 times by 1 test Evaluated by: Self test (438)

5-22450

589

return memRealValue(pMem);

executed 22450 times by 1 test: return memRealValue(pMem);

Executed by:

Self test (438)

22450

590 }else{ -

591 /* (double)0 In case of SQLITE_OMIT_FLOATING_POINT... */ -

592

return (double)0;

executed 5 times by 1 test: return (double)0;

Executed by:

Self test (438)

593 } -

594 } -

595 -

596 /* -

597 ** Return 1 if pMem represents true, and return 0 if pMem represents false. -

598 ** Return the value ifNull if pMem is NULL. -

599 */ -

600 int sqlite3VdbeBooleanValue(Mem *pMem, int ifNull){ -

601

if( pMem->flags & MEM_Int ) return pMem->u.i!=0;

executed 785767 times by 29 tests: return pMem->u.i!=0;

Executed by:

Self test
Self test (100)
Self test (101)
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Self test (24)
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Self test (73)
Self test (91)
Self test (92)
Self test (93)
Self test (94)
Self test (95)
...

pMem->flags & 0x0004

Description

TRUE

evaluated 785767 times by 29 tests

Evaluated by:

Self test
Self test (100)
Self test (101)
Self test (104)
Self test (24)
Self test (26)
Self test (27)
Self test (28)
Self test (29)
Self test (32)
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Self test (72)
Self test (73)
Self test (91)
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Self test (93)
Self test (94)
Self test (95)
...

FALSE

evaluated 2431 times by 1 test

Evaluated by:

Self test (438)

2431-785767

602

if( pMem->flags & MEM_Null ) return ifNull;

executed 1603 times by 1 test: return ifNull;

Executed by:

Self test (438)

pMem->flags & 0x0001	Description
TRUE	evaluated 1603 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 828 times by 1 test Evaluated by: Self test (438)

828-1603

603

return sqlite3VdbeRealValue(pMem)!=0.0;

executed 828 times by 1 test: return sqlite3VdbeRealValue(pMem)!=0.0;

Executed by:

Self test (438)

828

604 } -

605 -

606 /* -

607 ** The MEM structure is already a MEM_Real. Try to also make it a -

608 ** MEM_Int if we can. -

609 */ -

610 void sqlite3VdbeIntegerAffinity(Mem *pMem){ -

611 i64 ix; -

612 assert( pMem->flags & MEM_Real ); -

613 assert( !sqlite3VdbeMemIsRowSet(pMem) ); -

614 assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); -

615 assert( EIGHT_BYTE_ALIGNMENT(pMem) ); -

616 -

617 ix = doubleToInt64(pMem->u.r); -

618 -

619 /* Only mark the value as an integer if -

620 ** -

621 ** (1) the round-trip conversion real->int->real is a no-op, and -

622 ** (2) The integer is neither the largest nor the smallest -

623 ** possible integer (ticket #3922) -

624 ** -

625 ** The second and third terms in the following conditional enforces -

626 ** the second condition under the assumption that addition overflow causes -

627 ** values to wrap around. -

628 */ -

629

if( pMem->u.r==ix && ix>SMALLEST_INT64 && ix<LARGEST_INT64 ){

pMem->u.r==ix	Description
TRUE	evaluated 773 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 64947 times by 4 tests Evaluated by: Self test Self test (438) Self test (57) Self test (58)

ix>(((i64)-1) ...ffffff)<<32)))	Description
TRUE	evaluated 769 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 4 times by 1 test Evaluated by: Self test (438)

ix<(0xffffffff...fffffff)<<32))	Description
TRUE	evaluated 762 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 7 times by 1 test Evaluated by: Self test (438)

4-64947

630 pMem->u.i = ix; -

631 MemSetTypeFlag(pMem, MEM_Int); -

632

}

executed 762 times by 1 test: end of block

Executed by:

Self test (438)

762

633

}

executed 65720 times by 4 tests: end of block

Executed by:

Self test
Self test (438)
Self test (57)
Self test (58)

65720

634 -

635 /* -

636 ** Convert pMem to type integer. Invalidate any prior representations. -

637 */ -

638 int sqlite3VdbeMemIntegerify(Mem *pMem){ -

639 assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); -

640 assert( !sqlite3VdbeMemIsRowSet(pMem) ); -

641 assert( EIGHT_BYTE_ALIGNMENT(pMem) ); -

642 -

643 pMem->u.i = sqlite3VdbeIntValue(pMem); -

644 MemSetTypeFlag(pMem, MEM_Int); -

645

return SQLITE_OK;

executed 2727601 times by 24 tests: return 0;

Executed by:

Self test
Self test (24)
Self test (26)
Self test (27)
Self test (28)
Self test (29)
Self test (42)
Self test (43)
Self test (438)
Self test (44)
Self test (45)
Self test (46)
Self test (47)
Self test (53)
Self test (57)
Self test (58)
Self test (65)
Self test (66)
Self test (67)
Self test (68)
Self test (69)
Self test (70)
Self test (71)
Self test (74)

2727601

646 } -

647 -

648 /* -

649 ** Convert pMem so that it is of type MEM_Real. -

650 ** Invalidate any prior representations. -

651 */ -

652 int sqlite3VdbeMemRealify(Mem *pMem){ -

653 assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); -

654 assert( EIGHT_BYTE_ALIGNMENT(pMem) ); -

655 -

656 pMem->u.r = sqlite3VdbeRealValue(pMem); -

657 MemSetTypeFlag(pMem, MEM_Real); -

658

return SQLITE_OK;

executed 284707 times by 1 test: return 0;

Executed by:

Self test (438)

284707

659 } -

660 -

661 /* Compare a floating point value to an integer. Return true if the two -

662 ** values are the same within the precision of the floating point value. -

663 ** -

664 ** For some versions of GCC on 32-bit machines, if you do the more obvious -

665 ** comparison of "r1==(double)i" you sometimes get an answer of false even -

666 ** though the r1 and (double)i values are bit-for-bit the same. -

667 */ -

668 static int sqlite3RealSameAsInt(double r1, sqlite3_int64 i){ -

669 double r2 = (double)i; -

670

return memcmp(&r1, &r2, sizeof(r1))==0;

executed 31 times by 1 test: return memcmp(&r1, &r2, sizeof(r1))==0;

Executed by:

Self test (438)

671 } -

672 -

673 /* -

674 ** Convert pMem so that it has types MEM_Real or MEM_Int or both. -

675 ** Invalidate any prior representations. -

676 ** -

677 ** Every effort is made to force the conversion, even if the input -

678 ** is a string that does not look completely like a number. Convert -

679 ** as much of the string as we can and ignore the rest. -

680 */ -

681 int sqlite3VdbeMemNumerify(Mem *pMem){ -

682

if( (pMem->flags & (MEM_Int|MEM_Real|MEM_Null))==0 ){

(pMem->flags &...08\|0x0001))==0	Description
TRUE	evaluated 58 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 28 times by 1 test Evaluated by: Self test (438)

28-58

683 int rc; -

684 assert( (pMem->flags & (MEM_Blob|MEM_Str))!=0 ); -

685 assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); -

686 rc = sqlite3Atoi64(pMem->z, &pMem->u.i, pMem->n, pMem->enc); -

687

if( rc==0 ){

rc==0	Description
TRUE	evaluated 23 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 35 times by 1 test Evaluated by: Self test (438)

23-35

688 MemSetTypeFlag(pMem, MEM_Int); -

689

}else{

executed 23 times by 1 test: end of block

Executed by:

Self test (438)

690 i64 i = pMem->u.i; -

691 sqlite3AtoF(pMem->z, &pMem->u.r, pMem->n, pMem->enc); -

692

if( rc==1 && sqlite3RealSameAsInt(pMem->u.r, i) ){

rc==1	Description
TRUE	evaluated 31 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 4 times by 1 test Evaluated by: Self test (438)

sqlite3RealSam...(pMem->u.r, i)	Description
TRUE	evaluated 25 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 6 times by 1 test Evaluated by: Self test (438)

4-31

693 pMem->u.i = i; -

694 MemSetTypeFlag(pMem, MEM_Int); -

695

}else{

executed 25 times by 1 test: end of block

Executed by:

Self test (438)

696 MemSetTypeFlag(pMem, MEM_Real); -

697

}

executed 10 times by 1 test: end of block

Executed by:

Self test (438)

698 } -

699 } -

700 assert( (pMem->flags & (MEM_Int|MEM_Real|MEM_Null))!=0 ); -

701 pMem->flags &= ~(MEM_Str|MEM_Blob|MEM_Zero); -

702

return SQLITE_OK;

executed 86 times by 1 test: return 0;

Executed by:

Self test (438)

703 } -

704 -

705 /* -

706 ** Cast the datatype of the value in pMem according to the affinity -

707 ** "aff". Casting is different from applying affinity in that a cast -

708 ** is forced. In other words, the value is converted into the desired -

709 ** affinity even if that results in loss of data. This routine is -

710 ** used (for example) to implement the SQL "cast()" operator. -

711 */ -

712 void sqlite3VdbeMemCast(Mem *pMem, u8 aff, u8 encoding){ -

713

if( pMem->flags & MEM_Null ) return;

executed 37 times by 1 test: return;

Executed by:

Self test (438)

pMem->flags & 0x0001	Description
TRUE	evaluated 37 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 196131 times by 1 test Evaluated by: Self test (438)

37-196131

714 switch( aff ){ -

715

case SQLITE_AFF_BLOB: { /* Really a cast to BLOB */

executed 57 times by 1 test: case 'A':

Executed by:

Self test (438)

716

if( (pMem->flags & MEM_Blob)==0 ){

(pMem->flags & 0x0010)==0	Description
TRUE	evaluated 54 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 3 times by 1 test Evaluated by: Self test (438)

3-54

717 sqlite3ValueApplyAffinity(pMem, SQLITE_AFF_TEXT, encoding); -

718 assert( pMem->flags & MEM_Str || pMem->db->mallocFailed ); -

719

if( pMem->flags & MEM_Str ) MemSetTypeFlag(pMem, MEM_Blob);

executed 54 times by 1 test: ((pMem)->flags = ((pMem)->flags&~(0xc1ff|0x4000))|0x0010);

Executed by:

Self test (438)

pMem->flags & 0x0002	Description
TRUE	evaluated 54 times by 1 test Evaluated by: Self test (438)
FALSE	never evaluated

0-54

720

}else{

executed 54 times by 1 test: end of block

Executed by:

Self test (438)

721 pMem->flags &= ~(MEM_TypeMask&~MEM_Blob); -

722

}

executed 3 times by 1 test: end of block

Executed by:

Self test (438)

723

break;

executed 57 times by 1 test: break;

Executed by:

Self test (438)

724 } -

725

case SQLITE_AFF_NUMERIC: {

executed 69 times by 1 test: case 'C':

Executed by:

Self test (438)

726 sqlite3VdbeMemNumerify(pMem); -

727

break;

executed 69 times by 1 test: break;

Executed by:

Self test (438)

728 } -

729

case SQLITE_AFF_INTEGER: {

executed 6177 times by 1 test: case 'D':

Executed by:

Self test (438)

6177

730 sqlite3VdbeMemIntegerify(pMem); -

731

break;

executed 6177 times by 1 test: break;

Executed by:

Self test (438)

6177

732 } -

733

case SQLITE_AFF_REAL: {

executed 44662 times by 1 test: case 'E':

Executed by:

Self test (438)

44662

734 sqlite3VdbeMemRealify(pMem); -

735

break;

executed 44662 times by 1 test: break;

Executed by:

Self test (438)

44662

736 } -

737

default: {

executed 145166 times by 1 test: default:

Executed by:

Self test (438)

145166

738 assert( aff==SQLITE_AFF_TEXT ); -

739 assert( MEM_Str==(MEM_Blob>>3) ); -

740 pMem->flags |= (pMem->flags&MEM_Blob)>>3; -

741 sqlite3ValueApplyAffinity(pMem, SQLITE_AFF_TEXT, encoding); -

742 assert( pMem->flags & MEM_Str || pMem->db->mallocFailed ); -

743 pMem->flags &= ~(MEM_Int|MEM_Real|MEM_Blob|MEM_Zero); -

744

break;

executed 145166 times by 1 test: break;

Executed by:

Self test (438)

145166

745 } -

746 } -

747 } -

748 -

749 /* -

750 ** Initialize bulk memory to be a consistent Mem object. -

751 ** -

752 ** The minimum amount of initialization feasible is performed. -

753 */ -

754 void sqlite3VdbeMemInit(Mem *pMem, sqlite3 *db, u16 flags){ -

755 assert( (flags & ~MEM_TypeMask)==0 ); -

756 pMem->flags = flags; -

757 pMem->db = db; -

758 pMem->szMalloc = 0; -

759

}

executed 3190808 times by 8 tests: end of block

Executed by:

Self test (438)
Self test (65)
Self test (66)
Self test (67)
Self test (68)
Self test (69)
Self test (70)
Self test (71)

3190808

760 -

761 -

762 /* -

763 ** Delete any previous value and set the value stored in *pMem to NULL. -

764 ** -

765 ** This routine calls the Mem.xDel destructor to dispose of values that -

766 ** require the destructor. But it preserves the Mem.zMalloc memory allocation. -

767 ** To free all resources, use sqlite3VdbeMemRelease(), which both calls this -

768 ** routine to invoke the destructor and deallocates Mem.zMalloc. -

769 ** -

770 ** Use this routine to reset the Mem prior to insert a new value. -

771 ** -

772 ** Use sqlite3VdbeMemRelease() to complete erase the Mem prior to abandoning it. -

773 */ -

774 void sqlite3VdbeMemSetNull(Mem *pMem){ -

775

if( VdbeMemDynamic(pMem) ){

(((pMem)->flag...0|0x0400))!=0)

Description

TRUE

evaluated 17279 times by 3 tests

Evaluated by:

Self test (34)
Self test (438)
Self test (64)

FALSE

evaluated 848378 times by 414 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
...

17279-848378

776 vdbeMemClearExternAndSetNull(pMem); -

777

}else{

executed 17279 times by 3 tests: end of block

Executed by:

Self test (34)
Self test (438)
Self test (64)

17279

778 pMem->flags = MEM_Null; -

779

}

executed 848378 times by 414 tests: end of block

Executed by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
...

848378

780 } -

781 void sqlite3ValueSetNull(sqlite3_value *p){ -

782 sqlite3VdbeMemSetNull((Mem*)p); -

783

}

executed 283904 times by 19 tests: end of block

Executed by:

Self test (24)
Self test (26)
Self test (27)
Self test (28)
Self test (29)
Self test (30)
Self test (34)
Self test (35)
Self test (39)
Self test (438)
Self test (47)
Self test (53)
Self test (61)
Self test (78)
Self test (79)
Self test (80)
Self test (81)
Self test (82)
Self test (83)

283904

784 -

785 /* -

786 ** Delete any previous value and set the value to be a BLOB of length -

787 ** n containing all zeros. -

788 */ -

789 void sqlite3VdbeMemSetZeroBlob(Mem *pMem, int n){ -

790 sqlite3VdbeMemRelease(pMem); -

791 pMem->flags = MEM_Blob|MEM_Zero; -

792 pMem->n = 0; -

793

if( n<0 ) n = 0;

executed 1 time by 1 test: n = 0;

Executed by:

Self test (438)

n<0	Description
TRUE	evaluated 1 time by 1 test Evaluated by: Self test (438)
FALSE	evaluated 877 times by 1 test Evaluated by: Self test (438)

1-877

794 pMem->u.nZero = n; -

795 pMem->enc = SQLITE_UTF8; -

796 pMem->z = 0; -

797

}

executed 878 times by 1 test: end of block

Executed by:

Self test (438)

878

798 -

799 /* -

800 ** The pMem is known to contain content that needs to be destroyed prior -

801 ** to a value change. So invoke the destructor, then set the value to -

802 ** a 64-bit integer. -

803 */ -

804 static SQLITE_NOINLINE void vdbeReleaseAndSetInt64(Mem *pMem, i64 val){ -

805 sqlite3VdbeMemSetNull(pMem); -

806 pMem->u.i = val; -

807 pMem->flags = MEM_Int; -

808

}

never executed: end of block

809 -

810 /* -

811 ** Delete any previous value and set the value stored in *pMem to val, -

812 ** manifest type INTEGER. -

813 */ -

814 void sqlite3VdbeMemSetInt64(Mem *pMem, i64 val){ -

815

if( VdbeMemDynamic(pMem) ){

(((pMem)->flag...0|0x0400))!=0)

Description

TRUE

never evaluated

FALSE

evaluated 4042714 times by 375 tests

Evaluated by:

Self test (10)
Self test (100)
Self test (101)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
Self test (123)
...

0-4042714

816 vdbeReleaseAndSetInt64(pMem, val); -

817

}else{

never executed: end of block

818 pMem->u.i = val; -

819 pMem->flags = MEM_Int; -

820

}

executed 4042714 times by 375 tests: end of block

Executed by:

Self test (10)
Self test (100)
Self test (101)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
Self test (123)
...

4042714

821 } -

822 -

823 /* A no-op destructor */ -

824

void sqlite3NoopDestructor(void *p){ UNUSED_PARAMETER(p); }

executed 17 times by 1 test: end of block

Executed by:

Self test (438)

825 -

826 /* -

827 ** Set the value stored in *pMem should already be a NULL. -

828 ** Also store a pointer to go with it. -

829 */ -

830 void sqlite3VdbeMemSetPointer( -

831 Mem *pMem, -

832 void *pPtr, -

833 const char *zPType, -

834 void (*xDestructor)(void*) -

835 ){ -

836 assert( pMem->flags==MEM_Null ); -

837

pMem->u.zPType = zPType ? zPType : "";

zPType	Description
TRUE	evaluated 17 times by 1 test Evaluated by: Self test (438)
FALSE	never evaluated

0-17

838 pMem->z = pPtr; -

839 pMem->flags = MEM_Null|MEM_Dyn|MEM_Subtype|MEM_Term; -

840 pMem->eSubtype = 'p'; -

841

pMem->xDel = xDestructor ? xDestructor : sqlite3NoopDestructor;

xDestructor	Description
TRUE	never evaluated
FALSE	evaluated 17 times by 1 test Evaluated by: Self test (438)

0-17

842

}

executed 17 times by 1 test: end of block

Executed by:

Self test (438)

843 -

844 #ifndef SQLITE_OMIT_FLOATING_POINT -

845 /* -

846 ** Delete any previous value and set the value stored in *pMem to val, -

847 ** manifest type REAL. -

848 */ -

849 void sqlite3VdbeMemSetDouble(Mem *pMem, double val){ -

850 sqlite3VdbeMemSetNull(pMem); -

851

if( !sqlite3IsNaN(val) ){

!sqlite3IsNaN(val)	Description
TRUE	evaluated 72930 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 28 times by 1 test Evaluated by: Self test (438)

28-72930

852 pMem->u.r = val; -

853 pMem->flags = MEM_Real; -

854

}

executed 72930 times by 1 test: end of block

Executed by:

Self test (438)

72930

855

}

executed 72958 times by 1 test: end of block

Executed by:

Self test (438)

72958

856 #endif -

857 -

858 #ifdef SQLITE_DEBUG -

859 /* -

860 ** Return true if the Mem holds a RowSet object. This routine is intended -

861 ** for use inside of assert() statements. -

862 */ -

863 int sqlite3VdbeMemIsRowSet(const Mem *pMem){ -

864 return (pMem->flags&(MEM_Blob|MEM_Dyn))==(MEM_Blob|MEM_Dyn) -

865 && pMem->xDel==sqlite3RowSetDelete; -

866 } -

867 #endif -

868 -

869 /* -

870 ** Delete any previous value and set the value of pMem to be an -

871 ** empty boolean index. -

872 ** -

873 ** Return SQLITE_OK on success and SQLITE_NOMEM if a memory allocation -

874 ** error occurs. -

875 */ -

876 int sqlite3VdbeMemSetRowSet(Mem *pMem){ -

877 sqlite3 *db = pMem->db; -

878 RowSet *p; -

879 assert( db!=0 ); -

880 assert( !sqlite3VdbeMemIsRowSet(pMem) ); -

881 sqlite3VdbeMemRelease(pMem); -

882 p = sqlite3RowSetInit(db); -

883

if( p==0 ) return SQLITE_NOMEM;

never executed: return 7;

p==0	Description
TRUE	never evaluated
FALSE	evaluated 6846 times by 1 test Evaluated by: Self test (438)

0-6846

884 pMem->z = (char*)p; -

885 pMem->flags = MEM_Blob|MEM_Dyn; -

886 pMem->xDel = sqlite3RowSetDelete; -

887

return SQLITE_OK;

executed 6846 times by 1 test: return 0;

Executed by:

Self test (438)

6846

888 } -

889 -

890 /* -

891 ** Return true if the Mem object contains a TEXT or BLOB that is -

892 ** too large - whose size exceeds SQLITE_MAX_LENGTH. -

893 */ -

894 int sqlite3VdbeMemTooBig(Mem *p){ -

895 assert( p->db!=0 ); -

896

if( p->flags & (MEM_Str|MEM_Blob) ){

p->flags & (0x0002|0x0010)

Description

TRUE

evaluated 6329429 times by 368 tests

Evaluated by:

Self test (10)
Self test (100)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
Self test (123)
Self test (124)
Self test (125)
Self test (126)
...

FALSE

evaluated 2371552 times by 1 test

Evaluated by:

Self test (438)

2371552-6329429

897 int n = p->n; -

898

if( p->flags & MEM_Zero ){

p->flags & 0x4000

Description

TRUE

evaluated 879 times by 1 test

Evaluated by:

Self test (438)

FALSE

evaluated 6328550 times by 368 tests

Evaluated by:

Self test (10)
Self test (100)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
Self test (123)
Self test (124)
Self test (125)
Self test (126)
...

879-6328550

899 n += p->u.nZero; -

900

}

executed 879 times by 1 test: end of block

Executed by:

Self test (438)

879

901

return n>p->db->aLimit[SQLITE_LIMIT_LENGTH];

executed 6329429 times by 368 tests: return n>p->db->aLimit[0];

Executed by:

Self test (10)
Self test (100)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
Self test (123)
Self test (124)
Self test (125)
Self test (126)
...

6329429

902 } -

903

return 0;

executed 2371552 times by 1 test: return 0;

Executed by:

Self test (438)

2371552

904 } -

905 -

906 #ifdef SQLITE_DEBUG -

907 /* -

908 ** This routine prepares a memory cell for modification by breaking -

909 ** its link to a shallow copy and by marking any current shallow -

910 ** copies of this cell as invalid. -

911 ** -

912 ** This is used for testing and debugging only - to make sure shallow -

913 ** copies are not misused. -

914 */ -

915 void sqlite3VdbeMemAboutToChange(Vdbe *pVdbe, Mem *pMem){ -

916 int i; -

917 Mem *pX; -

918 for(i=0, pX=pVdbe->aMem; i<pVdbe->nMem; i++, pX++){ -

919 if( pX->pScopyFrom==pMem ){ -

920 /* If pX is marked as a shallow copy of pMem, then verify that -

921 ** no significant changes have been made to pX since the OP_SCopy. -

922 ** A significant change would indicated a missed call to this -

923 ** function for pX. Minor changes, such as adding or removing a -

924 ** dual type, are allowed, as long as the underlying value is the -

925 ** same. */ -

926 u16 mFlags = pMem->flags & pX->flags & pX->mScopyFlags; -

927 assert( (mFlags&MEM_Int)==0 || pMem->u.i==pX->u.i ); -

928 assert( (mFlags&MEM_Real)==0 || pMem->u.r==pX->u.r ); -

929 assert( (mFlags&MEM_Str)==0 || (pMem->n==pX->n && pMem->z==pX->z) ); -

930 assert( (mFlags&MEM_Blob)==0 || sqlite3BlobCompare(pMem,pX)==0 ); -

931 -

932 /* pMem is the register that is changing. But also mark pX as -

933 ** undefined so that we can quickly detect the shallow-copy error */ -

934 pX->flags = MEM_Undefined; -

935 pX->pScopyFrom = 0; -

936 } -

937 } -

938 pMem->pScopyFrom = 0; -

939 } -

940 #endif /* SQLITE_DEBUG */ -

941 -

942 -

943 /* -

944 ** Make an shallow copy of pFrom into pTo. Prior contents of -

945 ** pTo are freed. The pFrom->z field is not duplicated. If -

946 ** pFrom->z is used, then pTo->z points to the same thing as pFrom->z -

947 ** and flags gets srcType (either MEM_Ephem or MEM_Static). -

948 */ -

949 static SQLITE_NOINLINE void vdbeClrCopy(Mem *pTo, const Mem *pFrom, int eType){ -

950 vdbeMemClearExternAndSetNull(pTo); -

951 assert( !VdbeMemDynamic(pTo) ); -

952 sqlite3VdbeMemShallowCopy(pTo, pFrom, eType); -

953

}

executed 1 time by 1 test: end of block

Executed by:

Self test (438)

954 void sqlite3VdbeMemShallowCopy(Mem *pTo, const Mem *pFrom, int srcType){ -

955 assert( !sqlite3VdbeMemIsRowSet(pFrom) ); -

956 assert( pTo->db==pFrom->db ); -

957

if( VdbeMemDynamic(pTo) ){ vdbeClrCopy(pTo,pFrom,srcType); return; }

executed 1 time by 1 test: return;

Executed by:

Self test (438)

(((pTo)->flags...0|0x0400))!=0)

Description

TRUE

evaluated 1 time by 1 test

Evaluated by:

Self test (438)

FALSE

evaluated 10248827 times by 387 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
...

1-10248827

958 memcpy(pTo, pFrom, MEMCELLSIZE); -

959

if( (pFrom->flags&MEM_Static)==0 ){

(pFrom->flags&0x0800)==0

Description

TRUE

evaluated 5738148 times by 386 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
...

FALSE

evaluated 4510679 times by 2 tests

Evaluated by:

Self test (438)
Self test (86)

4510679-5738148

960 pTo->flags &= ~(MEM_Dyn|MEM_Static|MEM_Ephem); -

961 assert( srcType==MEM_Ephem || srcType==MEM_Static ); -

962 pTo->flags |= srcType; -

963

}

executed 5738148 times by 386 tests: end of block

Executed by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
...

5738148

964

}

executed 10248827 times by 387 tests: end of block

Executed by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
...

10248827

965 -

966 /* -

967 ** Make a full copy of pFrom into pTo. Prior contents of pTo are -

968 ** freed before the copy is made. -

969 */ -

970 int sqlite3VdbeMemCopy(Mem *pTo, const Mem *pFrom){ -

971 int rc = SQLITE_OK; -

972 -

973 assert( !sqlite3VdbeMemIsRowSet(pFrom) ); -

974

if( VdbeMemDynamic(pTo) ) vdbeMemClearExternAndSetNull(pTo);

executed 35 times by 1 test: vdbeMemClearExternAndSetNull(pTo);

Executed by:

Self test (438)

(((pTo)->flags...0\|0x0400))!=0)	Description
TRUE	evaluated 35 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 682521 times by 1 test Evaluated by: Self test (438)

35-682521

975 memcpy(pTo, pFrom, MEMCELLSIZE); -

976 pTo->flags &= ~MEM_Dyn; -

977

if( pTo->flags&(MEM_Str|MEM_Blob) ){

pTo->flags&(0x0002\|0x0010)	Description
TRUE	evaluated 162450 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 520106 times by 1 test Evaluated by: Self test (438)

162450-520106

978

if( 0==(pFrom->flags&MEM_Static) ){

0==(pFrom->flags&0x0800)	Description
TRUE	evaluated 161377 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 1073 times by 1 test Evaluated by: Self test (438)

1073-161377

979 pTo->flags |= MEM_Ephem; -

980 rc = sqlite3VdbeMemMakeWriteable(pTo); -

981

}

executed 161377 times by 1 test: end of block

Executed by:

Self test (438)

161377

982

}

executed 162450 times by 1 test: end of block

Executed by:

Self test (438)

162450

983 -

984

return rc;

executed 682556 times by 1 test: return rc;

Executed by:

Self test (438)

682556

985 } -

986 -

987 /* -

988 ** Transfer the contents of pFrom to pTo. Any existing value in pTo is -

989 ** freed. If pFrom contains ephemeral data, a copy is made. -

990 ** -

991 ** pFrom contains an SQL NULL when this routine returns. -

992 */ -

993 void sqlite3VdbeMemMove(Mem *pTo, Mem *pFrom){ -

994 assert( pFrom->db==0 || sqlite3_mutex_held(pFrom->db->mutex) ); -

995 assert( pTo->db==0 || sqlite3_mutex_held(pTo->db->mutex) ); -

996 assert( pFrom->db==0 || pTo->db==0 || pFrom->db==pTo->db ); -

997 -

998 sqlite3VdbeMemRelease(pTo); -

999 memcpy(pTo, pFrom, sizeof(Mem)); -

1000 pFrom->flags = MEM_Null; -

1001 pFrom->szMalloc = 0; -

1002

}

executed 49642 times by 1 test: end of block

Executed by:

Self test (438)

49642

1003 -

1004 /* -

1005 ** Change the value of a Mem to be a string or a BLOB. -

1006 ** -

1007 ** The memory management strategy depends on the value of the xDel -

1008 ** parameter. If the value passed is SQLITE_TRANSIENT, then the -

1009 ** string is copied into a (possibly existing) buffer managed by the -

1010 ** Mem structure. Otherwise, any existing buffer is freed and the -

1011 ** pointer copied. -

1012 ** -

1013 ** If the string is too large (if it exceeds the SQLITE_LIMIT_LENGTH -

1014 ** size limit) then no memory allocation occurs. If the string can be -

1015 ** stored without allocating memory, then it is. If a memory allocation -

1016 ** is required to store the string, then value of pMem is unchanged. In -

1017 ** either case, SQLITE_TOOBIG is returned. -

1018 */ -

1019 int sqlite3VdbeMemSetStr( -

1020 Mem *pMem, /* Memory cell to set to string value */ -

1021 const char *z, /* String pointer */ -

1022 int n, /* Bytes in string, or negative */ -

1023 u8 enc, /* Encoding of z. 0 for BLOBs */ -

1024 void (*xDel)(void*) /* Destructor function */ -

1025 ){ -

1026 int nByte = n; /* New value for pMem->n */ -

1027 int iLimit; /* Maximum allowed string or blob size */ -

1028 u16 flags = 0; /* New value for pMem->flags */ -

1029 -

1030 assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); -

1031 assert( !sqlite3VdbeMemIsRowSet(pMem) ); -

1032 -

1033 /* If z is a NULL pointer, set pMem to contain an SQL NULL. */ -

1034

if( !z ){

Description

TRUE

evaluated 157859 times by 34 tests

Evaluated by:

Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (34)
Self test (35)
Self test (36)
Self test (37)
Self test (42)
Self test (438)
Self test (44)
Self test (46)
Self test (47)
Self test (48)
Self test (49)
Self test (50)
Self test (51)
Self test (52)
Self test (53)
Self test (59)
Self test (60)
Self test (62)
Self test (63)
Self test (72)
Self test (73)
...

FALSE

evaluated 2906338 times by 436 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

157859-2906338

1035 sqlite3VdbeMemSetNull(pMem); -

1036

return SQLITE_OK;

executed 157859 times by 34 tests: return 0;

Executed by:

Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (34)
Self test (35)
Self test (36)
Self test (37)
Self test (42)
Self test (438)
Self test (44)
Self test (46)
Self test (47)
Self test (48)
Self test (49)
Self test (50)
Self test (51)
Self test (52)
Self test (53)
Self test (59)
Self test (60)
Self test (62)
Self test (63)
Self test (72)
Self test (73)
...

157859

1037 } -

1038 -

1039

if( pMem->db ){

pMem->db

Description

TRUE

evaluated 2906082 times by 436 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

FALSE

evaluated 256 times by 1 test

Evaluated by:

Self test (438)

256-2906082

1040 iLimit = pMem->db->aLimit[SQLITE_LIMIT_LENGTH]; -

1041

}else{

executed 2906082 times by 436 tests: end of block

Executed by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

2906082

1042 iLimit = SQLITE_MAX_LENGTH; -

1043

}

executed 256 times by 1 test: end of block

Executed by:

Self test (438)

256

1044

flags = (enc==0?MEM_Blob:MEM_Str);

enc==0

Description

TRUE

evaluated 1361751 times by 380 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (104)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
Self test (123)
...

FALSE

evaluated 1544587 times by 436 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

1361751-1544587

1045

if( nByte<0 ){

nByte<0

Description

TRUE

evaluated 763106 times by 436 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

FALSE

evaluated 2143232 times by 382 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (104)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
Self test (123)
...

763106-2143232

1046 assert( enc!=0 ); -

1047

if( enc==SQLITE_UTF8 ){

enc==1

Description

TRUE

evaluated 761241 times by 436 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

FALSE

evaluated 1865 times by 1 test

Evaluated by:

Self test (438)

1865-761241

1048 nByte = 0x7fffffff & (int)strlen(z); -

1049

if( nByte>iLimit ) nByte = iLimit+1;

never executed: nByte = iLimit+1;

nByte>iLimit

Description

TRUE

never evaluated

FALSE

evaluated 761241 times by 436 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

0-761241

1050

}else{

executed 761241 times by 436 tests: end of block

Executed by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

761241

1051

for(nByte=0; nByte<=iLimit && (z[nByte] | z[nByte+1]); nByte+=2){}

executed 102993 times by 1 test: end of block

Executed by:

Self test (438)

nByte<=iLimit	Description
TRUE	evaluated 104858 times by 1 test Evaluated by: Self test (438)
FALSE	never evaluated

(z[nByte] \| z[nByte+1])	Description
TRUE	evaluated 102993 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 1865 times by 1 test Evaluated by: Self test (438)

0-104858

1052

}

executed 1865 times by 1 test: end of block

Executed by:

Self test (438)

1865

1053 flags |= MEM_Term; -

1054

}

executed 763106 times by 436 tests: end of block

Executed by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

763106

1055 -

1056 /* The following block sets the new values of Mem.z and Mem.xDel. It -

1057 ** also sets a flag in local variable "flags" to indicate the memory -

1058 ** management (one of MEM_Dyn or MEM_Static). -

1059 */ -

1060

if( xDel==SQLITE_TRANSIENT ){

xDel==((sqlite...uctor_type)-1)

Description

TRUE

evaluated 1203433 times by 435 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

FALSE

evaluated 1702905 times by 407 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

1203433-1702905

1061 int nAlloc = nByte; -

1062

if( flags&MEM_Term ){

flags&0x0200

Description

TRUE

evaluated 516027 times by 435 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

FALSE

evaluated 687406 times by 5 tests

Evaluated by:

Self test (2)
Self test (3)
Self test (32)
Self test (33)
Self test (438)

516027-687406

1063

nAlloc += (enc==SQLITE_UTF8?1:2);

enc==1

Description

TRUE

evaluated 516012 times by 435 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

FALSE

evaluated 15 times by 1 test

Evaluated by:

Self test (438)

15-516012

1064

}

executed 516027 times by 435 tests: end of block

Executed by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

516027

1065

if( nByte>iLimit ){

nByte>iLimit

Description

TRUE

never evaluated

FALSE

evaluated 1203433 times by 435 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

0-1203433

1066

return SQLITE_TOOBIG;

never executed: return 18;

1067 } -

1068 testcase( nAlloc==0 ); -

1069 testcase( nAlloc==31 ); -

1070 testcase( nAlloc==32 ); -

1071

if( sqlite3VdbeMemClearAndResize(pMem, MAX(nAlloc,32)) ){

sqlite3VdbeMem...nAlloc):(32)))

Description

TRUE

evaluated 124 times by 1 test

Evaluated by:

Self test (438)

FALSE

evaluated 1203309 times by 435 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

124-1203309

1072

return SQLITE_NOMEM_BKPT;

executed 124 times by 1 test: return 7;

Executed by:

Self test (438)

124

1073 } -

1074 memcpy(pMem->z, z, nAlloc); -

1075

}else if( xDel==SQLITE_DYNAMIC ){

executed 1203309 times by 435 tests: end of block

Executed by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

xDel==((sqlite...te3MallocSize)

Description

TRUE

evaluated 128995 times by 16 tests

Evaluated by:

Self test (103)
Self test (104)
Self test (26)
Self test (27)
Self test (29)
Self test (34)
Self test (39)
Self test (438)
Self test (47)
Self test (61)
Self test (78)
Self test (79)
Self test (80)
Self test (81)
Self test (82)
Self test (83)

FALSE

evaluated 1573910 times by 399 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
...

128995-1573910

1076 sqlite3VdbeMemRelease(pMem); -

1077 pMem->zMalloc = pMem->z = (char *)z; -

1078 pMem->szMalloc = sqlite3DbMallocSize(pMem->db, pMem->zMalloc); -

1079

}else{

executed 128995 times by 16 tests: end of block

Executed by:

Self test (103)
Self test (104)
Self test (26)
Self test (27)
Self test (29)
Self test (34)
Self test (39)
Self test (438)
Self test (47)
Self test (61)
Self test (78)
Self test (79)
Self test (80)
Self test (81)
Self test (82)
Self test (83)

128995

1080 sqlite3VdbeMemRelease(pMem); -

1081 pMem->z = (char *)z; -

1082 pMem->xDel = xDel; -

1083

flags |= ((xDel==SQLITE_STATIC)?MEM_Static:MEM_Dyn);

(xDel==((sqlit...uctor_type)0))

Description

TRUE

evaluated 225409 times by 48 tests

Evaluated by:

Self test
Self test (100)
Self test (101)
Self test (104)
Self test (105)
Self test (24)
Self test (26)
Self test (27)
Self test (28)
Self test (29)
Self test (3)
Self test (32)
Self test (33)
Self test (34)
Self test (35)
Self test (39)
Self test (43)
Self test (438)
Self test (45)
Self test (47)
Self test (48)
Self test (53)
Self test (57)
Self test (58)
Self test (64)
...

FALSE

evaluated 1348501 times by 364 tests

Evaluated by:

Self test (10)
Self test (100)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
Self test (123)
Self test (124)
Self test (125)
Self test (126)
...

225409-1348501

1084

}

executed 1573910 times by 399 tests: end of block

Executed by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
...

1573910

1085 -

1086 pMem->n = nByte; -

1087 pMem->flags = flags; -

1088

pMem->enc = (enc==0 ? SQLITE_UTF8 : enc);

enc==0

Description

TRUE

evaluated 1361751 times by 380 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (104)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
Self test (123)
...

FALSE

evaluated 1544463 times by 436 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

1361751-1544463

1089 -

1090 #ifndef SQLITE_OMIT_UTF16 -

1091

if( pMem->enc!=SQLITE_UTF8 && sqlite3VdbeMemHandleBom(pMem) ){

pMem->enc!=1

Description

TRUE

evaluated 2511 times by 1 test

Evaluated by:

Self test (438)

FALSE

evaluated 2903703 times by 436 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

sqlite3VdbeMemHandleBom(pMem)	Description
TRUE	never evaluated
FALSE	evaluated 2511 times by 1 test Evaluated by: Self test (438)

0-2903703

1092

return SQLITE_NOMEM_BKPT;

never executed: return 7;

1093 } -

1094 #endif -

1095 -

1096

if( nByte>iLimit ){

nByte>iLimit

Description

TRUE

never evaluated

FALSE

evaluated 2906214 times by 436 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

0-2906214

1097

return SQLITE_TOOBIG;

never executed: return 18;

1098 } -

1099 -

1100

return SQLITE_OK;

executed 2906214 times by 436 tests: return 0;

Executed by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

2906214

1101 } -

1102 -

1103 /* -

1104 ** Move data out of a btree key or data field and into a Mem structure. -

1105 ** The data is payload from the entry that pCur is currently pointing -

1106 ** to. offset and amt determine what portion of the data or key to retrieve. -

1107 ** The result is written into the pMem element. -

1108 ** -

1109 ** The pMem object must have been initialized. This routine will use -

1110 ** pMem->zMalloc to hold the content from the btree, if possible. New -

1111 ** pMem->zMalloc space will be allocated if necessary. The calling routine -

1112 ** is responsible for making sure that the pMem object is eventually -

1113 ** destroyed. -

1114 ** -

1115 ** If this routine fails for any reason (malloc returns NULL or unable -

1116 ** to read from the disk) then the pMem is left in an inconsistent state. -

1117 */ -

1118 static SQLITE_NOINLINE int vdbeMemFromBtreeResize( -

1119 BtCursor *pCur, /* Cursor pointing at record to retrieve. */ -

1120 u32 offset, /* Offset from the start of data to return bytes from. */ -

1121 u32 amt, /* Number of bytes to return. */ -

1122 Mem *pMem /* OUT: Return data in this Mem structure. */ -

1123 ){ -

1124 int rc; -

1125 pMem->flags = MEM_Null; -

1126

if( SQLITE_OK==(rc = sqlite3VdbeMemClearAndResize(pMem, amt+1)) ){

0==(rc = sqlit...(pMem, amt+1))	Description
TRUE	evaluated 496729 times by 9 tests Evaluated by: Self test (101) Self test (2) Self test (3) Self test (32) Self test (33) Self test (438) Self test (65) Self test (66) Self test (67)
FALSE	never evaluated

0-496729

1127 rc = sqlite3BtreePayload(pCur, offset, amt, pMem->z); -

1128

if( rc==SQLITE_OK ){

rc==0	Description
TRUE	evaluated 496724 times by 9 tests Evaluated by: Self test (101) Self test (2) Self test (3) Self test (32) Self test (33) Self test (438) Self test (65) Self test (66) Self test (67)
FALSE	evaluated 5 times by 1 test Evaluated by: Self test (438)

5-496724

1129 pMem->z[amt] = 0; /* Overrun area used when reading malformed records */ -

1130 pMem->flags = MEM_Blob; -

1131 pMem->n = (int)amt; -

1132

}else{

executed 496724 times by 9 tests: end of block

Executed by:

Self test (101)
Self test (2)
Self test (3)
Self test (32)
Self test (33)
Self test (438)
Self test (65)
Self test (66)
Self test (67)

496724

1133 sqlite3VdbeMemRelease(pMem); -

1134

}

executed 5 times by 1 test: end of block

Executed by:

Self test (438)

1135 } -

1136

return rc;

executed 496729 times by 9 tests: return rc;

Executed by:

Self test (101)
Self test (2)
Self test (3)
Self test (32)
Self test (33)
Self test (438)
Self test (65)
Self test (66)
Self test (67)

496729

1137 } -

1138 int sqlite3VdbeMemFromBtree( -

1139 BtCursor *pCur, /* Cursor pointing at record to retrieve. */ -

1140 u32 offset, /* Offset from the start of data to return bytes from. */ -

1141 u32 amt, /* Number of bytes to return. */ -

1142 Mem *pMem /* OUT: Return data in this Mem structure. */ -

1143 ){ -

1144 char *zData; /* Data from the btree layer */ -

1145 u32 available = 0; /* Number of bytes available on the local btree page */ -

1146 int rc = SQLITE_OK; /* Return code */ -

1147 -

1148 assert( sqlite3BtreeCursorIsValid(pCur) ); -

1149 assert( !VdbeMemDynamic(pMem) ); -

1150 -

1151 /* Note: the calls to BtreeKeyFetch() and DataFetch() below assert() -

1152 ** that both the BtShared and database handle mutexes are held. */ -

1153 assert( !sqlite3VdbeMemIsRowSet(pMem) ); -

1154 zData = (char *)sqlite3BtreePayloadFetch(pCur, &available); -

1155 assert( zData!=0 ); -

1156 -

1157

if( offset+amt<=available ){

offset+amt<=available	Description
TRUE	evaluated 4702149 times by 5 tests Evaluated by: Self test (438) Self test (68) Self test (69) Self test (70) Self test (71)
FALSE	evaluated 496729 times by 9 tests Evaluated by: Self test (101) Self test (2) Self test (3) Self test (32) Self test (33) Self test (438) Self test (65) Self test (66) Self test (67)

496729-4702149

1158 pMem->z = &zData[offset]; -

1159 pMem->flags = MEM_Blob|MEM_Ephem; -

1160 pMem->n = (int)amt; -

1161

}else{

executed 4702149 times by 5 tests: end of block

Executed by:

Self test (438)
Self test (68)
Self test (69)
Self test (70)
Self test (71)

4702149

1162 rc = vdbeMemFromBtreeResize(pCur, offset, amt, pMem); -

1163

}

executed 496729 times by 9 tests: end of block

Executed by:

Self test (101)
Self test (2)
Self test (3)
Self test (32)
Self test (33)
Self test (438)
Self test (65)
Self test (66)
Self test (67)

496729

1164 -

1165

return rc;

executed 5198878 times by 13 tests: return rc;

Executed by:

Self test (101)
Self test (2)
Self test (3)
Self test (32)
Self test (33)
Self test (438)
Self test (65)
Self test (66)
Self test (67)
Self test (68)
Self test (69)
Self test (70)
Self test (71)

5198878

1166 } -

1167 -

1168 /* -

1169 ** The pVal argument is known to be a value other than NULL. -

1170 ** Convert it into a string with encoding enc and return a pointer -

1171 ** to a zero-terminated version of that string. -

1172 */ -

1173 static SQLITE_NOINLINE const void *valueToText(sqlite3_value* pVal, u8 enc){ -

1174 assert( pVal!=0 ); -

1175 assert( pVal->db==0 || sqlite3_mutex_held(pVal->db->mutex) ); -

1176 assert( (enc&3)==(enc&~SQLITE_UTF16_ALIGNED) ); -

1177 assert( !sqlite3VdbeMemIsRowSet(pVal) ); -

1178 assert( (pVal->flags & (MEM_Null))==0 ); -

1179

if( pVal->flags & (MEM_Blob|MEM_Str) ){

pVal->flags & (0x0010|0x0002)

Description

TRUE

evaluated 22246 times by 1 test

Evaluated by:

Self test (438)

FALSE

evaluated 144258 times by 434 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

22246-144258

1180

if( ExpandBlob(pVal) ) return 0;

never executed: return 0;

(((pVal)->flag...dBlob(pVal):0)	Description
TRUE	never evaluated
FALSE	evaluated 22246 times by 1 test Evaluated by: Self test (438)

((pVal)->flags&0x4000)	Description
TRUE	never evaluated
FALSE	evaluated 22246 times by 1 test Evaluated by: Self test (438)

0-22246

1181 pVal->flags |= MEM_Str; -

1182

if( pVal->enc != (enc & ~SQLITE_UTF16_ALIGNED) ){

pVal->enc != (enc & ~8)	Description
TRUE	evaluated 1021 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 21225 times by 1 test Evaluated by: Self test (438)

1021-21225

1183 sqlite3VdbeChangeEncoding(pVal, enc & ~SQLITE_UTF16_ALIGNED); -

1184

}

executed 1021 times by 1 test: end of block

Executed by:

Self test (438)

1021

1185

if( (enc & SQLITE_UTF16_ALIGNED)!=0 && 1==(1&SQLITE_PTR_TO_INT(pVal->z)) ){

(enc & 8)!=0	Description
TRUE	evaluated 1062 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 21184 times by 1 test Evaluated by: Self test (438)

1==(1&((int)(l...nt)(pVal->z)))	Description
TRUE	evaluated 416 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 646 times by 1 test Evaluated by: Self test (438)

416-21184

1186 assert( (pVal->flags & (MEM_Ephem|MEM_Static))!=0 ); -

1187

if( sqlite3VdbeMemMakeWriteable(pVal)!=SQLITE_OK ){

sqlite3VdbeMem...eable(pVal)!=0	Description
TRUE	never evaluated
FALSE	evaluated 416 times by 1 test Evaluated by: Self test (438)

0-416

1188

return 0;

never executed: return 0;

1189 } -

1190

}

executed 416 times by 1 test: end of block

Executed by:

Self test (438)

416

1191 sqlite3VdbeMemNulTerminate(pVal); /* IMP: R-31275-44060 */ -

1192

}else{

executed 22246 times by 1 test: end of block

Executed by:

Self test (438)

22246

1193 sqlite3VdbeMemStringify(pVal, enc, 0); -

1194 assert( 0==(1&SQLITE_PTR_TO_INT(pVal->z)) ); -

1195

}

executed 144258 times by 434 tests: end of block

Executed by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

144258

1196 assert(pVal->enc==(enc & ~SQLITE_UTF16_ALIGNED) || pVal->db==0 -

1197 || pVal->db->mallocFailed ); -

1198

if( pVal->enc==(enc & ~SQLITE_UTF16_ALIGNED) ){

pVal->enc==(enc & ~8)

Description

TRUE

evaluated 166487 times by 434 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

FALSE

evaluated 17 times by 1 test

Evaluated by:

Self test (438)

17-166487

1199 assert( sqlite3VdbeMemConsistentDualRep(pVal) ); -

1200

return pVal->z;

executed 166487 times by 434 tests: return pVal->z;

Executed by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

166487

1201 }else{ -

1202

return 0;

executed 17 times by 1 test: return 0;

Executed by:

Self test (438)

1203 } -

1204 } -

1205 -

1206 /* This function is only available internally, it is not part of the -

1207 ** external API. It works in a similar way to sqlite3_value_text(), -

1208 ** except the data returned is in the encoding specified by the second -

1209 ** parameter, which must be one of SQLITE_UTF16BE, SQLITE_UTF16LE or -

1210 ** SQLITE_UTF8. -

1211 ** -

1212 ** (2006-02-16:) The enc value can be or-ed with SQLITE_UTF16_ALIGNED. -

1213 ** If that is the case, then the result must be aligned on an even byte -

1214 ** boundary. -

1215 */ -

1216 const void *sqlite3ValueText(sqlite3_value* pVal, u8 enc){ -

1217

if( !pVal ) return 0;

executed 2915 times by 10 tests: return 0;

Executed by:

Self test (30)
Self test (35)
Self test (36)
Self test (38)
Self test (438)
Self test (50)
Self test (51)
Self test (52)
Self test (55)
Self test (59)

!pVal

Description

TRUE

evaluated 2915 times by 10 tests

Evaluated by:

Self test (30)
Self test (35)
Self test (36)
Self test (38)
Self test (438)
Self test (50)
Self test (51)
Self test (52)
Self test (55)
Self test (59)

FALSE

evaluated 3951312 times by 436 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

2915-3951312

1218 assert( pVal->db==0 || sqlite3_mutex_held(pVal->db->mutex) ); -

1219 assert( (enc&3)==(enc&~SQLITE_UTF16_ALIGNED) ); -

1220 assert( !sqlite3VdbeMemIsRowSet(pVal) ); -

1221

if( (pVal->flags&(MEM_Str|MEM_Term))==(MEM_Str|MEM_Term) && pVal->enc==enc ){

(pVal->flags&(...0x0002|0x0200)

Description

TRUE

evaluated 3768816 times by 436 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

FALSE

evaluated 182496 times by 434 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

pVal->enc==enc

Description

TRUE

evaluated 3767729 times by 436 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

FALSE

evaluated 1087 times by 1 test

Evaluated by:

Self test (438)

1087-3768816

1222 assert( sqlite3VdbeMemConsistentDualRep(pVal) ); -

1223

return pVal->z;

executed 3767729 times by 436 tests: return pVal->z;

Executed by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

3767729

1224 } -

1225

if( pVal->flags&MEM_Null ){

pVal->flags&0x0001

Description

TRUE

evaluated 17245 times by 376 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
Self test (123)
Self test (124)
Self test (125)
...

FALSE

evaluated 166338 times by 434 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

17245-166338

1226

return 0;

executed 17245 times by 376 tests: return 0;

Executed by:

Self test
Self test (10)
Self test (100)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
Self test (122)
Self test (123)
Self test (124)
Self test (125)
...

17245

1227 } -

1228

return valueToText(pVal, enc);

executed 166338 times by 434 tests: return valueToText(pVal, enc);

Executed by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

166338

1229 } -

1230 -

1231 /* -

1232 ** Create a new sqlite3_value object. -

1233 */ -

1234 sqlite3_value *sqlite3ValueNew(sqlite3 *db){ -

1235 Mem *p = sqlite3DbMallocZero(db, sizeof(*p)); -

1236

if( p ){

p	Description
TRUE	evaluated 2854 times by 19 tests Evaluated by: Self test (24) Self test (26) Self test (27) Self test (28) Self test (29) Self test (30) Self test (34) Self test (35) Self test (39) Self test (438) Self test (47) Self test (53) Self test (61) Self test (78) Self test (79) Self test (80) Self test (81) Self test (82) Self test (83)
FALSE	evaluated 126 times by 1 test Evaluated by: Self test (438)

126-2854

1237 p->flags = MEM_Null; -

1238 p->db = db; -

1239

}

executed 2854 times by 19 tests: end of block

Executed by:

Self test (24)
Self test (26)
Self test (27)
Self test (28)
Self test (29)
Self test (30)
Self test (34)
Self test (35)
Self test (39)
Self test (438)
Self test (47)
Self test (53)
Self test (61)
Self test (78)
Self test (79)
Self test (80)
Self test (81)
Self test (82)
Self test (83)

2854

1240

return p;

executed 2980 times by 19 tests: return p;

Executed by:

Self test (24)
Self test (26)
Self test (27)
Self test (28)
Self test (29)
Self test (30)
Self test (34)
Self test (35)
Self test (39)
Self test (438)
Self test (47)
Self test (53)
Self test (61)
Self test (78)
Self test (79)
Self test (80)
Self test (81)
Self test (82)
Self test (83)

2980

1241 } -

1242 -

1243 /* -

1244 ** Context object passed by sqlite3Stat4ProbeSetValue() through to -

1245 ** valueNew(). See comments above valueNew() for details. -

1246 */ -

1247 struct ValueNewStat4Ctx { -

1248 Parse *pParse; -

1249 Index *pIdx; -

1250 UnpackedRecord **ppRec; -

1251 int iVal; -

1252 }; -

1253 -

1254 /* -

1255 ** Allocate and return a pointer to a new sqlite3_value object. If -

1256 ** the second argument to this function is NULL, the object is allocated -

1257 ** by calling sqlite3ValueNew(). -

1258 ** -

1259 ** Otherwise, if the second argument is non-zero, then this function is -

1260 ** being called indirectly by sqlite3Stat4ProbeSetValue(). If it has not -

1261 ** already been allocated, allocate the UnpackedRecord structure that -

1262 ** that function will return to its caller here. Then return a pointer to -

1263 ** an sqlite3_value within the UnpackedRecord.a[] array. -

1264 */ -

1265 static sqlite3_value *valueNew(sqlite3 *db, struct ValueNewStat4Ctx *p){ -

1266 #ifdef SQLITE_ENABLE_STAT3_OR_STAT4 -

1267 if( p ){ -

1268 UnpackedRecord *pRec = p->ppRec[0]; -

1269 -

1270 if( pRec==0 ){ -

1271 Index *pIdx = p->pIdx; /* Index being probed */ -

1272 int nByte; /* Bytes of space to allocate */ -

1273 int i; /* Counter variable */ -

1274 int nCol = pIdx->nColumn; /* Number of index columns including rowid */ -

1275 -

1276 nByte = sizeof(Mem) * nCol + ROUND8(sizeof(UnpackedRecord)); -

1277 pRec = (UnpackedRecord*)sqlite3DbMallocZero(db, nByte); -

1278 if( pRec ){ -

1279 pRec->pKeyInfo = sqlite3KeyInfoOfIndex(p->pParse, pIdx); -

1280 if( pRec->pKeyInfo ){ -

1281 assert( pRec->pKeyInfo->nAllField==nCol ); -

1282 assert( pRec->pKeyInfo->enc==ENC(db) ); -

1283 pRec->aMem = (Mem *)((u8*)pRec + ROUND8(sizeof(UnpackedRecord))); -

1284 for(i=0; i<nCol; i++){ -

1285 pRec->aMem[i].flags = MEM_Null; -

1286 pRec->aMem[i].db = db; -

1287 } -

1288 }else{ -

1289 sqlite3DbFreeNN(db, pRec); -

1290 pRec = 0; -

1291 } -

1292 } -

1293 if( pRec==0 ) return 0; -

1294 p->ppRec[0] = pRec; -

1295 } -

1296 -

1297 pRec->nField = p->iVal+1; -

1298 return &pRec->aMem[p->iVal]; -

1299 } -

1300 #else -

1301 UNUSED_PARAMETER(p); -

1302 #endif /* defined(SQLITE_ENABLE_STAT3_OR_STAT4) */ -

1303

return sqlite3ValueNew(db);

executed 678 times by 1 test: return sqlite3ValueNew(db);

Executed by:

Self test (438)

678

1304 } -

1305 -

1306 /* -

1307 ** The expression object indicated by the second argument is guaranteed -

1308 ** to be a scalar SQL function. If -

1309 ** -

1310 ** * all function arguments are SQL literals, -

1311 ** * one of the SQLITE_FUNC_CONSTANT or _SLOCHNG function flags is set, and -

1312 ** * the SQLITE_FUNC_NEEDCOLL function flag is not set, -

1313 ** -

1314 ** then this routine attempts to invoke the SQL function. Assuming no -

1315 ** error occurs, output parameter (*ppVal) is set to point to a value -

1316 ** object containing the result before returning SQLITE_OK. -

1317 ** -

1318 ** Affinity aff is applied to the result of the function before returning. -

1319 ** If the result is a text value, the sqlite3_value object uses encoding -

1320 ** enc. -

1321 ** -

1322 ** If the conditions above are not met, this function returns SQLITE_OK -

1323 ** and sets (*ppVal) to NULL. Or, if an error occurs, (*ppVal) is set to -

1324 ** NULL and an SQLite error code returned. -

1325 */ -

1326 #ifdef SQLITE_ENABLE_STAT3_OR_STAT4 -

1327 static int valueFromFunction( -

1328 sqlite3 *db, /* The database connection */ -

1329 Expr *p, /* The expression to evaluate */ -

1330 u8 enc, /* Encoding to use */ -

1331 u8 aff, /* Affinity to use */ -

1332 sqlite3_value **ppVal, /* Write the new value here */ -

1333 struct ValueNewStat4Ctx *pCtx /* Second argument for valueNew() */ -

1334 ){ -

1335 sqlite3_context ctx; /* Context object for function invocation */ -

1336 sqlite3_value **apVal = 0; /* Function arguments */ -

1337 int nVal = 0; /* Size of apVal[] array */ -

1338 FuncDef *pFunc = 0; /* Function definition */ -

1339 sqlite3_value *pVal = 0; /* New value */ -

1340 int rc = SQLITE_OK; /* Return code */ -

1341 ExprList *pList = 0; /* Function arguments */ -

1342 int i; /* Iterator variable */ -

1343 -

1344 assert( pCtx!=0 ); -

1345 assert( (p->flags & EP_TokenOnly)==0 ); -

1346 pList = p->x.pList; -

1347 if( pList ) nVal = pList->nExpr; -

1348 pFunc = sqlite3FindFunction(db, p->u.zToken, nVal, enc, 0); -

1349 assert( pFunc ); -

1350 if( (pFunc->funcFlags & (SQLITE_FUNC_CONSTANT|SQLITE_FUNC_SLOCHNG))==0 -

1351 || (pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL) -

1352 ){ -

1353 return SQLITE_OK; -

1354 } -

1355 -

1356 if( pList ){ -

1357 apVal = (sqlite3_value**)sqlite3DbMallocZero(db, sizeof(apVal[0]) * nVal); -

1358 if( apVal==0 ){ -

1359 rc = SQLITE_NOMEM_BKPT; -

1360 goto value_from_function_out; -

1361 } -

1362 for(i=0; i<nVal; i++){ -

1363 rc = sqlite3ValueFromExpr(db, pList->a[i].pExpr, enc, aff, &apVal[i]); -

1364 if( apVal[i]==0 || rc!=SQLITE_OK ) goto value_from_function_out; -

1365 } -

1366 } -

1367 -

1368 pVal = valueNew(db, pCtx); -

1369 if( pVal==0 ){ -

1370 rc = SQLITE_NOMEM_BKPT; -

1371 goto value_from_function_out; -

1372 } -

1373 -

1374 assert( pCtx->pParse->rc==SQLITE_OK ); -

1375 memset(&ctx, 0, sizeof(ctx)); -

1376 ctx.pOut = pVal; -

1377 ctx.pFunc = pFunc; -

1378 pFunc->xSFunc(&ctx, nVal, apVal); -

1379 if( ctx.isError ){ -

1380 rc = ctx.isError; -

1381 sqlite3ErrorMsg(pCtx->pParse, "%s", sqlite3_value_text(pVal)); -

1382 }else{ -

1383 sqlite3ValueApplyAffinity(pVal, aff, SQLITE_UTF8); -

1384 assert( rc==SQLITE_OK ); -

1385 rc = sqlite3VdbeChangeEncoding(pVal, enc); -

1386 if( rc==SQLITE_OK && sqlite3VdbeMemTooBig(pVal) ){ -

1387 rc = SQLITE_TOOBIG; -

1388 pCtx->pParse->nErr++; -

1389 } -

1390 } -

1391 pCtx->pParse->rc = rc; -

1392 -

1393 value_from_function_out: -

1394 if( rc!=SQLITE_OK ){ -

1395 pVal = 0; -

1396 } -

1397 if( apVal ){ -

1398 for(i=0; i<nVal; i++){ -

1399 sqlite3ValueFree(apVal[i]); -

1400 } -

1401 sqlite3DbFreeNN(db, apVal); -

1402 } -

1403 -

1404 *ppVal = pVal; -

1405 return rc; -

1406 } -

1407 #else -

1408 # define valueFromFunction(a,b,c,d,e,f) SQLITE_OK -

1409 #endif /* defined(SQLITE_ENABLE_STAT3_OR_STAT4) */ -

1410 -

1411 /* -

1412 ** Extract a value from the supplied expression in the manner described -

1413 ** above sqlite3ValueFromExpr(). Allocate the sqlite3_value object -

1414 ** using valueNew(). -

1415 ** -

1416 ** If pCtx is NULL and an error occurs after the sqlite3_value object -

1417 ** has been allocated, it is freed before returning. Or, if pCtx is not -

1418 ** NULL, it is assumed that the caller will free any allocated object -

1419 ** in all cases. -

1420 */ -

1421 static int valueFromExpr( -

1422 sqlite3 *db, /* The database connection */ -

1423 Expr *pExpr, /* The expression to evaluate */ -

1424 u8 enc, /* Encoding to use */ -

1425 u8 affinity, /* Affinity to use */ -

1426 sqlite3_value **ppVal, /* Write the new value here */ -

1427 struct ValueNewStat4Ctx *pCtx /* Second argument for valueNew() */ -

1428 ){ -

1429 int op; -

1430 char *zVal = 0; -

1431 sqlite3_value *pVal = 0; -

1432 int negInt = 1; -

1433 const char *zNeg = ""; -

1434 int rc = SQLITE_OK; -

1435 -

1436 assert( pExpr!=0 ); -

1437

while( (op = pExpr->op)==TK_UPLUS || op==TK_SPAN ) pExpr = pExpr->pLeft;

executed 672 times by 1 test: pExpr = pExpr->pLeft;

Executed by:

Self test (438)

(op = pExpr->op)==162	Description
TRUE	never evaluated
FALSE	evaluated 1401 times by 1 test Evaluated by: Self test (438)

op==169	Description
TRUE	evaluated 672 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 729 times by 1 test Evaluated by: Self test (438)

0-1401

1438 #if defined(SQLITE_ENABLE_STAT3_OR_STAT4) -

1439 if( op==TK_REGISTER ) op = pExpr->op2; -

1440 #else -

1441

if( NEVER(op==TK_REGISTER) ) op = pExpr->op2;

never executed: op = pExpr->op2;

(op==164)	Description
TRUE	never evaluated
FALSE	evaluated 729 times by 1 test Evaluated by: Self test (438)

0-729

1442 #endif -

1443 -

1444 /* Compressed expressions only appear when parsing the DEFAULT clause -

1445 ** on a table column definition, and hence only when pCtx==0. This -

1446 ** check ensures that an EP_TokenOnly expression is never passed down -

1447 ** into valueFromFunction(). */ -

1448 assert( (pExpr->flags & EP_TokenOnly)==0 || pCtx==0 ); -

1449 -

1450

if( op==TK_CAST ){

op==36	Description
TRUE	never evaluated
FALSE	evaluated 729 times by 1 test Evaluated by: Self test (438)

0-729

1451 u8 aff = sqlite3AffinityType(pExpr->u.zToken,0); -

1452 rc = valueFromExpr(db, pExpr->pLeft, enc, aff, ppVal, pCtx); -

1453 testcase( rc!=SQLITE_OK ); -

1454

if( *ppVal ){

*ppVal	Description
TRUE	never evaluated
FALSE	never evaluated

1455 sqlite3VdbeMemCast(*ppVal, aff, SQLITE_UTF8); -

1456 sqlite3ValueApplyAffinity(*ppVal, affinity, SQLITE_UTF8); -

1457

}

never executed: end of block

1458

return rc;

never executed: return rc;

1459 } -

1460 -

1461 /* Handle negative integers in a single step. This is needed in the -

1462 ** case when the value is -9223372036854775808. -

1463 */ -

1464

if( op==TK_UMINUS

op==161	Description
TRUE	evaluated 83 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 646 times by 1 test Evaluated by: Self test (438)

83-646

1465

&& (pExpr->pLeft->op==TK_INTEGER || pExpr->pLeft->op==TK_FLOAT) ){

pExpr->pLeft->op==143	Description
TRUE	evaluated 42 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 41 times by 1 test Evaluated by: Self test (438)

pExpr->pLeft->op==141	Description
TRUE	evaluated 33 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 8 times by 1 test Evaluated by: Self test (438)

8-42

1466 pExpr = pExpr->pLeft; -

1467 op = pExpr->op; -

1468 negInt = -1; -

1469 zNeg = "-"; -

1470

}

executed 75 times by 1 test: end of block

Executed by:

Self test (438)

1471 -

1472

if( op==TK_STRING || op==TK_FLOAT || op==TK_INTEGER ){

op==106	Description
TRUE	evaluated 133 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 596 times by 1 test Evaluated by: Self test (438)

op==141	Description
TRUE	evaluated 61 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 535 times by 1 test Evaluated by: Self test (438)

op==143	Description
TRUE	evaluated 458 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 77 times by 1 test Evaluated by: Self test (438)

61-596

1473 pVal = valueNew(db, pCtx); -

1474

if( pVal==0 ) goto no_mem;

never executed: goto no_mem;

pVal==0	Description
TRUE	never evaluated
FALSE	evaluated 652 times by 1 test Evaluated by: Self test (438)

0-652

1475

if( ExprHasProperty(pExpr, EP_IntValue) ){

(((pExpr)->fla...0x000400))!=0)	Description
TRUE	evaluated 416 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 236 times by 1 test Evaluated by: Self test (438)

236-416

1476 sqlite3VdbeMemSetInt64(pVal, (i64)pExpr->u.iValue*negInt); -

1477

}else{

executed 416 times by 1 test: end of block

Executed by:

Self test (438)

416

1478 zVal = sqlite3MPrintf(db, "%s%s", zNeg, pExpr->u.zToken); -

1479

if( zVal==0 ) goto no_mem;

never executed: goto no_mem;

zVal==0	Description
TRUE	never evaluated
FALSE	evaluated 236 times by 1 test Evaluated by: Self test (438)

0-236

1480 sqlite3ValueSetStr(pVal, -1, zVal, SQLITE_UTF8, SQLITE_DYNAMIC); -

1481

}

executed 236 times by 1 test: end of block

Executed by:

Self test (438)

236

1482

if( (op==TK_INTEGER || op==TK_FLOAT ) && affinity==SQLITE_AFF_BLOB ){

op==143	Description
TRUE	evaluated 458 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 194 times by 1 test Evaluated by: Self test (438)

op==141	Description
TRUE	evaluated 61 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 133 times by 1 test Evaluated by: Self test (438)

affinity=='A'	Description
TRUE	evaluated 319 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 200 times by 1 test Evaluated by: Self test (438)

61-458

1483 sqlite3ValueApplyAffinity(pVal, SQLITE_AFF_NUMERIC, SQLITE_UTF8); -

1484

}else{

executed 319 times by 1 test: end of block

Executed by:

Self test (438)

319

1485 sqlite3ValueApplyAffinity(pVal, affinity, SQLITE_UTF8); -

1486

}

executed 333 times by 1 test: end of block

Executed by:

Self test (438)

333

1487

if( pVal->flags & (MEM_Int|MEM_Real) ) pVal->flags &= ~MEM_Str;

executed 516 times by 1 test: pVal->flags &= ~0x0002;

Executed by:

Self test (438)

pVal->flags & (0x0004\|0x0008)	Description
TRUE	evaluated 516 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 136 times by 1 test Evaluated by: Self test (438)

136-516

1488

if( enc!=SQLITE_UTF8 ){

enc!=1	Description
TRUE	evaluated 6 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 646 times by 1 test Evaluated by: Self test (438)

6-646

1489 rc = sqlite3VdbeChangeEncoding(pVal, enc); -

1490

}

executed 6 times by 1 test: end of block

Executed by:

Self test (438)

1491

}else if( op==TK_UMINUS ) {

executed 652 times by 1 test: end of block

Executed by:

Self test (438)

op==161	Description
TRUE	evaluated 8 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 69 times by 1 test Evaluated by: Self test (438)

8-652

1492 /* This branch happens for multiple negative signs. Ex: -(-5) */ -

1493

if( SQLITE_OK==valueFromExpr(db,pExpr->pLeft,enc,affinity,&pVal,pCtx)

0==valueFromEx...ty,&pVal,pCtx)	Description
TRUE	evaluated 8 times by 1 test Evaluated by: Self test (438)
FALSE	never evaluated

0-8

1494

&& pVal!=0

pVal!=0	Description
TRUE	evaluated 8 times by 1 test Evaluated by: Self test (438)
FALSE	never evaluated

0-8

1495 ){ -

1496 sqlite3VdbeMemNumerify(pVal); -

1497

if( pVal->flags & MEM_Real ){

pVal->flags & 0x0008	Description
TRUE	never evaluated
FALSE	evaluated 8 times by 1 test Evaluated by: Self test (438)

0-8

1498 pVal->u.r = -pVal->u.r; -

1499

}else if( pVal->u.i==SMALLEST_INT64 ){

never executed: end of block

pVal->u.i==(((...ffffff)<<32)))	Description
TRUE	evaluated 5 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 3 times by 1 test Evaluated by: Self test (438)

0-5

1500 pVal->u.r = -(double)SMALLEST_INT64; -

1501 MemSetTypeFlag(pVal, MEM_Real); -

1502

}else{

executed 5 times by 1 test: end of block

Executed by:

Self test (438)

1503 pVal->u.i = -pVal->u.i; -

1504

}

executed 3 times by 1 test: end of block

Executed by:

Self test (438)

1505 sqlite3ValueApplyAffinity(pVal, affinity, enc); -

1506

}

executed 8 times by 1 test: end of block

Executed by:

Self test (438)

1507

}else if( op==TK_NULL ){

executed 8 times by 1 test: end of block

Executed by:

Self test (438)

op==110	Description
TRUE	evaluated 9 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 60 times by 1 test Evaluated by: Self test (438)

8-60

1508 pVal = valueNew(db, pCtx); -

1509

if( pVal==0 ) goto no_mem;

never executed: goto no_mem;

pVal==0	Description
TRUE	never evaluated
FALSE	evaluated 9 times by 1 test Evaluated by: Self test (438)

0-9

1510 sqlite3VdbeMemNumerify(pVal); -

1511

}

executed 9 times by 1 test: end of block

Executed by:

Self test (438)

1512 #ifndef SQLITE_OMIT_BLOB_LITERAL -

1513

else if( op==TK_BLOB ){

op==142	Description
TRUE	evaluated 7 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 53 times by 1 test Evaluated by: Self test (438)

7-53

1514 int nVal; -

1515 assert( pExpr->u.zToken[0]=='x' || pExpr->u.zToken[0]=='X' ); -

1516 assert( pExpr->u.zToken[1]=='\'' ); -

1517 pVal = valueNew(db, pCtx); -

1518

if( !pVal ) goto no_mem;

never executed: goto no_mem;

!pVal	Description
TRUE	never evaluated
FALSE	evaluated 7 times by 1 test Evaluated by: Self test (438)

0-7

1519 zVal = &pExpr->u.zToken[2]; -

1520 nVal = sqlite3Strlen30(zVal)-1; -

1521 assert( zVal[nVal]=='\'' ); -

1522 sqlite3VdbeMemSetStr(pVal, sqlite3HexToBlob(db, zVal, nVal), nVal/2, -

1523 0, SQLITE_DYNAMIC); -

1524

}

executed 7 times by 1 test: end of block

Executed by:

Self test (438)

1525 #endif -

1526 #ifdef SQLITE_ENABLE_STAT3_OR_STAT4 -

1527 else if( op==TK_FUNCTION && pCtx!=0 ){ -

1528 rc = valueFromFunction(db, pExpr, enc, affinity, &pVal, pCtx); -

1529 } -

1530 #endif -

1531

else if( op==TK_TRUEFALSE ){

op==155	Description
TRUE	evaluated 10 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 43 times by 1 test Evaluated by: Self test (438)

10-43

1532 pVal = valueNew(db, pCtx); -

1533 pVal->flags = MEM_Int; -

1534 pVal->u.i = pExpr->u.zToken[4]==0; -

1535

}

executed 10 times by 1 test: end of block

Executed by:

Self test (438)

1536 -

1537 *ppVal = pVal; -

1538

return rc;

executed 729 times by 1 test: return rc;

Executed by:

Self test (438)

729

1539 -

1540 no_mem: -

1541 #ifdef SQLITE_ENABLE_STAT3_OR_STAT4 -

1542 if( pCtx==0 || pCtx->pParse->nErr==0 ) -

1543 #endif -

1544 sqlite3OomFault(db); -

1545 sqlite3DbFree(db, zVal); -

1546 assert( *ppVal==0 ); -

1547 #ifdef SQLITE_ENABLE_STAT3_OR_STAT4 -

1548 if( pCtx==0 ) sqlite3ValueFree(pVal); -

1549 #else -

1550 assert( pCtx==0 ); sqlite3ValueFree(pVal); -

1551 #endif -

1552

return SQLITE_NOMEM_BKPT;

never executed: return 7;

1553 } -

1554 -

1555 /* -

1556 ** Create a new sqlite3_value object, containing the value of pExpr. -

1557 ** -

1558 ** This only works for very simple expressions that consist of one constant -

1559 ** token (i.e. "5", "5.1", "'a string'"). If the expression can -

1560 ** be converted directly into a value, then the value is allocated and -

1561 ** a pointer written to *ppVal. The caller is responsible for deallocating -

1562 ** the value by passing it to sqlite3ValueFree() later on. If the expression -

1563 ** cannot be converted to a value, then *ppVal is set to NULL. -

1564 */ -

1565 int sqlite3ValueFromExpr( -

1566 sqlite3 *db, /* The database connection */ -

1567 Expr *pExpr, /* The expression to evaluate */ -

1568 u8 enc, /* Encoding to use */ -

1569 u8 affinity, /* Affinity to use */ -

1570 sqlite3_value **ppVal /* Write the new value here */ -

1571 ){ -

1572

return pExpr ? valueFromExpr(db, pExpr, enc, affinity, ppVal, 0) : 0;

executed 559721 times by 435 tests: return pExpr ? valueFromExpr(db, pExpr, enc, affinity, ppVal, 0) : 0;

Executed by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

pExpr

Description

TRUE

evaluated 721 times by 1 test

Evaluated by:

Self test (438)

FALSE

evaluated 559000 times by 435 tests

Evaluated by:

Self test
Self test (10)
Self test (100)
Self test (101)
Self test (103)
Self test (104)
Self test (105)
Self test (106)
Self test (107)
Self test (108)
Self test (109)
Self test (11)
Self test (110)
Self test (111)
Self test (112)
Self test (113)
Self test (114)
Self test (115)
Self test (116)
Self test (117)
Self test (118)
Self test (119)
Self test (12)
Self test (120)
Self test (121)
...

721-559721

1573 } -

1574 -

1575 #ifdef SQLITE_ENABLE_STAT3_OR_STAT4 -

1576 /* -

1577 ** The implementation of the sqlite_record() function. This function accepts -

1578 ** a single argument of any type. The return value is a formatted database -

1579 ** record (a blob) containing the argument value. -

1580 ** -

1581 ** This is used to convert the value stored in the 'sample' column of the -

1582 ** sqlite_stat3 table to the record format SQLite uses internally. -

1583 */ -

1584 static void recordFunc( -

1585 sqlite3_context *context, -

1586 int argc, -

1587 sqlite3_value **argv -

1588 ){ -

1589 const int file_format = 1; -

1590 u32 iSerial; /* Serial type */ -

1591 int nSerial; /* Bytes of space for iSerial as varint */ -

1592 u32 nVal; /* Bytes of space required for argv[0] */ -

1593 int nRet; -

1594 sqlite3 *db; -

1595 u8 *aRet; -

1596 -

1597 UNUSED_PARAMETER( argc ); -

1598 iSerial = sqlite3VdbeSerialType(argv[0], file_format, &nVal); -

1599 nSerial = sqlite3VarintLen(iSerial); -

1600 db = sqlite3_context_db_handle(context); -

1601 -

1602 nRet = 1 + nSerial + nVal; -

1603 aRet = sqlite3DbMallocRawNN(db, nRet); -

1604 if( aRet==0 ){ -

1605 sqlite3_result_error_nomem(context); -

1606 }else{ -

1607 aRet[0] = nSerial+1; -

1608 putVarint32(&aRet[1], iSerial); -

1609 sqlite3VdbeSerialPut(&aRet[1+nSerial], argv[0], iSerial); -

1610 sqlite3_result_blob(context, aRet, nRet, SQLITE_TRANSIENT); -

1611 sqlite3DbFreeNN(db, aRet); -

1612 } -

1613 } -

1614 -

1615 /* -

1616 ** Register built-in functions used to help read ANALYZE data. -

1617 */ -

1618 void sqlite3AnalyzeFunctions(void){ -

1619 static FuncDef aAnalyzeTableFuncs[] = { -

1620 FUNCTION(sqlite_record, 1, 0, 0, recordFunc), -

1621 }; -

1622 sqlite3InsertBuiltinFuncs(aAnalyzeTableFuncs, ArraySize(aAnalyzeTableFuncs)); -

1623 } -

1624 -

1625 /* -

1626 ** Attempt to extract a value from pExpr and use it to construct *ppVal. -

1627 ** -

1628 ** If pAlloc is not NULL, then an UnpackedRecord object is created for -

1629 ** pAlloc if one does not exist and the new value is added to the -

1630 ** UnpackedRecord object. -

1631 ** -

1632 ** A value is extracted in the following cases: -

1633 ** -

1634 ** * (pExpr==0). In this case the value is assumed to be an SQL NULL, -

1635 ** -

1636 ** * The expression is a bound variable, and this is a reprepare, or -

1637 ** -

1638 ** * The expression is a literal value. -

1639 ** -

1640 ** On success, *ppVal is made to point to the extracted value. The caller -

1641 ** is responsible for ensuring that the value is eventually freed. -

1642 */ -

1643 static int stat4ValueFromExpr( -

1644 Parse *pParse, /* Parse context */ -

1645 Expr *pExpr, /* The expression to extract a value from */ -

1646 u8 affinity, /* Affinity to use */ -

1647 struct ValueNewStat4Ctx *pAlloc,/* How to allocate space. Or NULL */ -

1648 sqlite3_value **ppVal /* OUT: New value object (or NULL) */ -

1649 ){ -

1650 int rc = SQLITE_OK; -

1651 sqlite3_value *pVal = 0; -

1652 sqlite3 *db = pParse->db; -

1653 -

1654 /* Skip over any TK_COLLATE nodes */ -

1655 pExpr = sqlite3ExprSkipCollate(pExpr); -

1656 -

1657 assert( pExpr==0 || pExpr->op!=TK_REGISTER || pExpr->op2!=TK_VARIABLE ); -

1658 if( !pExpr ){ -

1659 pVal = valueNew(db, pAlloc); -

1660 if( pVal ){ -

1661 sqlite3VdbeMemSetNull((Mem*)pVal); -

1662 } -

1663 }else if( pExpr->op==TK_VARIABLE && (db->flags & SQLITE_EnableQPSG)==0 ){ -

1664 Vdbe *v; -

1665 int iBindVar = pExpr->iColumn; -

1666 sqlite3VdbeSetVarmask(pParse->pVdbe, iBindVar); -

1667 if( (v = pParse->pReprepare)!=0 ){ -

1668 pVal = valueNew(db, pAlloc); -

1669 if( pVal ){ -

1670 rc = sqlite3VdbeMemCopy((Mem*)pVal, &v->aVar[iBindVar-1]); -

1671 sqlite3ValueApplyAffinity(pVal, affinity, ENC(db)); -

1672 pVal->db = pParse->db; -

1673 } -

1674 } -

1675 }else{ -

1676 rc = valueFromExpr(db, pExpr, ENC(db), affinity, &pVal, pAlloc); -

1677 } -

1678 -

1679 assert( pVal==0 || pVal->db==db ); -

1680 *ppVal = pVal; -

1681 return rc; -

1682 } -

1683 -

1684 /* -

1685 ** This function is used to allocate and populate UnpackedRecord -

1686 ** structures intended to be compared against sample index keys stored -

1687 ** in the sqlite_stat4 table. -

1688 ** -

1689 ** A single call to this function populates zero or more fields of the -

1690 ** record starting with field iVal (fields are numbered from left to -

1691 ** right starting with 0). A single field is populated if: -

1692 ** -

1693 ** * (pExpr==0). In this case the value is assumed to be an SQL NULL, -

1694 ** -

1695 ** * The expression is a bound variable, and this is a reprepare, or -

1696 ** -

1697 ** * The sqlite3ValueFromExpr() function is able to extract a value -

1698 ** from the expression (i.e. the expression is a literal value). -

1699 ** -

1700 ** Or, if pExpr is a TK_VECTOR, one field is populated for each of the -

1701 ** vector components that match either of the two latter criteria listed -

1702 ** above. -

1703 ** -

1704 ** Before any value is appended to the record, the affinity of the -

1705 ** corresponding column within index pIdx is applied to it. Before -

1706 ** this function returns, output parameter *pnExtract is set to the -

1707 ** number of values appended to the record. -

1708 ** -

1709 ** When this function is called, *ppRec must either point to an object -

1710 ** allocated by an earlier call to this function, or must be NULL. If it -

1711 ** is NULL and a value can be successfully extracted, a new UnpackedRecord -

1712 ** is allocated (and *ppRec set to point to it) before returning. -

1713 ** -

1714 ** Unless an error is encountered, SQLITE_OK is returned. It is not an -

1715 ** error if a value cannot be extracted from pExpr. If an error does -

1716 ** occur, an SQLite error code is returned. -

1717 */ -

1718 int sqlite3Stat4ProbeSetValue( -

1719 Parse *pParse, /* Parse context */ -

1720 Index *pIdx, /* Index being probed */ -

1721 UnpackedRecord **ppRec, /* IN/OUT: Probe record */ -

1722 Expr *pExpr, /* The expression to extract a value from */ -

1723 int nElem, /* Maximum number of values to append */ -

1724 int iVal, /* Array element to populate */ -

1725 int *pnExtract /* OUT: Values appended to the record */ -

1726 ){ -

1727 int rc = SQLITE_OK; -

1728 int nExtract = 0; -

1729 -

1730 if( pExpr==0 || pExpr->op!=TK_SELECT ){ -

1731 int i; -

1732 struct ValueNewStat4Ctx alloc; -

1733 -

1734 alloc.pParse = pParse; -

1735 alloc.pIdx = pIdx; -

1736 alloc.ppRec = ppRec; -

1737 -

1738 for(i=0; i<nElem; i++){ -

1739 sqlite3_value *pVal = 0; -

1740 Expr *pElem = (pExpr ? sqlite3VectorFieldSubexpr(pExpr, i) : 0); -

1741 u8 aff = sqlite3IndexColumnAffinity(pParse->db, pIdx, iVal+i); -

1742 alloc.iVal = iVal+i; -

1743 rc = stat4ValueFromExpr(pParse, pElem, aff, &alloc, &pVal); -

1744 if( !pVal ) break; -

1745 nExtract++; -

1746 } -

1747 } -

1748 -

1749 *pnExtract = nExtract; -

1750 return rc; -

1751 } -

1752 -

1753 /* -

1754 ** Attempt to extract a value from expression pExpr using the methods -

1755 ** as described for sqlite3Stat4ProbeSetValue() above. -

1756 ** -

1757 ** If successful, set *ppVal to point to a new value object and return -

1758 ** SQLITE_OK. If no value can be extracted, but no other error occurs -

1759 ** (e.g. OOM), return SQLITE_OK and set *ppVal to NULL. Or, if an error -

1760 ** does occur, return an SQLite error code. The final value of *ppVal -

1761 ** is undefined in this case. -

1762 */ -

1763 int sqlite3Stat4ValueFromExpr( -

1764 Parse *pParse, /* Parse context */ -

1765 Expr *pExpr, /* The expression to extract a value from */ -

1766 u8 affinity, /* Affinity to use */ -

1767 sqlite3_value **ppVal /* OUT: New value object (or NULL) */ -

1768 ){ -

1769 return stat4ValueFromExpr(pParse, pExpr, affinity, 0, ppVal); -

1770 } -

1771 -

1772 /* -

1773 ** Extract the iCol-th column from the nRec-byte record in pRec. Write -

1774 ** the column value into *ppVal. If *ppVal is initially NULL then a new -

1775 ** sqlite3_value object is allocated. -

1776 ** -

1777 ** If *ppVal is initially NULL then the caller is responsible for -

1778 ** ensuring that the value written into *ppVal is eventually freed. -

1779 */ -

1780 int sqlite3Stat4Column( -

1781 sqlite3 *db, /* Database handle */ -

1782 const void *pRec, /* Pointer to buffer containing record */ -

1783 int nRec, /* Size of buffer pRec in bytes */ -

1784 int iCol, /* Column to extract */ -

1785 sqlite3_value **ppVal /* OUT: Extracted value */ -

1786 ){ -

1787 u32 t = 0; /* a column type code */ -

1788 int nHdr; /* Size of the header in the record */ -

1789 int iHdr; /* Next unread header byte */ -

1790 int iField; /* Next unread data byte */ -

1791 int szField = 0; /* Size of the current data field */ -

1792 int i; /* Column index */ -

1793 u8 *a = (u8*)pRec; /* Typecast byte array */ -

1794 Mem *pMem = *ppVal; /* Write result into this Mem object */ -

1795 -

1796 assert( iCol>0 ); -

1797 iHdr = getVarint32(a, nHdr); -

1798 if( nHdr>nRec || iHdr>=nHdr ) return SQLITE_CORRUPT_BKPT; -

1799 iField = nHdr; -

1800 for(i=0; i<=iCol; i++){ -

1801 iHdr += getVarint32(&a[iHdr], t); -

1802 testcase( iHdr==nHdr ); -

1803 testcase( iHdr==nHdr+1 ); -

1804 if( iHdr>nHdr ) return SQLITE_CORRUPT_BKPT; -

1805 szField = sqlite3VdbeSerialTypeLen(t); -

1806 iField += szField; -

1807 } -

1808 testcase( iField==nRec ); -

1809 testcase( iField==nRec+1 ); -

1810 if( iField>nRec ) return SQLITE_CORRUPT_BKPT; -

1811 if( pMem==0 ){ -

1812 pMem = *ppVal = sqlite3ValueNew(db); -

1813 if( pMem==0 ) return SQLITE_NOMEM_BKPT; -

1814 } -

1815 sqlite3VdbeSerialGet(&a[iField-szField], t, pMem); -

1816 pMem->enc = ENC(db); -

1817 return SQLITE_OK; -

1818 } -

1819 -

1820 /* -

1821 ** Unless it is NULL, the argument must be an UnpackedRecord object returned -

1822 ** by an earlier call to sqlite3Stat4ProbeSetValue(). This call deletes -

1823 ** the object. -

1824 */ -

1825 void sqlite3Stat4ProbeFree(UnpackedRecord *pRec){ -

1826 if( pRec ){ -

1827 int i; -

1828 int nCol = pRec->pKeyInfo->nAllField; -

1829 Mem *aMem = pRec->aMem; -

1830 sqlite3 *db = aMem[0].db; -

1831 for(i=0; i<nCol; i++){ -

1832 sqlite3VdbeMemRelease(&aMem[i]); -

1833 } -

1834 sqlite3KeyInfoUnref(pRec->pKeyInfo); -

1835 sqlite3DbFreeNN(db, pRec); -

1836 } -

1837 } -

1838 #endif /* ifdef SQLITE_ENABLE_STAT4 */ -

1839 -

1840 /* -

1841 ** Change the string value of an sqlite3_value object -

1842 */ -

1843 void sqlite3ValueSetStr( -

1844 sqlite3_value *v, /* Value to be set */ -

1845 int n, /* Length of string z */ -

1846 const void *z, /* Text of the new string */ -

1847 u8 enc, /* Encoding to use */ -

1848 void (*xDel)(void*) /* Destructor for the string */ -

1849 ){ -

1850

if( v ) sqlite3VdbeMemSetStr((Mem *)v, z, n, enc, xDel);

executed 16791 times by 19 tests: sqlite3VdbeMemSetStr((Mem *)v, z, n, enc, xDel);

Executed by:

Self test (24)
Self test (26)
Self test (27)
Self test (28)
Self test (29)
Self test (30)
Self test (34)
Self test (35)
Self test (39)
Self test (438)
Self test (47)
Self test (53)
Self test (61)
Self test (78)
Self test (79)
Self test (80)
Self test (81)
Self test (82)
Self test (83)

v	Description
TRUE	evaluated 16791 times by 19 tests Evaluated by: Self test (24) Self test (26) Self test (27) Self test (28) Self test (29) Self test (30) Self test (34) Self test (35) Self test (39) Self test (438) Self test (47) Self test (53) Self test (61) Self test (78) Self test (79) Self test (80) Self test (81) Self test (82) Self test (83)
FALSE	never evaluated

0-16791

1851

}

executed 16791 times by 19 tests: end of block

Executed by:

Self test (24)
Self test (26)
Self test (27)
Self test (28)
Self test (29)
Self test (30)
Self test (34)
Self test (35)
Self test (39)
Self test (438)
Self test (47)
Self test (53)
Self test (61)
Self test (78)
Self test (79)
Self test (80)
Self test (81)
Self test (82)
Self test (83)

16791

1852 -

1853 /* -

1854 ** Free an sqlite3_value object -

1855 */ -

1856 void sqlite3ValueFree(sqlite3_value *v){ -

1857

if( !v ) return;

executed 47071 times by 50 tests: return;

Executed by:

Self test (101)
Self test (102)
Self test (103)
Self test (104)
Self test (105)
Self test (25)
Self test (31)
Self test (32)
Self test (33)
Self test (34)
Self test (36)
Self test (37)
Self test (38)
Self test (40)
Self test (41)
Self test (42)
Self test (43)
Self test (438)
Self test (44)
Self test (45)
Self test (46)
Self test (48)
Self test (50)
Self test (51)
Self test (52)
...

Description

TRUE

evaluated 47071 times by 50 tests

Evaluated by:

Self test (101)
Self test (102)
Self test (103)
Self test (104)
Self test (105)
Self test (25)
Self test (31)
Self test (32)
Self test (33)
Self test (34)
Self test (36)
Self test (37)
Self test (38)
Self test (40)
Self test (41)
Self test (42)
Self test (43)
Self test (438)
Self test (44)
Self test (45)
Self test (46)
Self test (48)
Self test (50)
Self test (51)
Self test (52)
...

FALSE

evaluated 22819 times by 19 tests

Evaluated by:

Self test (24)
Self test (26)
Self test (27)
Self test (28)
Self test (29)
Self test (30)
Self test (34)
Self test (35)
Self test (39)
Self test (438)
Self test (47)
Self test (53)
Self test (61)
Self test (78)
Self test (79)
Self test (80)
Self test (81)
Self test (82)
Self test (83)

22819-47071

1858 sqlite3VdbeMemRelease((Mem *)v); -

1859 sqlite3DbFreeNN(((Mem*)v)->db, v); -

1860

}

executed 22819 times by 19 tests: end of block

Executed by:

Self test (24)
Self test (26)
Self test (27)
Self test (28)
Self test (29)
Self test (30)
Self test (34)
Self test (35)
Self test (39)
Self test (438)
Self test (47)
Self test (53)
Self test (61)
Self test (78)
Self test (79)
Self test (80)
Self test (81)
Self test (82)
Self test (83)

22819

1861 -

1862 /* -

1863 ** The sqlite3ValueBytes() routine returns the number of bytes in the -

1864 ** sqlite3_value object assuming that it uses the encoding "enc". -

1865 ** The valueBytes() routine is a helper function. -

1866 */ -

1867 static SQLITE_NOINLINE int valueBytes(sqlite3_value *pVal, u8 enc){ -

1868

return valueToText(pVal, enc)!=0 ? pVal->n : 0;

executed 166 times by 1 test: return valueToText(pVal, enc)!=0 ? pVal->n : 0;

Executed by:

Self test (438)

valueToText(pVal, enc)!=0	Description
TRUE	evaluated 166 times by 1 test Evaluated by: Self test (438)
FALSE	never evaluated

0-166

1869 } -

1870 int sqlite3ValueBytes(sqlite3_value *pVal, u8 enc){ -

1871 Mem *p = (Mem*)pVal; -

1872 assert( (p->flags & MEM_Null)==0 || (p->flags & (MEM_Str|MEM_Blob))==0 ); -

1873

if( (p->flags & MEM_Str)!=0 && pVal->enc==enc ){

(p->flags & 0x0002)!=0	Description
TRUE	evaluated 231763 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 170848 times by 1 test Evaluated by: Self test (438)

pVal->enc==enc	Description
TRUE	evaluated 231616 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 147 times by 1 test Evaluated by: Self test (438)

147-231763

1874

return p->n;

executed 231616 times by 1 test: return p->n;

Executed by:

Self test (438)

231616

1875 } -

1876

if( (p->flags & MEM_Blob)!=0 ){

(p->flags & 0x0010)!=0	Description
TRUE	evaluated 170055 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 940 times by 1 test Evaluated by: Self test (438)

940-170055

1877

if( p->flags & MEM_Zero ){

p->flags & 0x4000	Description
TRUE	evaluated 9 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 170046 times by 1 test Evaluated by: Self test (438)

9-170046

1878

return p->n + p->u.nZero;

executed 9 times by 1 test: return p->n + p->u.nZero;

Executed by:

Self test (438)

1879 }else{ -

1880

return p->n;

executed 170046 times by 1 test: return p->n;

Executed by:

Self test (438)

170046

1881 } -

1882 } -

1883

if( p->flags & MEM_Null ) return 0;

executed 774 times by 1 test: return 0;

Executed by:

Self test (438)

p->flags & 0x0001	Description
TRUE	evaluated 774 times by 1 test Evaluated by: Self test (438)
FALSE	evaluated 166 times by 1 test Evaluated by: Self test (438)

166-774

1884

return valueBytes(pVal, enc);

executed 166 times by 1 test: return valueBytes(pVal, enc);

Executed by:

Self test (438)

166

1885 } -

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