From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Sergio Pili <sergiop(at)sinectis(dot)com(dot)ar> |
Cc: | pgsql-hackers(at)postgresql(dot)org, Laura Celia Rivero <lrivero(at)exa(dot)unicen(dot)edu(dot)ar>, Jorge Doorn <jdoorn(at)exa(dot)unicen(dot)edu(dot)ar> |
Subject: | Re: Bug in pg_get_ruledef? |
Date: | 2001-11-26 00:30:59 |
Message-ID: | 6963.1006734659@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Sergio Pili <sergiop(at)sinectis(dot)com(dot)ar> writes:
> pg_get_ruledef cannot read the following rule:
Fix committed --- many thanks for the report!
Attached is the patch against current sources, if you need it.
regards, tom lane
*** src/backend/utils/adt/ruleutils.c.orig Mon Nov 19 14:51:20 2001
--- src/backend/utils/adt/ruleutils.c Sun Nov 25 19:18:32 2001
***************
*** 769,775 ****
--- 769,788 ----
appendStringInfo(buf, " WHERE ");
qual = stringToNode(ev_qual);
+
+ /*
+ * We need to make a context for recognizing any Vars in the qual
+ * (which can only be references to OLD and NEW). Use the rtable
+ * of the first query in the action list for this purpose.
+ */
query = (Query *) lfirst(actions);
+
+ /*
+ * If the action is INSERT...SELECT, OLD/NEW have been pushed
+ * down into the SELECT, and that's what we need to look at.
+ * (Ugly kluge ... try to fix this when we redesign querytrees.)
+ */
+ query = getInsertSelectQuery(query, NULL);
context.buf = buf;
context.namespaces = makeList1(&dpns);
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