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Overview
Comment: | Make sure that virtual WHERE-clause terms do not get transformed into real terms when processing set of OR-connected terms. Fix for ticket [4c86b126f22ad]. |
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Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
c950d6c4117d076f871518e738cdf9e8 |
User & Date: | drh 2014-02-11 01:50:29 |
Context
2014-02-11
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14:37 | Fixes to the "editline" support in the command-line shell. (check-in: 7989ce5f user: drh tags: trunk) | |
04:30 | Sync the latest trunk changes, and in particular the STAT4 IS NOT NULL fix. (check-in: b0067926 user: drh tags: sessions) | |
03:50 | Make sure that virtual WHERE-clause terms do not get transformed into real terms when processing set of OR-connected terms. Fix for ticket [4c86b126f22ad]. (check-in: de635e09 user: drh tags: branch-3.8.3) | |
01:50 | Make sure that virtual WHERE-clause terms do not get transformed into real terms when processing set of OR-connected terms. Fix for ticket [4c86b126f22ad]. (check-in: c950d6c4 user: drh tags: trunk) | |
2014-02-10
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21:07 | Fix a pointless conditional. Add a test case. (check-in: 9367632d user: drh tags: trunk) | |
Changes
Changes to src/where.c.
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3311 3312 3313 3314 3315 3316 3317 | */ if( pWC->nTerm>1 ){ int iTerm; for(iTerm=0; iTerm<pWC->nTerm; iTerm++){ Expr *pExpr = pWC->a[iTerm].pExpr; if( &pWC->a[iTerm] == pTerm ) continue; if( ExprHasProperty(pExpr, EP_FromJoin) ) continue; | > > | | 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 | */ if( pWC->nTerm>1 ){ int iTerm; for(iTerm=0; iTerm<pWC->nTerm; iTerm++){ Expr *pExpr = pWC->a[iTerm].pExpr; if( &pWC->a[iTerm] == pTerm ) continue; if( ExprHasProperty(pExpr, EP_FromJoin) ) continue; testcase( pWC->a[iTerm].wtFlags & TERM_ORINFO ); testcase( pWC->a[iTerm].wtFlags & TERM_VIRTUAL ); if( pWC->a[iTerm].wtFlags & (TERM_ORINFO|TERM_VIRTUAL) ) continue; if( (pWC->a[iTerm].eOperator & WO_ALL)==0 ) continue; pExpr = sqlite3ExprDup(db, pExpr, 0); pAndExpr = sqlite3ExprAnd(db, pAndExpr, pExpr); } if( pAndExpr ){ pAndExpr = sqlite3PExpr(pParse, TK_AND, 0, pAndExpr, 0); } |
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Added test/tkt-4c86b126f2.test.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | # 2014-02-11 # # The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # This file implements regression tests for SQLite library. Specifically, # it tests that ticket [4c86b126f22ad548fee0125337bdc9366912d9ac]. # # When SQLite is compiled using SQLITE_ENABLE_STAT3 or SQLITE_ENABLE_STAT4, # it gets the wrong answer... # # The problem was introduced in SQLite 3.8.1. set testdir [file dirname $argv0] source $testdir/tester.tcl do_execsql_test tkt-4c86b126f2-1.1 { CREATE TABLE nodes( local_relpath TEXT PRIMARY KEY, moved_to TEXT ); INSERT INTO nodes VALUES('A',NULL); INSERT INTO nodes VALUES('A/B',NULL); INSERT INTO nodes VALUES('',NULL); INSERT INTO nodes VALUES('A/B/C-move',NULL); INSERT INTO nodes VALUES('A/B/C','A/B/C-move'); INSERT INTO nodes VALUES('A/B-move',NULL); INSERT INTO nodes VALUES('A/B-move/C-move',NULL); INSERT INTO nodes VALUES('A/B-move/C','x'); SELECT local_relpath, moved_to FROM nodes WHERE (local_relpath = 'A/B' OR ((local_relpath > 'A/B/') AND (local_relpath < 'A/B0'))) AND moved_to IS NOT NULL; } {A/B/C A/B/C-move} do_execsql_test tkt-4c86b126f2-2.1 { CREATE TABLE t1(x TEXT UNIQUE, y TEXT UNIQUE, z); INSERT INTO t1 VALUES('ghi','jkl','y'); SELECT * FROM t1 WHERE (x='ghi' OR y='jkl') AND z IS NOT NULL; } {ghi jkl y} finish_test |
Changes to test/where8.test.
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206 207 208 209 210 211 212 | execsql_status { SELECT a, d FROM t1, t2 WHERE (a = 2 OR a = 3) AND d = a } } {2 2 3 3 0 0} do_test where8-3.5 { execsql_status { | | | | 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 | execsql_status { SELECT a, d FROM t1, t2 WHERE (a = 2 OR a = 3) AND d = a } } {2 2 3 3 0 0} do_test where8-3.5 { execsql_status { SELECT a, d FROM t1, t2 WHERE (a = 2 OR a = 3) AND (d = +a OR e = 'sixteen') ORDER BY +a, +d; } } {2 2 2 4 3 3 3 4 0 1} do_test where8-3.6 { # The first part of the WHERE clause in this query, (a=2 OR a=3) is # transformed into "a IN (2, 3)". This is why the sort is required. # execsql_status { SELECT a, d FROM t1, t2 WHERE (a = 2 OR a = 3) AND (d = +a OR e = 'sixteen') ORDER BY t1.rowid } } {2 2 2 4 3 3 3 4 0 1} do_test where8-3.7 { execsql_status { SELECT a, d FROM t1, t2 |
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