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Overview
| Comment: | Fix a bug [3557ad65a07] that causes incorrect DISTINCT processing on an indexed query involving the IN operator. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
dec9a995d7012a1f85be4edb71240b9d |
| User & Date: | drh 2012-03-03 00:34:47 |
Context
|
2012-03-03
| ||
| 01:44 | Add a test case for ticket [3557ad65a076c]. (check-in: 4f34d707 user: drh tags: trunk) | |
| 00:34 | Fix a bug [3557ad65a07] that causes incorrect DISTINCT processing on an indexed query involving the IN operator. (check-in: dec9a995 user: drh tags: trunk) | |
|
2012-03-02
| ||
| 22:41 | Fix test pragma-19.5 so that it works on file names that may contain spaces and/or backslashes. (check-in: 9aaa1ab7 user: mistachkin tags: trunk) | |
Changes
Changes to src/where.c.
3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 |
wsFlags |= WHERE_ROWID_RANGE|WHERE_COLUMN_RANGE|WHERE_ORDERBY;
wsFlags |= (rev ? WHERE_REVERSE : 0);
}
/* If there is a DISTINCT qualifier and this index will scan rows in
** order of the DISTINCT expressions, clear bDist and set the appropriate
** flags in wsFlags. */
if( isDistinctIndex(pParse, pWC, pProbe, iCur, pDistinct, nEq) ){
bDist = 0;
wsFlags |= WHERE_ROWID_RANGE|WHERE_COLUMN_RANGE|WHERE_DISTINCT;
}
/* If currently calculating the cost of using an index (not the IPK
** index), determine if all required column data may be obtained without
** using the main table (i.e. if the index is a covering
|
| > > |
3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 |
wsFlags |= WHERE_ROWID_RANGE|WHERE_COLUMN_RANGE|WHERE_ORDERBY;
wsFlags |= (rev ? WHERE_REVERSE : 0);
}
/* If there is a DISTINCT qualifier and this index will scan rows in
** order of the DISTINCT expressions, clear bDist and set the appropriate
** flags in wsFlags. */
if( isDistinctIndex(pParse, pWC, pProbe, iCur, pDistinct, nEq)
&& (wsFlags & WHERE_COLUMN_IN)==0
){
bDist = 0;
wsFlags |= WHERE_ROWID_RANGE|WHERE_COLUMN_RANGE|WHERE_DISTINCT;
}
/* If currently calculating the cost of using an index (not the IPK
** index), determine if all required column data may be obtained without
** using the main table (i.e. if the index is a covering
|