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Overview
Comment: | Add new interfaces sqlite3_result_pointer(), and sqlite3_value_pointer() and use them to transfer the eponymous FTS3 column pointer to the snippet() and offsets() routines. This is a cherry-pick of [f0f49224] which was in turn inspired by [72de49f2]. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | branch-3.8.10 |
Files: | files | file ages | folders |
SHA3-256: |
5a3022e0811e24c9d968527eec447f4c |
User & Date: | drh 2017-07-21 04:08:41.087 |
Context
2017-07-21
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04:08 | Add new interfaces sqlite3_result_pointer(), and sqlite3_value_pointer() and use them to transfer the eponymous FTS3 column pointer to the snippet() and offsets() routines. This is a cherry-pick of [f0f49224] which was in turn inspired by [72de49f2]. (Leaf check-in: 5a3022e081 user: drh tags: branch-3.8.10) | |
2015-05-20
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18:17 | Version 3.8.10.2 (check-in: 2ef4f3a5b1 user: drh tags: release, version-3.8.10.2, branch-3.8.10) | |
Changes
Changes to ext/fts3/fts3.c.
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3299 3300 3301 3302 3303 3304 3305 | /* This call is a request for the "docid" column. Since "docid" is an ** alias for "rowid", use the xRowid() method to obtain the value. */ sqlite3_result_int64(pCtx, pCsr->iPrevId); }else if( iCol==p->nColumn ){ /* The extra column whose name is the same as the table. ** Return a blob which is a pointer to the cursor. */ | | | 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 | /* This call is a request for the "docid" column. Since "docid" is an ** alias for "rowid", use the xRowid() method to obtain the value. */ sqlite3_result_int64(pCtx, pCsr->iPrevId); }else if( iCol==p->nColumn ){ /* The extra column whose name is the same as the table. ** Return a blob which is a pointer to the cursor. */ sqlite3_result_pointer(pCtx, pCsr); }else if( iCol==p->nColumn+2 && pCsr->pExpr ){ sqlite3_result_int64(pCtx, pCsr->iLangid); }else{ /* The requested column is either a user column (one that contains ** indexed data), or the language-id column. */ rc = fts3CursorSeek(0, pCsr); |
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3511 3512 3513 3514 3515 3516 3517 | */ static int fts3FunctionArg( sqlite3_context *pContext, /* SQL function call context */ const char *zFunc, /* Function name */ sqlite3_value *pVal, /* argv[0] passed to function */ Fts3Cursor **ppCsr /* OUT: Store cursor handle here */ ){ | | < < | < | 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 | */ static int fts3FunctionArg( sqlite3_context *pContext, /* SQL function call context */ const char *zFunc, /* Function name */ sqlite3_value *pVal, /* argv[0] passed to function */ Fts3Cursor **ppCsr /* OUT: Store cursor handle here */ ){ Fts3Cursor *pRet = (Fts3Cursor*)sqlite3_value_pointer(pVal); if( pRet==0 ){ char *zErr = sqlite3_mprintf("illegal first argument to %s", zFunc); sqlite3_result_error(pContext, zErr, -1); sqlite3_free(zErr); return SQLITE_ERROR; } *ppCsr = pRet; return SQLITE_OK; } /* ** Implementation of the snippet() function for FTS3 */ |
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Changes to src/sqlite.h.in.
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4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 | */ const void *sqlite3_value_blob(sqlite3_value*); int sqlite3_value_bytes(sqlite3_value*); int sqlite3_value_bytes16(sqlite3_value*); double sqlite3_value_double(sqlite3_value*); int sqlite3_value_int(sqlite3_value*); sqlite3_int64 sqlite3_value_int64(sqlite3_value*); const unsigned char *sqlite3_value_text(sqlite3_value*); const void *sqlite3_value_text16(sqlite3_value*); const void *sqlite3_value_text16le(sqlite3_value*); const void *sqlite3_value_text16be(sqlite3_value*); int sqlite3_value_type(sqlite3_value*); int sqlite3_value_numeric_type(sqlite3_value*); | > | 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 | */ const void *sqlite3_value_blob(sqlite3_value*); int sqlite3_value_bytes(sqlite3_value*); int sqlite3_value_bytes16(sqlite3_value*); double sqlite3_value_double(sqlite3_value*); int sqlite3_value_int(sqlite3_value*); sqlite3_int64 sqlite3_value_int64(sqlite3_value*); void *sqlite3_value_pointer(sqlite3_value*); const unsigned char *sqlite3_value_text(sqlite3_value*); const void *sqlite3_value_text16(sqlite3_value*); const void *sqlite3_value_text16le(sqlite3_value*); const void *sqlite3_value_text16be(sqlite3_value*); int sqlite3_value_type(sqlite3_value*); int sqlite3_value_numeric_type(sqlite3_value*); |
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4617 4618 4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629 4630 | void sqlite3_result_error16(sqlite3_context*, const void*, int); void sqlite3_result_error_toobig(sqlite3_context*); void sqlite3_result_error_nomem(sqlite3_context*); void sqlite3_result_error_code(sqlite3_context*, int); void sqlite3_result_int(sqlite3_context*, int); void sqlite3_result_int64(sqlite3_context*, sqlite3_int64); void sqlite3_result_null(sqlite3_context*); void sqlite3_result_text(sqlite3_context*, const char*, int, void(*)(void*)); void sqlite3_result_text64(sqlite3_context*, const char*,sqlite3_uint64, void(*)(void*), unsigned char encoding); void sqlite3_result_text16(sqlite3_context*, const void*, int, void(*)(void*)); void sqlite3_result_text16le(sqlite3_context*, const void*, int,void(*)(void*)); void sqlite3_result_text16be(sqlite3_context*, const void*, int,void(*)(void*)); void sqlite3_result_value(sqlite3_context*, sqlite3_value*); | > | 4618 4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629 4630 4631 4632 | void sqlite3_result_error16(sqlite3_context*, const void*, int); void sqlite3_result_error_toobig(sqlite3_context*); void sqlite3_result_error_nomem(sqlite3_context*); void sqlite3_result_error_code(sqlite3_context*, int); void sqlite3_result_int(sqlite3_context*, int); void sqlite3_result_int64(sqlite3_context*, sqlite3_int64); void sqlite3_result_null(sqlite3_context*); void sqlite3_result_pointer(sqlite3_context*, void*); void sqlite3_result_text(sqlite3_context*, const char*, int, void(*)(void*)); void sqlite3_result_text64(sqlite3_context*, const char*,sqlite3_uint64, void(*)(void*), unsigned char encoding); void sqlite3_result_text16(sqlite3_context*, const void*, int, void(*)(void*)); void sqlite3_result_text16le(sqlite3_context*, const void*, int,void(*)(void*)); void sqlite3_result_text16be(sqlite3_context*, const void*, int,void(*)(void*)); void sqlite3_result_value(sqlite3_context*, sqlite3_value*); |
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Changes to src/vdbeInt.h.
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162 163 164 165 166 167 168 169 170 171 172 173 174 175 | ** integer etc.) of the same value. */ struct Mem { union MemValue { double r; /* Real value used when MEM_Real is set in flags */ i64 i; /* Integer value used when MEM_Int is set in flags */ int nZero; /* Used when bit MEM_Zero is set in flags */ FuncDef *pDef; /* Used only when flags==MEM_Agg */ RowSet *pRowSet; /* Used only when flags==MEM_RowSet */ VdbeFrame *pFrame; /* Used when flags==MEM_Frame */ } u; u16 flags; /* Some combination of MEM_Null, MEM_Str, MEM_Dyn, etc. */ u8 enc; /* SQLITE_UTF8, SQLITE_UTF16BE, SQLITE_UTF16LE */ int n; /* Number of characters in string value, excluding '\0' */ | > | 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 | ** integer etc.) of the same value. */ struct Mem { union MemValue { double r; /* Real value used when MEM_Real is set in flags */ i64 i; /* Integer value used when MEM_Int is set in flags */ int nZero; /* Used when bit MEM_Zero is set in flags */ void *pPtr; /* Pointer when flags==MEM_Ptr|MEM_Null */ FuncDef *pDef; /* Used only when flags==MEM_Agg */ RowSet *pRowSet; /* Used only when flags==MEM_RowSet */ VdbeFrame *pFrame; /* Used when flags==MEM_Frame */ } u; u16 flags; /* Some combination of MEM_Null, MEM_Str, MEM_Dyn, etc. */ u8 enc; /* SQLITE_UTF8, SQLITE_UTF16BE, SQLITE_UTF16LE */ int n; /* Number of characters in string value, excluding '\0' */ |
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212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 | /* Whenever Mem contains a valid string or blob representation, one of ** the following flags must be set to determine the memory management ** policy for Mem.z. The MEM_Term flag tells us whether or not the ** string is \000 or \u0000 terminated */ #define MEM_Term 0x0200 /* String rep is nul terminated */ #define MEM_Dyn 0x0400 /* Need to call Mem.xDel() on Mem.z */ #define MEM_Static 0x0800 /* Mem.z points to a static string */ #define MEM_Ephem 0x1000 /* Mem.z points to an ephemeral string */ #define MEM_Agg 0x2000 /* Mem.z points to an agg function context */ #define MEM_Zero 0x4000 /* Mem.i contains count of 0s appended to blob */ #ifdef SQLITE_OMIT_INCRBLOB #undef MEM_Zero #define MEM_Zero 0x0000 #endif /* ** Clear any existing type flags from a Mem and replace them with f */ #define MemSetTypeFlag(p, f) \ | > | | 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 | /* Whenever Mem contains a valid string or blob representation, one of ** the following flags must be set to determine the memory management ** policy for Mem.z. The MEM_Term flag tells us whether or not the ** string is \000 or \u0000 terminated */ #define MEM_Ptr 0x8000 /* u.pPtr is valid if type==SQLITE_NULL */ #define MEM_Term 0x0200 /* String rep is nul terminated */ #define MEM_Dyn 0x0400 /* Need to call Mem.xDel() on Mem.z */ #define MEM_Static 0x0800 /* Mem.z points to a static string */ #define MEM_Ephem 0x1000 /* Mem.z points to an ephemeral string */ #define MEM_Agg 0x2000 /* Mem.z points to an agg function context */ #define MEM_Zero 0x4000 /* Mem.i contains count of 0s appended to blob */ #ifdef SQLITE_OMIT_INCRBLOB #undef MEM_Zero #define MEM_Zero 0x0000 #endif /* ** Clear any existing type flags from a Mem and replace them with f */ #define MemSetTypeFlag(p, f) \ ((p)->flags = ((p)->flags&~(MEM_TypeMask|MEM_Zero|MEM_Ptr))|f) /* ** Return true if a memory cell is not marked as invalid. This macro ** is for use inside assert() statements only. */ #ifdef SQLITE_DEBUG #define memIsValid(M) ((M)->flags & MEM_Undefined)==0 |
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Changes to src/vdbeapi.c.
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151 152 153 154 155 156 157 158 159 160 161 162 163 164 | return sqlite3VdbeRealValue((Mem*)pVal); } int sqlite3_value_int(sqlite3_value *pVal){ return (int)sqlite3VdbeIntValue((Mem*)pVal); } sqlite_int64 sqlite3_value_int64(sqlite3_value *pVal){ return sqlite3VdbeIntValue((Mem*)pVal); } const unsigned char *sqlite3_value_text(sqlite3_value *pVal){ return (const unsigned char *)sqlite3ValueText(pVal, SQLITE_UTF8); } #ifndef SQLITE_OMIT_UTF16 const void *sqlite3_value_text16(sqlite3_value* pVal){ return sqlite3ValueText(pVal, SQLITE_UTF16NATIVE); | > > > > > | 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 | return sqlite3VdbeRealValue((Mem*)pVal); } int sqlite3_value_int(sqlite3_value *pVal){ return (int)sqlite3VdbeIntValue((Mem*)pVal); } sqlite_int64 sqlite3_value_int64(sqlite3_value *pVal){ return sqlite3VdbeIntValue((Mem*)pVal); } void *sqlite3_value_pointer(sqlite3_value *pVal){ Mem *p = (Mem*)pVal; if( (p->flags&(MEM_TypeMask|MEM_Ptr))==(MEM_Null|MEM_Ptr) ) return p->u.pPtr; return 0; } const unsigned char *sqlite3_value_text(sqlite3_value *pVal){ return (const unsigned char *)sqlite3ValueText(pVal, SQLITE_UTF8); } #ifndef SQLITE_OMIT_UTF16 const void *sqlite3_value_text16(sqlite3_value* pVal){ return sqlite3ValueText(pVal, SQLITE_UTF16NATIVE); |
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295 296 297 298 299 300 301 302 303 304 305 306 307 308 | void sqlite3_result_int(sqlite3_context *pCtx, int iVal){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetInt64(pCtx->pOut, (i64)iVal); } void sqlite3_result_int64(sqlite3_context *pCtx, i64 iVal){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetInt64(pCtx->pOut, iVal); } void sqlite3_result_null(sqlite3_context *pCtx){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetNull(pCtx->pOut); } void sqlite3_result_text( sqlite3_context *pCtx, | > > > > > > > | 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 | void sqlite3_result_int(sqlite3_context *pCtx, int iVal){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetInt64(pCtx->pOut, (i64)iVal); } void sqlite3_result_int64(sqlite3_context *pCtx, i64 iVal){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetInt64(pCtx->pOut, iVal); } void sqlite3_result_pointer(sqlite3_context *pCtx, void *pPtr){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetNull(pCtx->pOut); assert( (pCtx->pOut->flags & (MEM_TypeMask|MEM_Ptr))==MEM_Null ); pCtx->pOut->flags |= MEM_Ptr; pCtx->pOut->u.pPtr = pPtr; } void sqlite3_result_null(sqlite3_context *pCtx){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetNull(pCtx->pOut); } void sqlite3_result_text( sqlite3_context *pCtx, |
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