Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
| Comment: | Fix a problem with resolving "db.view.column" references that appear in UPDATE or DELETE statements executed against views. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
ddee56c9b2b591b9386b1072c3b3a699 |
| User & Date: | dan 2013-03-09 14:40:24 |
Context
|
2013-03-09
| ||
| 14:49 | Add a test case for the problem fixed by the previous commit. check-in: e899b058 user: dan tags: trunk | |
| 14:40 | Fix a problem with resolving "db.view.column" references that appear in UPDATE or DELETE statements executed against views. check-in: ddee56c9 user: dan tags: trunk | |
|
2013-03-08
| ||
| 18:16 | If SQLITE_OMIT_UTF16 is defined, avoid setting the 'enc' field of Schema objects to any value except SQLITE_UTF8. Otherwise, assert() statements may fail or spurious SQLITE_NOMEM errors may be returned at the vdbe level later on. check-in: f2fecfb2 user: dan tags: trunk | |
Changes
Changes to src/delete.c.
89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 |
void sqlite3MaterializeView(
Parse *pParse, /* Parsing context */
Table *pView, /* View definition */
Expr *pWhere, /* Optional WHERE clause to be added */
int iCur /* Cursor number for ephemerial table */
){
SelectDest dest;
Select *pDup;
sqlite3 *db = pParse->db;
pDup = sqlite3SelectDup(db, pView->pSelect, 0);
if( pWhere ){
SrcList *pFrom;
pWhere = sqlite3ExprDup(db, pWhere, 0);
pFrom = sqlite3SrcListAppend(db, 0, 0, 0);
if( pFrom ){
assert( pFrom->nSrc==1 );
pFrom->a[0].zAlias = sqlite3DbStrDup(db, pView->zName);
pFrom->a[0].pSelect = pDup;
assert( pFrom->a[0].pOn==0 );
assert( pFrom->a[0].pUsing==0 );
}else{
sqlite3SelectDelete(db, pDup);
}
pDup = sqlite3SelectNew(pParse, 0, pFrom, pWhere, 0, 0, 0, 0, 0, 0);
if( pDup ) pDup->selFlags |= SF_Materialize;
}
sqlite3SelectDestInit(&dest, SRT_EphemTab, iCur);
sqlite3Select(pParse, pDup, &dest);
sqlite3SelectDelete(db, pDup);
}
#endif /* !defined(SQLITE_OMIT_VIEW) && !defined(SQLITE_OMIT_TRIGGER) */
#if defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT) && !defined(SQLITE_OMIT_SUBQUERY)
/*
** Generate an expression tree to implement the WHERE, ORDER BY,
** and LIMIT/OFFSET portion of DELETE and UPDATE statements.
|
| > < | < < | | | > | | | < > | | < < | > | | | | | |
89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 |
void sqlite3MaterializeView(
Parse *pParse, /* Parsing context */
Table *pView, /* View definition */
Expr *pWhere, /* Optional WHERE clause to be added */
int iCur /* Cursor number for ephemerial table */
){
SelectDest dest;
Select *pSel;
SrcList *pFrom;
sqlite3 *db = pParse->db;
int iDb = sqlite3SchemaToIndex(db, pView->pSchema);
pWhere = sqlite3ExprDup(db, pWhere, 0);
pFrom = sqlite3SrcListAppend(db, 0, 0, 0);
if( pFrom ){
assert( pFrom->nSrc==1 );
pFrom->a[0].zName = sqlite3DbStrDup(db, pView->zName);
pFrom->a[0].zDatabase = sqlite3DbStrDup(db, db->aDb[iDb].zName);
assert( pFrom->a[0].pOn==0 );
assert( pFrom->a[0].pUsing==0 );
}
pSel = sqlite3SelectNew(pParse, 0, pFrom, pWhere, 0, 0, 0, 0, 0, 0);
if( pSel ) pSel->selFlags |= SF_Materialize;
sqlite3SelectDestInit(&dest, SRT_EphemTab, iCur);
sqlite3Select(pParse, pSel, &dest);
sqlite3SelectDelete(db, pSel);
}
#endif /* !defined(SQLITE_OMIT_VIEW) && !defined(SQLITE_OMIT_TRIGGER) */
#if defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT) && !defined(SQLITE_OMIT_SUBQUERY)
/*
** Generate an expression tree to implement the WHERE, ORDER BY,
** and LIMIT/OFFSET portion of DELETE and UPDATE statements.
|
Changes to test/auth.test.
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
....
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
|
}
set authargs
} [list \
SQLITE_UPDATE v1 x main {} \
SQLITE_SELECT {} {} {} v1 \
SQLITE_READ t2 a main v1 \
SQLITE_READ t2 b main v1 \
SQLITE_SELECT {} {} {} {} \
SQLITE_READ v1 x main v1 \
SQLITE_INSERT v1chng {} main r2 \
SQLITE_READ v1 x main r2 \
SQLITE_READ v1 x main r2 \
]
do_test auth-4.4 {
................................................................................
}
set authargs
} [list \
SQLITE_DELETE v1 {} main {} \
SQLITE_SELECT {} {} {} v1 \
SQLITE_READ t2 a main v1 \
SQLITE_READ t2 b main v1 \
SQLITE_SELECT {} {} {} {} \
SQLITE_READ v1 x main v1 \
SQLITE_INSERT v1chng {} main r3 \
SQLITE_READ v1 x main r3 \
]
} ;# ifcapable view && trigger
|
>
>
|
>
>
|
|
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
....
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
|
}
set authargs
} [list \
SQLITE_UPDATE v1 x main {} \
SQLITE_SELECT {} {} {} v1 \
SQLITE_READ t2 a main v1 \
SQLITE_READ t2 b main v1 \
SQLITE_READ v1 x main v1 \
SQLITE_READ v1 x main v1 \
SQLITE_SELECT {} {} {} v1 \
SQLITE_READ v1 x main v1 \
SQLITE_INSERT v1chng {} main r2 \
SQLITE_READ v1 x main r2 \
SQLITE_READ v1 x main r2 \
]
do_test auth-4.4 {
................................................................................
}
set authargs
} [list \
SQLITE_DELETE v1 {} main {} \
SQLITE_SELECT {} {} {} v1 \
SQLITE_READ t2 a main v1 \
SQLITE_READ t2 b main v1 \
SQLITE_READ v1 x main v1 \
SQLITE_READ v1 x main v1 \
SQLITE_SELECT {} {} {} v1 \
SQLITE_READ v1 x main v1 \
SQLITE_INSERT v1chng {} main r3 \
SQLITE_READ v1 x main r3 \
]
} ;# ifcapable view && trigger
|