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Overview
| Comment: | Remove an unnecessary conditional from the EXPLAIN QUERY PLAN logic. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | c5dc83ebded914f07286b7f98d0a50c28c16f609 |
| User & Date: | drh 2014-10-11 01:22:16 |
Context
|
2014-10-11
| ||
| 02:12 | Make sure that a GROUP BY that also implements an ORDER BY scans the table in the correct order. Fix for ticket [ba7cbfaedc7e6]. check-in: 7a32fdfd user: drh tags: trunk | |
| 01:22 | Remove an unnecessary conditional from the EXPLAIN QUERY PLAN logic. check-in: c5dc83eb user: drh tags: trunk | |
|
2014-10-10
| ||
| 19:15 | Restrict the scope of the explainIndexRange() function in where.c. check-in: c3012452 user: drh tags: trunk | |
Changes
Changes to src/where.c.
2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 |
const char *zFmt = 0;
Index *pIdx;
assert( pLoop->u.btree.pIndex!=0 );
pIdx = pLoop->u.btree.pIndex;
assert( !(flags&WHERE_AUTO_INDEX) || (flags&WHERE_IDX_ONLY) );
if( !HasRowid(pItem->pTab) && IsPrimaryKeyIndex(pIdx) ){
if( pLoop->u.btree.nEq>0
|| (pLoop->wsFlags & (WHERE_BTM_LIMIT|WHERE_TOP_LIMIT))!=0
){
zFmt = "PRIMARY KEY";
}
}else if( flags & WHERE_AUTO_INDEX ){
zFmt = "AUTOMATIC COVERING INDEX";
}else if( flags & WHERE_IDX_ONLY ){
zFmt = "COVERING INDEX %s";
}else{
|
| < < |
2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 |
const char *zFmt = 0;
Index *pIdx;
assert( pLoop->u.btree.pIndex!=0 );
pIdx = pLoop->u.btree.pIndex;
assert( !(flags&WHERE_AUTO_INDEX) || (flags&WHERE_IDX_ONLY) );
if( !HasRowid(pItem->pTab) && IsPrimaryKeyIndex(pIdx) ){
if( isSearch ){
zFmt = "PRIMARY KEY";
}
}else if( flags & WHERE_AUTO_INDEX ){
zFmt = "AUTOMATIC COVERING INDEX";
}else if( flags & WHERE_IDX_ONLY ){
zFmt = "COVERING INDEX %s";
}else{
|