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Overview
| Comment: | When doing a DROP VIEW do not try to delete entries from the sqlite_stat1 table as there are none. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
7efdba2bbc8547ee9292a1bbd1e61d38 |
| User & Date: | drh 2018-07-27 22:55:58.128 |
Context
|
2018-07-27
| ||
| 23:33 | Improvements to the parser to increase coverage. Fix the parser so that at least one expresssion is required after PARTITION BY and within the list of expressions on VALUES(). (check-in: 02204f8b24 user: drh tags: trunk) | |
| 22:55 | When doing a DROP VIEW do not try to delete entries from the sqlite_stat1 table as there are none. (check-in: 7efdba2bbc user: drh tags: trunk) | |
| 22:14 | Minor grammar changes that help the parser run faster by reducing the number of NUL rule reductions. (check-in: cfd1b00592 user: drh tags: trunk) | |
|
2018-07-22
| ||
| 00:45 | Remove an unused branch in the FK logic. (Closed-Leaf check-in: 523ff77925 user: drh tags: dropViewNoStat) | |
Changes
Changes to src/build.c.
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2658 2659 2660 2661 2662 2663 2664 |
/* Generate code to remove the table from the master table
** on disk.
*/
v = sqlite3GetVdbe(pParse);
if( v ){
sqlite3BeginWriteOperation(pParse, 1, iDb);
| > | | > | 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 |
/* Generate code to remove the table from the master table
** on disk.
*/
v = sqlite3GetVdbe(pParse);
if( v ){
sqlite3BeginWriteOperation(pParse, 1, iDb);
if( !isView ){
sqlite3ClearStatTables(pParse, iDb, "tbl", pTab->zName);
sqlite3FkDropTable(pParse, pName, pTab);
}
sqlite3CodeDropTable(pParse, pTab, iDb, isView);
}
exit_drop_table:
sqlite3SrcListDelete(db, pName);
}
|
| ︙ | ︙ |
Changes to src/fkey.c.
| ︙ | ︙ | |||
706 707 708 709 710 711 712 |
**
** then the equivalent of "DELETE FROM <tbl>" is executed before dropping
** the table from the database. Triggers are disabled while running this
** DELETE, but foreign key actions are not.
*/
void sqlite3FkDropTable(Parse *pParse, SrcList *pName, Table *pTab){
sqlite3 *db = pParse->db;
| | > | 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 |
**
** then the equivalent of "DELETE FROM <tbl>" is executed before dropping
** the table from the database. Triggers are disabled while running this
** DELETE, but foreign key actions are not.
*/
void sqlite3FkDropTable(Parse *pParse, SrcList *pName, Table *pTab){
sqlite3 *db = pParse->db;
if( (db->flags&SQLITE_ForeignKeys) && !IsVirtual(pTab) ){
int iSkip = 0;
Vdbe *v = sqlite3GetVdbe(pParse);
assert( v ); /* VDBE has already been allocated */
assert( pTab->pSelect==0 ); /* Not a view */
if( sqlite3FkReferences(pTab)==0 ){
/* Search for a deferred foreign key constraint for which this table
** is the child table. If one cannot be found, return without
** generating any VDBE code. If one can be found, then jump over
** the entire DELETE if there are no outstanding deferred constraints
** when this statement is run. */
FKey *p;
|
| ︙ | ︙ |
Changes to test/view.test.
| ︙ | ︙ | |||
670 671 672 673 674 675 676 677 678 |
} {123 234 345}
do_test view-22.2 {
unset -nocomplain x
db eval {SELECT * FROM x1} x break
lsort [array names x]
} {{} * :1 :2}
finish_test
| > > > > > > > > > > > > > > > > > > > > > > | 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 |
} {123 234 345}
do_test view-22.2 {
unset -nocomplain x
db eval {SELECT * FROM x1} x break
lsort [array names x]
} {{} * :1 :2}
do_test view-25.1 {
db eval {
CREATE TABLE t25 (x);
INSERT INTO t25 (x) VALUES (1);
ANALYZE;
}
proc authLogDelete {code arg1 arg2 arg3 arg4 args} {
if {$code=="SQLITE_DELETE" && [string match sqlite_stat* $arg1]} {
lappend ::log [list $code $arg1 $arg2 $arg3 $arg4 $args]
}
return SQLITE_OK
}
set log ""
db authorizer ::authLogDelete
db eval {DROP VIEW x1;}
set log
} {}
do_test view-25.2 {
set log ""
db eval {DROP TABLE t25;}
set log
} {{SQLITE_DELETE sqlite_stat1 {} main {} {}}}
finish_test
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