From 372371c25c6c2ad4151d790113285316f2247610 Mon Sep 17 00:00:00 2001
From: mhoh3963 <mhoh@cubrid.com>
Date: Thu, 8 Aug 2024 10:52:39 +0900
Subject: [PATCH] Revert "[CBRD-25316] For UPDATE JOIN statements, aggregate
 functions or analytic functions cannot be used in the SET and WHERE clauses
 (#5143)"

This reverts commit 123d2628a16021af9ad36042557ab5db35b6d315.
---
 src/parser/semantic_check.c | 24 ++----------------------
 1 file changed, 2 insertions(+), 22 deletions(-)

diff --git a/src/parser/semantic_check.c b/src/parser/semantic_check.c
index 80ba2b75cb3..3b3dfa1ebf8 100644
--- a/src/parser/semantic_check.c
+++ b/src/parser/semantic_check.c
@@ -4377,15 +4377,13 @@ pt_find_aggregate_analytic_post (PARSER_CONTEXT * parser, PT_NODE * tree, void *
  * [Note]
  * This function will search whether an aggregate or analytic function exists
  * in WHERE clause of below statements:
- *     INSERT, UPDATE, DO, SET, DELETE, SELECT, UNION, DIFFERENCE, INTERSECTION, and
+ *     INSERT, DO, SET, DELETE, SELECT, UNION, DIFFERENCE, INTERSECTION, and
  *     MERGE.
  * It stops searching when meets the first aggregate or analytic function.
  *
  * 1) For below node types, searching is limited to child node who containing
- *    SET clause:
- *     PT_UPDATE
  *    WHERE clause:
- *     PT_DO, PT_DELETE, PT_SET_SESSION_VARIABLES, PT_SELECT, PT_UPDATE
+ *     PT_DO, PT_DELETE, PT_SET_SESSION_VARIABLES, PT_SELECT
  *
  * 2) For below node types, searching is executed on its args:
  *     PT_UNION, PT_DIFFERENCE, PT_INTERSECTION
@@ -4451,24 +4449,6 @@ pt_find_aggregate_analytic_in_where (PARSER_CONTEXT * parser, PT_NODE * node)
 			       &find);
       break;
 
-    case PT_UPDATE:
-      /* For UPDATE JOIN statements, aggregate functions or analytic functions cannot be used
-       * in the SET and WHERE clauses.  Aggregate functions cannot be used in the UPDATE statement,
-       * even if it is not an UPDATE JOIN statement.  Whether aggregate functions are used is checked
-       * in the pt_semantic_check_local function.
-       */
-      if (node->info.update.spec->next != NULL)
-	{
-	  find = pt_find_aggregate_analytic_in_where (parser, node->info.update.assignment);
-	  if (find != NULL)
-	    {
-	      break;
-	    }
-
-	  find = pt_find_aggregate_analytic_in_where (parser, node->info.update.search_cond);
-	}
-      break;
-
     default:
       /* for the rest node types, no need to search */
       break;