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Fix triggers to work in an ATTACHed database. Ticket #295. (CVS 915)

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FossilOrigin-Name: 1e5e00fb73c308378efd034cb291caf338c9fe84
This commit is contained in:
drh
2003-04-17 22:57:53 +00:00
parent d4d595f94c
commit a69d91681d
12 changed files with 163 additions and 94 deletions
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56
src/build.c
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@@ -23,7 +23,7 @@
** ROLLBACK
** PRAGMA
**
** $Id: build.c,v 1.145 2003/04/15 01:19:48 drh Exp $
** $Id: build.c,v 1.146 2003/04/17 22:57:53 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -109,7 +109,10 @@ void sqliteExec(Parse *pParse){
/*
** Locate the in-memory structure that describes
** a particular database table given the name
** of that table. Return NULL if not found.
** of that table and (optionally) the name of the database
** containing the table. Return NULL if not found.
**
** See also sqliteLocateTable().
*/
Table *sqliteFindTable(sqlite *db, const char *zName, const char *zDatabase){
Table *p = 0;
@@ -125,7 +128,48 @@ Table *sqliteFindTable(sqlite *db, const char *zName, const char *zDatabase){
/*
** Locate the in-memory structure that describes
** a particular index given the name of that index.
** a particular database table given the name
** of that table and (optionally) the name of the database
** containing the table. Return NULL if not found.
**
** If pParse->useDb is not negative, then the table must be
** located in that database. If a different database is specified,
** an error message is generated into pParse->zErrMsg.
*/
Table *sqliteLocateTable(Parse *pParse, const char *zName, const char *zDbase){
sqlite *db;
const char *zUse;
Table *p;
db = pParse->db;
if( pParse->useDb<0 ){
p = sqliteFindTable(db, zName, zDbase);
}else {
assert( pParse->useDb<db->nDb );
assert( db->aDb[pParse->useDb].pBt!=0 );
zUse = db->aDb[pParse->useDb].zName;
if( zDbase && pParse->useDb!=1 && sqliteStrICmp(zDbase, zUse)!=0 ){
sqliteErrorMsg(pParse,"cannot use database %s in this context", zDbase);
return 0;
}
p = sqliteFindTable(db, zName, zUse);
if( p==0 && pParse->useDb==1 && zDbase==0 ){
p = sqliteFindTable(db, zName, 0);
}
}
if( p==0 ){
if( zDbase ){
sqliteErrorMsg(pParse, "no such table: %s.%s", zDbase, zName);
}else{
sqliteErrorMsg(pParse, "no such table: %s", zName);
}
}
return p;
}
/*
** Locate the in-memory structure that describes
** a particular index given the name of that index
** and the name of the database that contains the index.
** Return NULL if not found.
*/
Index *sqliteFindIndex(sqlite *db, const char *zName, const char *zDb){
@@ -2078,7 +2122,13 @@ void sqliteBeginWriteOperation(Parse *pParse, int setCheckpoint, int tempOnly){
if( (pParse->db->flags & SQLITE_InTrans)==0 ){
sqliteVdbeAddOp(v, OP_Transaction, 1, 0);
if( !tempOnly ){
int i;
sqlite *db = pParse->db;
sqliteVdbeAddOp(v, OP_Transaction, 0, 0);
for(i=2; i<db->nDb; i++){
if( db->aDb[i].pBt==0 ) continue;
sqliteVdbeAddOp(v, OP_Transaction, i, 0);
}
sqliteCodeVerifySchema(pParse);
}
}else if( setCheckpoint ){