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Overview
| Comment: | Enhance triggers so that they can use table-valued-functions that exist in schemas outside of the schema in which the trigger is defined. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
1fa74930ab56171e2e840d4a5b259aba |
| User & Date: | drh 2018-11-02 17:38:39.450 |
References
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2018-11-05
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| 16:38 | Eponymous virtual tables appear to exist in all schemas. This is an alternative and improved fix to the eponymous virtual table in trigger problem that was previously addressed by checkin [1fa74930ab56171e]. (check-in: b8d35c4a7c user: drh tags: trunk) | |
Context
|
2018-11-03
| ||
| 13:11 | Fix a assert() in the query planner that can arise when doing row-value operations on a PRIMARY KEY that contains duplicate columns. Ticket [1a84668dcfdebaf12415d]. (check-in: dcb8c73594 user: drh tags: trunk) | |
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2018-11-02
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| 17:38 | Enhance triggers so that they can use table-valued-functions that exist in schemas outside of the schema in which the trigger is defined. (check-in: 1fa74930ab user: drh tags: trunk) | |
|
2018-10-31
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| 20:52 | Deploy the sqlite3Strlen30NN() function (argument guaranteed to be non-NULL) for a small performance improvement. (check-in: 4a6ad5190b user: drh tags: trunk) | |
Changes
Changes to src/attach.c.
| ︙ | ︙ | |||
495 496 497 498 499 500 501 |
sqlite3ErrorMsg(pFix->pParse,
"%s %T cannot reference objects in database %s",
pFix->zType, pFix->pName, pItem->zDatabase);
return 1;
}
sqlite3DbFree(pFix->pParse->db, pItem->zDatabase);
pItem->zDatabase = 0;
| > | > | 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 |
sqlite3ErrorMsg(pFix->pParse,
"%s %T cannot reference objects in database %s",
pFix->zType, pFix->pName, pItem->zDatabase);
return 1;
}
sqlite3DbFree(pFix->pParse->db, pItem->zDatabase);
pItem->zDatabase = 0;
if( !pItem->fg.isTabFunc ){
pItem->pSchema = pFix->pSchema;
}
}
#if !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_TRIGGER)
if( sqlite3FixSelect(pFix, pItem->pSelect) ) return 1;
if( sqlite3FixExpr(pFix, pItem->pOn) ) return 1;
#endif
if( pItem->fg.isTabFunc && sqlite3FixExprList(pFix, pItem->u1.pFuncArg) ){
return 1;
|
| ︙ | ︙ |
Changes to test/attach.test.
| ︙ | ︙ | |||
722 723 724 725 726 727 728 729 730 731 732 733 734 735 |
catchsql {
CREATE TRIGGER r5 AFTER INSERT ON t5 BEGIN
DELETE FROM t1 WHERE x<(SELECT min(x) FROM temp.t6);
END;
} db2
} {1 {trigger r5 cannot reference objects in database temp}}
} ;# endif subquery
} ;# endif trigger
# Check to make sure we get a sensible error if unable to open
# the file that we are trying to attach.
#
do_test attach-6.1 {
catchsql {
| > > > > > > > > > > > > > > > > > > > > > > > > > | 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 |
catchsql {
CREATE TRIGGER r5 AFTER INSERT ON t5 BEGIN
DELETE FROM t1 WHERE x<(SELECT min(x) FROM temp.t6);
END;
} db2
} {1 {trigger r5 cannot reference objects in database temp}}
} ;# endif subquery
ifcapable json1 {
do_test attach-5.10 {
db close
forcedelete test.db
sqlite3 db test.db
db eval {
CREATE TABLE t1(x);
CREATE TABLE t2(a,b);
CREATE TRIGGER x1 AFTER INSERT ON t1 BEGIN
INSERT INTO t2(a,b) SELECT key, value FROM json_each(NEW.x);
END;
INSERT INTO t1(x) VALUES('{"a":1}');
SELECT * FROM t2;
}
} {a 1}
do_test attach-5.11 {
sqlite3 db2 :memory:
db2 eval {
CREATE TABLE t3(y);
ATTACH 'test.db' AS aux;
INSERT INTO aux.t1(x) VALUES('{"b":2}');
SELECT * FROM aux.t2;
}
} {a 1 b 2}
} ;# endif json1
} ;# endif trigger
# Check to make sure we get a sensible error if unable to open
# the file that we are trying to attach.
#
do_test attach-6.1 {
catchsql {
|
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