The 8.2 patch that added support for an alias on the target table of

UPDATE/DELETE forgot to teach ruleutils.c to display the alias.
Per bug #4141 from Mathias Seiler.

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 1cb8311e878f5ce92982a922eb3fabd5781a0190..47d56aaf445a0ce6f28d06c6e69b3d41a9dece93 100644 (file)
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2,7 +2,7 @@
  * ruleutils.c - Functions to convert stored expressions/querytrees
  *                             back to source text
  *
- *       $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.235.2.4 2008/01/06 01:03:23 tgl Exp $
+ *       $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.235.2.5 2008/05/03 23:19:33 tgl Exp $
  **********************************************************************/
 
 #include "postgres.h"
@@ -2529,9 +2529,13 @@ get_update_query_def(Query *query, deparse_context *context)
                appendStringInfoChar(buf, ' ');
                context->indentLevel += PRETTYINDENT_STD;
        }
-       appendStringInfo(buf, "UPDATE %s%s SET ",
+       appendStringInfo(buf, "UPDATE %s%s",
                                         only_marker(rte),
                                         generate_relation_name(rte->relid));
+       if (rte->alias != NULL)
+               appendStringInfo(buf, " %s",
+                                                quote_identifier(rte->alias->aliasname));
+       appendStringInfoString(buf, " SET ");
 
        /* Add the comma separated list of 'attname = value' */
        sep = "";
@@ -2603,12 +2607,15 @@ get_delete_query_def(Query *query, deparse_context *context)
        Assert(rte->rtekind == RTE_RELATION);
        if (PRETTY_INDENT(context))
        {
-               context->indentLevel += PRETTYINDENT_STD;
                appendStringInfoChar(buf, ' ');
+               context->indentLevel += PRETTYINDENT_STD;
        }
        appendStringInfo(buf, "DELETE FROM %s%s",
                                         only_marker(rte),
                                         generate_relation_name(rte->relid));
+       if (rte->alias != NULL)
+               appendStringInfo(buf, " %s",
+                                                quote_identifier(rte->alias->aliasname));
 
        /* Add the USING clause if given */
        get_from_clause(query, " USING ", context);