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Fix a crash caused by adding a trigger to a shared-schema and then deleting it

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using a different connection. (CVS 2873)

FossilOrigin-Name: 19f93e135f1ff4f987d14afe74b955e119904017
This commit is contained in:
danielk1977
2006-01-06 15:03:48 +00:00
parent 0739723d76
commit aaf22685d7
5 changed files with 68 additions and 19 deletions
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9
src/trigger.c
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@@ -164,7 +164,7 @@ void sqlite3BeginTrigger(
zName = 0;
pTrigger->table = sqliteStrDup(pTableName->a[0].zName);
pTrigger->pSchema = db->aDb[iDb].pSchema;
pTrigger->iTabDb = iTabDb;
pTrigger->pTabSchema = pTab->pSchema;
pTrigger->op = op;
pTrigger->tr_tm = tr_tm==TK_BEFORE ? TRIGGER_BEFORE : TRIGGER_AFTER;
pTrigger->pWhen = sqlite3ExprDup(pWhen);
@@ -249,6 +249,7 @@ void sqlite3FinishTrigger(
}
if( db->init.busy ){
int n;
Table *pTab;
Trigger *pDel;
pDel = sqlite3HashInsert(&db->aDb[iDb].pSchema->trigHash,
@@ -257,7 +258,8 @@ void sqlite3FinishTrigger(
assert( sqlite3Tsd()->mallocFailed && pDel==pTrig );
goto triggerfinish_cleanup;
}
pTab = sqlite3LocateTable(pParse,pTrig->table,db->aDb[pTrig->iTabDb].zName);
n = strlen(pTrig->table) + 1;
pTab = sqlite3HashFind(&pTrig->pTabSchema->tblHash, pTrig->table, n);
assert( pTab!=0 );
pTrig->pNext = pTab->pTrigger;
pTab->pTrigger = pTrig;
@@ -467,7 +469,8 @@ drop_trigger_cleanup:
** is set on.
*/
static Table *tableOfTrigger(sqlite3 *db, Trigger *pTrigger){
return sqlite3FindTable(db,pTrigger->table,db->aDb[pTrigger->iTabDb].zName);
int n = strlen(pTrigger->table) + 1;
return sqlite3HashFind(&pTrigger->pTabSchema->tblHash, pTrigger->table, n);
}