diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/trigger.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/src/trigger.c b/src/trigger.c index c30454519..3ff2ebc91 100644 --- a/src/trigger.c +++ b/src/trigger.c @@ -730,12 +730,21 @@ static int checkColumnOverlap(IdList *pIdList, ExprList *pEList){ } /* +** Return true if any TEMP triggers exist +*/ +static int tempTriggersExist(sqlite3 *db){ + if( db->aDb[1].pSchema==0 ) return 0; + if( sqliteHashFirst(&db->aDb[1].pSchema->trigHash)==0 ) return 0; + return 1; +} + +/* ** Return a list of all triggers on table pTab if there exists at least ** one trigger that must be fired when an operation of type 'op' is ** performed on the table, and, if that operation is an UPDATE, if at ** least one of the columns in pChanges is being modified. */ -Trigger *sqlite3TriggersExist( +static SQLITE_NOINLINE Trigger *triggersReallyExist( Parse *pParse, /* Parse context */ Table *pTab, /* The table the contains the triggers */ int op, /* one of TK_DELETE, TK_INSERT, TK_UPDATE */ @@ -798,6 +807,22 @@ exit_triggers_exist: } return (mask ? pList : 0); } +Trigger *sqlite3TriggersExist( + Parse *pParse, /* Parse context */ + Table *pTab, /* The table the contains the triggers */ + int op, /* one of TK_DELETE, TK_INSERT, TK_UPDATE */ + ExprList *pChanges, /* Columns that change in an UPDATE statement */ + int *pMask /* OUT: Mask of TRIGGER_BEFORE|TRIGGER_AFTER */ +){ + assert( pTab!=0 ); + if( (pTab->pTrigger==0 && !tempTriggersExist(pParse->db)) + || pParse->disableTriggers + ){ + if( pMask ) *pMask = 0; + return 0; + } + return triggersReallyExist(pParse,pTab,op,pChanges,pMask); +} /* ** Convert the pStep->zTarget string into a SrcList and return a pointer |