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Overview
| Comment: | Fix a bug parsing "<expr> AND (abc NEAR def)" in fts3_expr.c. (CVS 6091) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
d1a6a2edd799d65ff88510df951e9099 |
| User & Date: | danielk1977 2009-01-01 04:19:51 |
Context
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2009-01-01
| ||
| 07:08 | Add pseudo-random tests of the fts3 expression parser. Revise the fix in (6091). (CVS 6092) check-in: 11c2d468 user: danielk1977 tags: trunk | |
| 04:19 | Fix a bug parsing "<expr> AND (abc NEAR def)" in fts3_expr.c. (CVS 6091) check-in: d1a6a2ed user: danielk1977 tags: trunk | |
|
2008-12-31
| ||
| 21:52 | Avoid surplus bytes at the end of the keyword string table. Add testcase() macros to make sure all keywords are used during testing. (CVS 6090) check-in: 73958060 user: drh tags: trunk | |
Changes
Changes to ext/fts3/fts3_expr.c.
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pNot->pRight = p;
if( pNotBranch ){
pNotBranch->pLeft = p;
pNot->pRight = pNotBranch;
}
pNotBranch = pNot;
}else{
assert( p->eType!=FTSQUERY_PHRASE || !p->pPhrase->isNot );
isPhrase = (p->eType==FTSQUERY_PHRASE || p->pLeft);
if( !isPhrase && isRequirePhrase ){
sqlite3Fts3ExprFree(p);
rc = SQLITE_ERROR;
goto exprparse_out;
}
if( isPhrase && !isRequirePhrase ){
................................................................................
memset(pAnd, 0, sizeof(Fts3Expr));
pAnd->eType = FTSQUERY_AND;
insertBinaryOperator(&pRet, pPrev, pAnd);
pPrev = pAnd;
}
if( pPrev && (
(pPrev->eType==FTSQUERY_NEAR && p->eType!=FTSQUERY_PHRASE)
|| (p->eType==FTSQUERY_NEAR && pPrev->eType!=FTSQUERY_PHRASE)
)){
/* This is an attempt to do "phrase NEAR (bracketed expression)"
** or "(bracketed expression) NEAR phrase", both of which are
** illegal. Return an error.
*/
sqlite3Fts3ExprFree(p);
rc = SQLITE_ERROR;
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pNot->pRight = p;
if( pNotBranch ){
pNotBranch->pLeft = p;
pNot->pRight = pNotBranch;
}
pNotBranch = pNot;
}else{
int eType = p->eType;
assert( eType!=FTSQUERY_PHRASE || !p->pPhrase->isNot );
isPhrase = (eType==FTSQUERY_PHRASE || p->pLeft);
if( !isPhrase && isRequirePhrase ){
sqlite3Fts3ExprFree(p);
rc = SQLITE_ERROR;
goto exprparse_out;
}
if( isPhrase && !isRequirePhrase ){
................................................................................
memset(pAnd, 0, sizeof(Fts3Expr));
pAnd->eType = FTSQUERY_AND;
insertBinaryOperator(&pRet, pPrev, pAnd);
pPrev = pAnd;
}
if( pPrev && (
(pPrev->eType==FTSQUERY_NEAR && eType!=FTSQUERY_PHRASE)
|| (eType==FTSQUERY_NEAR && pPrev->eType!=FTSQUERY_PHRASE && !isPhrase)
)){
/* This is an attempt to do "phrase NEAR (bracketed expression)"
** or "(bracketed expression) NEAR phrase", both of which are
** illegal. Return an error.
*/
sqlite3Fts3ExprFree(p);
rc = SQLITE_ERROR;
|
Changes to test/fts3expr.test.
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# 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. The # focus of this script is testing the FTS3 module. # # $Id: fts3expr.test,v 1.1 2008/12/17 15:18:18 danielk1977 Exp $ # set testdir [file dirname $argv0] source $testdir/tester.tcl # If SQLITE_ENABLE_FTS3 is defined, omit this file. ifcapable !fts3 { ................................................................................ do_test fts3expr-3.3 { test_fts3expr2 "(ab OR cd)" } {OR ab cd} do_test fts3expr-3.4 { test_fts3expr2 "(((ab OR cd)))" } {OR ab cd} #------------------------------------------------------------------------ # The following tests, fts3expr-4.*, test the parsers response to syntax # errors in query expressions. This is done using a real fts3 table and # MATCH clauses, not the parser test interface. # do_test fts3expr-4.1 { execsql { CREATE VIRTUAL TABLE t1 USING fts3(a, b, c) } |
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# 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. The # focus of this script is testing the FTS3 module. # # $Id: fts3expr.test,v 1.2 2009/01/01 04:19:51 danielk1977 Exp $ # set testdir [file dirname $argv0] source $testdir/tester.tcl # If SQLITE_ENABLE_FTS3 is defined, omit this file. ifcapable !fts3 { ................................................................................ do_test fts3expr-3.3 { test_fts3expr2 "(ab OR cd)" } {OR ab cd} do_test fts3expr-3.4 { test_fts3expr2 "(((ab OR cd)))" } {OR ab cd} do_test fts3expr-3.5 { test_fts3expr2 "one AND (two NEAR three)" } {AND one {NEAR/10 two three}} #------------------------------------------------------------------------ # The following tests, fts3expr-4.*, test the parsers response to syntax # errors in query expressions. This is done using a real fts3 table and # MATCH clauses, not the parser test interface. # do_test fts3expr-4.1 { execsql { CREATE VIRTUAL TABLE t1 USING fts3(a, b, c) } |