add testcase for issue #4931

core/src/test/java/com/alibaba/druid/bvt/sql/postgresql/PostgresqlResourceTest.java

@@ -91,6 +91,10 @@ public class PostgresqlResourceTest extends PGTest {
         exec_test("bvt/parser/postgresql-13.txt");
     }
 
+    public void test_14() throws Exception {
+        exec_test("bvt/parser/postgresql-14.txt");
+    }
+
     public void exec_test(String resource) throws Exception {
         System.out.println(resource);
         InputStream is = null;

core/src/test/resources/bvt/parser/postgresql-14.txt

@@ -0,0 +1,3 @@
+refresh materialized view v1
+---------------------------
+REFRESH MATERIALIZED VIEW v1