From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sat, 3 May 2008 23:19:33 +0000 (+0000)
Subject: The 8.2 patch that added support for an alias on the target table of
X-Git-Url: http://git.postgresql.org/gitweb/static/gitweb.js?a=commitdiff_plain;h=a92d96ee0ed5586ce1088225aa2e8d825ba8fd8b;p=users%2Fbernd%2Fpostgres.git

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 34f60f00ba..7dd62a22d6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -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);