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Overview
| Comment: | Fix a problem computing affinities for indexes during skip-scan code generation when SQLITE_ENABLE_STAT4 is on. Bug introduced by check-in [1ee089a72d789002]. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 1350dd42d056508337b1a07ad8b1c9c9 |
| User & Date: | drh 2015-09-25 01:09:27 |
Context
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2015-09-25
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| 13:42 | Report an error if the number of named columns in a VIEW is different from the number of result columns in the SELECT statement that implements the VIEW. check-in: 6e4ac0be user: drh tags: trunk | |
| 01:09 | Fix a problem computing affinities for indexes during skip-scan code generation when SQLITE_ENABLE_STAT4 is on. Bug introduced by check-in [1ee089a72d789002]. check-in: 1350dd42 user: drh tags: trunk | |
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2015-09-24
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| 18:47 | Enhance the query planner so that it is able to use indexed expressions to help fulfill an ORDER BY clause. check-in: 668fc1eb user: drh tags: trunk | |
Changes
Changes to src/where.c.
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#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
/*
** Return the affinity for a single column of an index.
*/
static char sqlite3IndexColumnAffinity(sqlite3 *db, Index *pIdx, int iCol){
if( !pIdx->zColAff ){
if( sqlite3IndexAffinityStr(db, pIdx)==0 ) return SQLITE_AFF_BLOB;
}
return pIdx->zColAff[iCol];
}
#endif
................................................................................
){
Index *p = pLoop->u.btree.pIndex;
int nEq = pLoop->u.btree.nEq;
sqlite3 *db = pParse->db;
int nLower = -1;
int nUpper = p->nSample+1;
int rc = SQLITE_OK;
int iCol = p->aiColumn[nEq];
u8 aff = sqlite3IndexColumnAffinity(db, p, iCol);
CollSeq *pColl;
sqlite3_value *p1 = 0; /* Value extracted from pLower */
sqlite3_value *p2 = 0; /* Value extracted from pUpper */
sqlite3_value *pVal = 0; /* Value extracted from record */
pColl = sqlite3LocateCollSeq(pParse, p->azColl[nEq]);
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#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
/*
** Return the affinity for a single column of an index.
*/
static char sqlite3IndexColumnAffinity(sqlite3 *db, Index *pIdx, int iCol){
assert( iCol>=0 && iCol<pIdx->nColumn );
if( !pIdx->zColAff ){
if( sqlite3IndexAffinityStr(db, pIdx)==0 ) return SQLITE_AFF_BLOB;
}
return pIdx->zColAff[iCol];
}
#endif
................................................................................
){
Index *p = pLoop->u.btree.pIndex;
int nEq = pLoop->u.btree.nEq;
sqlite3 *db = pParse->db;
int nLower = -1;
int nUpper = p->nSample+1;
int rc = SQLITE_OK;
u8 aff = sqlite3IndexColumnAffinity(db, p, nEq);
CollSeq *pColl;
sqlite3_value *p1 = 0; /* Value extracted from pLower */
sqlite3_value *p2 = 0; /* Value extracted from pUpper */
sqlite3_value *pVal = 0; /* Value extracted from record */
pColl = sqlite3LocateCollSeq(pParse, p->azColl[nEq]);
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