Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Changes In Branch left-join-fix Excluding Merge-Ins
This is equivalent to a diff from d2d30914 to 8bed4cd5
2016-12-01
| ||
19:58 | Avoid clearing the EP_FromJoin flag from terms in ON clauses when flattening sub-selects. Possible fix for [2df0107b]. (check-in: a427c405 user: dan tags: trunk) | |
19:38 | Avoid clearing the EP_FromJoin flag from terms in ON clauses when flattening sub-selects. Possible fix for [2df0107b]. (Closed-Leaf check-in: 8bed4cd5 user: dan tags: left-join-fix) | |
18:57 | Performance improvement for GLOB and LIKE matching for patterns with two or more multi-character wildcards ("*" or "%"). (check-in: 2df0ebf9 user: drh tags: trunk) | |
17:34 | Modify the patternCompare() function (used for GLOB, LIKE) to better handle patterns containing multiple wildcard characters ("*", "%"). (check-in: c5e5614d user: dan tags: pattern-compare-optimization) | |
2016-11-30
| ||
16:54 | Add the remember(V,PTR) extension function which copies an SQL value into an application variable. (check-in: d2d30914 user: drh tags: trunk) | |
14:47 | Fix then handling of the (oversized) integer literal -0x8000000000000000. (check-in: 3816bb41 user: drh tags: trunk) | |
2016-08-09
| ||
21:08 | Prototype for the remember(V,PTR) extension function. (Closed-Leaf check-in: f0942c36 user: drh tags: rememberFunc) | |
Changes to src/select.c.
︙ | |||
3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 | 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 | + + + + | if( pExpr->iColumn<0 ){ pExpr->op = TK_NULL; }else{ Expr *pNew; assert( pEList!=0 && pExpr->iColumn<pEList->nExpr ); assert( pExpr->pLeft==0 && pExpr->pRight==0 ); pNew = sqlite3ExprDup(db, pEList->a[pExpr->iColumn].pExpr, 0); if( pNew && (pExpr->flags & EP_FromJoin) ){ pNew->iRightJoinTable = pExpr->iRightJoinTable; pNew->flags |= EP_FromJoin; } sqlite3ExprDelete(db, pExpr); pExpr = pNew; } }else{ pExpr->pLeft = substExpr(db, pExpr->pLeft, iTable, pEList); pExpr->pRight = substExpr(db, pExpr->pRight, iTable, pEList); if( ExprHasProperty(pExpr, EP_xIsSelect) ){ |
︙ |
Changes to test/join5.test.
︙ | |||
9 10 11 12 13 14 15 | 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | - + | # #*********************************************************************** # This file implements regression tests for SQLite library. # # This file implements tests for left outer joins containing ON # clauses that restrict the scope of the left term of the join. # |
︙ | |||
179 180 181 182 183 184 185 186 187 | 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 | + + + + + + + + + + + + + + + + + + + + + + + + + + + + | ) c ON b.fruit='banana'; } {apple apple {} banana banana 1} do_execsql_test join6-4.2 { SELECT * FROM (SELECT 'apple' fruit UNION ALL SELECT 'banana') LEFT JOIN (SELECT 1) ON fruit='banana'; } {apple {} banana 1} #------------------------------------------------------------------------- do_execsql_test 5.0 { CREATE TABLE y1(x, y, z); INSERT INTO y1 VALUES(0, 0, 1); CREATE TABLE y2(a); } do_execsql_test 5.1 { SELECT count(z) FROM y1 LEFT JOIN y2 ON x GROUP BY y; } 1 do_execsql_test 5.2 { SELECT count(z) FROM ( SELECT * FROM y1 ) LEFT JOIN y2 ON x GROUP BY y; } 1 do_execsql_test 5.3 { CREATE VIEW v1 AS SELECT x, y, z FROM y1; SELECT count(z) FROM v1 LEFT JOIN y2 ON x GROUP BY y; } 1 do_execsql_test 5.4 { SELECT count(z) FROM ( SELECT * FROM y1 ) LEFT JOIN y2 ON x } 1 do_execsql_test 5.5 { SELECT * FROM ( SELECT * FROM y1 ) LEFT JOIN y2 ON x } {0 0 1 {}} finish_test |