From f88d93f3fe96221e80596d598d2a4fc9f2b06a83 Mon Sep 17 00:00:00 2001
From: wumpz <t.warneke@gmx.net>
Date: Sun, 9 Aug 2020 23:32:23 +0200
Subject: [PATCH] Revert "Remove unnecessary parenthesis in ON clause of MERGE
 statement (#1021)"

This reverts commit 3d507b491b947d6a7c506f263438de2238f7c58f.
---
 src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt b/src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt
index 1c383c25a..9246c2d3a 100644
--- a/src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt
+++ b/src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt
@@ -1220,7 +1220,7 @@ Statement Merge() : {
         ( table=Table() { merge.setUsingTable(table); }
             | "(" select=SubSelect() { merge.setUsingSelect(select); } ")" )
      [ alias = Alias() { merge.setUsingAlias(alias); } ] <K_ON>
-       condition = Expression() { merge.setOnCondition(condition); }
+       "(" condition = Expression() { merge.setOnCondition(condition); } ")"
 
     [
         ( LOOKAHEAD(2) update = MergeUpdateClause() { merge.setMergeUpdate(update); }