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Overview
| Comment: | Fix an imbalanced lock problem in sqlite3Normalize() introduced by the simplification in [94ea6379178e3ff6a]. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
f69624373e33c4d370a9264a317ffdb0 |
| User & Date: | drh 2018-12-05 21:55:39 |
Context
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2018-12-05
| ||
| 23:45 | The sqlite3_normalized_sql() interface should not be transforming quoted identifier names into wildcards. Fix this, and at the same time simplify the code substantially. check-in: e8540377 user: drh tags: trunk | |
| 23:25 | Bungled checkin. Ignore. Closed-Leaf check-in: 9b6e9a6e user: drh tags: mistake | |
| 21:55 | Fix an imbalanced lock problem in sqlite3Normalize() introduced by the simplification in [94ea6379178e3ff6a]. check-in: f6962437 user: drh tags: trunk | |
| 19:42 | Increase the version number to 3.27.0 for the next development cycle. check-in: 8f8d6828 user: drh tags: trunk | |
Changes
Changes to src/prepare.c.
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zId = zSpace;
}else{
zId = sqlite3DbStrNDup(db, zToken, nToken);
if( zId==0 ) return 0;
}
if( sqlite3IsRowid(zId) ){
bFound = 1;
goto done;
}
if( nToken>0 ){
int hash = SQLITE_FUNC_HASH(sqlite3UpperToLower[(u8)zToken[0]], nToken);
if( sqlite3FunctionSearch(hash, zId) ){
bFound = 1;
goto done;
}
}
assert( db!=0 );
sqlite3_mutex_enter(db->mutex);
sqlite3BtreeEnterAll(db);
for(i=0; i<db->nDb; i++){
pHash = &db->aFunc;
................................................................................
for(j=0; j<pTab->nCol; j++){
Column *pCol = &pTab->aCol[j];
sqlite3HashInsert(pHash, pCol->zName, pCol);
}
}else{
*pRc = SQLITE_NOMEM_BKPT;
bFound = 0;
goto done;
}
}
if( pHash && sqlite3HashFind(pHash, zId) ){
bFound = 1;
goto done;
}
}
}
done:
sqlite3BtreeLeaveAll(db);
sqlite3_mutex_leave(db->mutex);
if( zId!=zSpace ) sqlite3DbFree(db, zId);
return bFound;
}
/*
** Attempt to estimate the final output buffer size needed for the fully
** normalized version of the specified SQL string. This should take into
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zId = zSpace;
}else{
zId = sqlite3DbStrNDup(db, zToken, nToken);
if( zId==0 ) return 0;
}
if( sqlite3IsRowid(zId) ){
bFound = 1;
goto done1;
}
if( nToken>0 ){
int hash = SQLITE_FUNC_HASH(sqlite3UpperToLower[(u8)zToken[0]], nToken);
if( sqlite3FunctionSearch(hash, zId) ){
bFound = 1;
goto done1;
}
}
assert( db!=0 );
sqlite3_mutex_enter(db->mutex);
sqlite3BtreeEnterAll(db);
for(i=0; i<db->nDb; i++){
pHash = &db->aFunc;
................................................................................
for(j=0; j<pTab->nCol; j++){
Column *pCol = &pTab->aCol[j];
sqlite3HashInsert(pHash, pCol->zName, pCol);
}
}else{
*pRc = SQLITE_NOMEM_BKPT;
bFound = 0;
goto done2;
}
}
if( pHash && sqlite3HashFind(pHash, zId) ){
bFound = 1;
goto done2;
}
}
}
done2:
sqlite3BtreeLeaveAll(db);
sqlite3_mutex_leave(db->mutex);
done1:
if( zId!=zSpace ) sqlite3DbFree(db, zId);
return bFound;
}
/*
** Attempt to estimate the final output buffer size needed for the fully
** normalized version of the specified SQL string. This should take into
|
Changes to test/normalize.test.
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set STMT [sqlite3_prepare_v3 $DB \
"SELECT a, b FROM t1 WHERE b = ? ORDER BY a;" -1 0 TAIL]
sqlite3_bind_null $STMT 1
} {}
do_test 202 {
sqlite3_normalized_sql $STMT
} {}
do_test 203 {
sqlite3_finalize $STMT
} {SQLITE_OK}
do_test 210 {
set STMT [sqlite3_prepare_v3 $DB \
"SELECT a, b FROM t1 WHERE b = ? ORDER BY a;" -1 2 TAIL]
|
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82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 |
set STMT [sqlite3_prepare_v3 $DB \
"SELECT a, b FROM t1 WHERE b = ? ORDER BY a;" -1 0 TAIL]
sqlite3_bind_null $STMT 1
} {}
do_test 202 {
sqlite3_normalized_sql $STMT
} {SELECT a,b FROM t1 WHERE b=?ORDER BY a;}
do_test 203 {
sqlite3_finalize $STMT
} {SQLITE_OK}
do_test 210 {
set STMT [sqlite3_prepare_v3 $DB \
"SELECT a, b FROM t1 WHERE b = ? ORDER BY a;" -1 2 TAIL]
|