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Hello.

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The following patch extends the COMMENT ON functionality to the
rest of the database objects beyond just tables, columns, and views. The
grammer of the COMMENT ON statement now looks like:

COMMENT ON [
  [ DATABASE | INDEX | RULE | SEQUENCE | TABLE | TYPE | VIEW ] <objname>
|

  COLUMN <relation>.<attribute> |
  AGGREGATE <aggname> <aggtype> |
  FUNCTION <funcname> (arg1, arg2, ...) |
  OPERATOR <op> (leftoperand_typ rightoperand_typ) |
  TRIGGER <triggername> ON relname>

Mike Mascari
(mascarim@yahoo.com)
This commit is contained in:
Bruce Momjian
1999-10-26 03:12:39 +00:00
parent 51f62d505e
commit 577e21b34f
15 changed files with 1042 additions and 241 deletions
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22
src/backend/commands/trigger.c
View File

@@ -16,6 +16,7 @@
#include "catalog/pg_language.h"
#include "catalog/pg_proc.h"
#include "catalog/pg_trigger.h"
#include "commands/comment.h"
#include "commands/trigger.h"
#include "executor/executor.h"
#include "miscadmin.h"
@@ -297,8 +298,14 @@ DropTrigger(DropTrigStmt *stmt)
if (namestrcmp(&(pg_trigger->tgname), stmt->trigname) == 0)
{
heap_delete(tgrel, &tuple->t_self, NULL);
tgfound++;
/*** Delete any comments associated with this trigger ***/
DeleteComments(tuple->t_data->t_oid);
heap_delete(tgrel, &tuple->t_self, NULL);
tgfound++;
}
else
found++;
@@ -355,8 +362,15 @@ RelationRemoveTriggers(Relation rel)
tgscan = heap_beginscan(tgrel, 0, SnapshotNow, 1, &key);
while (HeapTupleIsValid(tup = heap_getnext(tgscan, 0)))
heap_delete(tgrel, &tup->t_self, NULL);
while (HeapTupleIsValid(tup = heap_getnext(tgscan, 0))) {
/*** Delete any comments associated with this trigger ***/
DeleteComments(tup->t_data->t_oid);
heap_delete(tgrel, &tup->t_self, NULL);
}
heap_endscan(tgscan);