From d85142ca66763a3ca4be9b5dc0aa1c1d0b5ade92 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=AB=98=E9=93=81?= <shaojin.wensj@alibaba-inc.com>
Date: Sun, 3 Oct 2021 11:30:40 +0800
Subject: [PATCH] add testcase for #4442

---
 .../com/alibaba/druid/bvt/sql/postgresql/issues/Issue4442.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/test/java/com/alibaba/druid/bvt/sql/postgresql/issues/Issue4442.java b/src/test/java/com/alibaba/druid/bvt/sql/postgresql/issues/Issue4442.java
index 05859d6fbf..98083bf15b 100644
--- a/src/test/java/com/alibaba/druid/bvt/sql/postgresql/issues/Issue4442.java
+++ b/src/test/java/com/alibaba/druid/bvt/sql/postgresql/issues/Issue4442.java
@@ -8,11 +8,13 @@ import com.alibaba.druid.sql.parser.SQLParserUtils;
 import com.alibaba.druid.sql.parser.SQLStatementParser;
 import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
 import com.alibaba.druid.stat.TableStat;
+import com.alibaba.druid.wall.WallUtils;
 import org.junit.Test;
 
 import java.util.Map;
 
 import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
 
 public class Issue4442 {
     @Test
@@ -27,5 +29,6 @@ public class Issue4442 {
         statement.accept(visitor);
         Map<TableStat.Name, TableStat> tableMap = visitor.getTables();
         assertFalse(tableMap.isEmpty());
+        assertTrue(WallUtils.isValidatePostgres(sql));
     }
 }