database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-15 11:41:13 +03:00
Code Activity

Record the database name in addition to the table name for DELETE, INSERT,

Browse Source 
and UPDATE statements. (CVS 879)

FossilOrigin-Name: a5d8fc95ee58dc3205a0bbbcadaa3b9c902a941b
This commit is contained in:
drh
2003-03-20 01:16:58 +00:00
parent 001bbcbb8f
commit 113088ec68
13 changed files with 169 additions and 138 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
src/update.c
View File

@@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle UPDATE statements.
**
** $Id: update.c,v 1.54 2003/03/19 03:14:02 drh Exp $
** $Id: update.c,v 1.55 2003/03/20 01:16:59 drh Exp $
*/
#include "sqliteInt.h"
@@ -21,14 +21,14 @@
*/
void sqliteUpdate(
Parse *pParse, /* The parser context */
Token *pTableName, /* The table in which we should change things */
SrcList *pTabList, /* The table in which we should change things */
ExprList *pChanges, /* Things to be changed */
Expr *pWhere, /* The WHERE clause. May be null */
int onError /* How to handle constraint errors */
){
int i, j; /* Loop counters */
char *zTab; /* Name of the table to be updated */
Table *pTab; /* The table to be updated */
SrcList *pTabList = 0; /* Fake FROM clause containing only pTab */
int addr; /* VDBE instruction address of the start of the loop */
WhereInfo *pWInfo; /* Information about the WHERE clause */
Vdbe *v; /* The virtual database engine */
@@ -53,28 +53,27 @@ void sqliteUpdate(
if( pParse->nErr || sqlite_malloc_failed ) goto update_cleanup;
db = pParse->db;
assert( pTabList->nSrc==1 );
/* Check for the special case of a VIEW with one or more ON UPDATE triggers
* defined
*/
{
char *zTab = sqliteTableNameFromToken(pTableName);
zTab = pTabList->a[0].zName;
if( zTab != 0 ){
pTab = sqliteFindTable(pParse->db, zTab);
if( pTab ){
row_triggers_exist =
sqliteTriggersExist(pParse, pTab->pTrigger,
TK_UPDATE, TK_BEFORE, TK_ROW, pChanges) ||
sqliteTriggersExist(pParse, pTab->pTrigger,
TK_UPDATE, TK_AFTER, TK_ROW, pChanges);
}
if( zTab != 0 ){
pTab = sqliteFindTable(pParse->db, zTab);
if( pTab ){
row_triggers_exist =
sqliteTriggersExist(pParse, pTab->pTrigger,
TK_UPDATE, TK_BEFORE, TK_ROW, pChanges) ||
sqliteTriggersExist(pParse, pTab->pTrigger,
TK_UPDATE, TK_AFTER, TK_ROW, pChanges);
}
sqliteFree(zTab);
if( row_triggers_exist && pTab->pSelect ){
/* Just fire VIEW triggers */
sqliteViewTriggers(pParse, pTab, pWhere, onError, pChanges);
return;
}
if( row_triggers_exist && pTab->pSelect ){
/* Just fire VIEW triggers */
sqliteSrcListDelete(pTabList);
sqliteViewTriggers(pParse, pTab, pWhere, onError, pChanges);
return;
}
}
@@ -83,9 +82,8 @@ void sqliteUpdate(
** will be calling are designed to work with multiple tables and expect
** an SrcList* parameter instead of just a Table* parameter.
*/
pTabList = sqliteTableTokenToSrcList(pParse, pTableName);
if( pTabList==0 ) goto update_cleanup;
pTab = pTabList->a[0].pTab;
pTab = pTabList->a[0].pTab = sqliteTableNameToTable(pParse, zTab);
if( pTab==0 ) goto update_cleanup;
assert( pTab->pSelect==0 ); /* This table is not a VIEW */
aXRef = sqliteMalloc( sizeof(int) * pTab->nCol );
if( aXRef==0 ) goto update_cleanup;