diff --git a/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java b/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
index 8b9495b952..705a72de2a 100644
--- a/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
+++ b/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
@@ -449,6 +449,10 @@ public class SQLExprParser extends SQLParser {
 
                 sqlExpr = allExpr;
                 break;
+            case LITERAL_ALIAS:
+                sqlExpr = new SQLIdentifierExpr('"' + lexer.stringVal() + '"');
+                lexer.nextToken();
+                break;
             default:
                 throw new ParserException("ERROR. token : " + tok + " " + lexer.stringVal());
         }
diff --git a/src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest7.java b/src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest7.java
new file mode 100644
index 0000000000..38706f8ca4
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest7.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright 1999-2011 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.postgresql;
+
+import java.util.List;
+
+import junit.framework.Assert;
+
+import com.alibaba.druid.sql.PGTest;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser;
+import com.alibaba.druid.sql.dialect.postgresql.visitor.PGSchemaStatVisitor;
+
+public class PGSelectTest7 extends PGTest {
+
+    public void test_0() throws Exception {
+        String sql = "select id, name, parameters, \"algModuleRule.id\", \"algModuleRule.name\"" + //
+                     ", \"algModuleRule.assembleType\", \"algModuleRule.algmIds\", \"algModuleRule.subAlgmIds\"" + //
+                     ", \"algModuleRule.algmRatio\", \"algModuleRule.algmMaxRatio\", \"algModuleRule.objectType\"" + //
+                     ", \"cateRule.id\", \"cateRule.name\", \"cateRule.assembleType\", \"cateRule.algmIds\"" + //
+                     ", \"cateRule.algmRatio\", \"cateRule.algmMaxRatio\", \"appObject.id\",\"appObject.name\"" + //
+                     ", \"appObject.beanId\" " + //
+                     "from cnres.function_select_irecom_scene()" + //
+                     " as a( id text,name text,parameters text, \"algModuleRule.id\" text,\"algModuleRule.name\" text" + //
+                     "    , \"algModuleRule.assembleType\" text,\"algModuleRule.algmIds\" text" + //
+                     "    , \"algModuleRule.subAlgmIds\" text,\"algModuleRule.algmRatio\" text" + //
+                     "    , \"algModuleRule.algmMaxRatio\" text, \"algModuleRule.objectType\" text" + //
+                     "    , \"cateRule.id\" text, \"cateRule.name\" text, \"cateRule.assembleType\" text" + //
+                     "    , \"cateRule.algmIds\" text, \"cateRule.algmRatio\" text, \"cateRule.algmMaxRatio\" text" + //
+                     "    , \"appObject.id\" text,\"appObject.name\" text, \"appObject.beanId\" text)";
+
+        PGSQLStatementParser parser = new PGSQLStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        SQLStatement statemen = statementList.get(0);
+        print(statementList);
+
+        Assert.assertEquals(1, statementList.size());
+
+        PGSchemaStatVisitor visitor = new PGSchemaStatVisitor();
+        statemen.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+
+        Assert.assertEquals(20, visitor.getColumns().size());
+        Assert.assertEquals(0, visitor.getTables().size());
+    }
+}
+
+// select categoryId , offerIds from cnres.function_select_get_spt_p4p_offer_list (' 1031918 , 1031919 , 1037004 ') as
+// a(categoryId numeric,offerIds character varying(4000))
+// select memberId , offerIds from cnres.function_select_get_seller_hot_offer_list('\'gzyyd168\'') as a(memberId
+// character varying(20),offerIds character varying(4000))
+
diff --git a/src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest8.java b/src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest8.java
new file mode 100644
index 0000000000..87860c2da4
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest8.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright 1999-2011 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.postgresql;
+
+import java.util.List;
+
+import junit.framework.Assert;
+
+import com.alibaba.druid.sql.PGTest;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser;
+import com.alibaba.druid.sql.dialect.postgresql.visitor.PGSchemaStatVisitor;
+
+public class PGSelectTest8 extends PGTest {
+
+    public void test_0() throws Exception {
+        String sql = "select id, name, beanId, \"algLable.id\", \"algLable.name\"" + //
+                     ", \"algLable.schemaName\", \"algLable.tableName\", \"algLable.fieldName\"" + //
+                     " from cnres.function_select_algmodule_rule() " + //
+                     " as a( id text,name text,beanId text, \"algLable.id\" text,\"algLable.name\" text" + //
+                     ", \"algLable.schemaName\" text,\"algLable.tableName\" text, \"algLable.fieldName\" text)";
+
+        PGSQLStatementParser parser = new PGSQLStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        SQLStatement statemen = statementList.get(0);
+        print(statementList);
+
+        Assert.assertEquals(1, statementList.size());
+
+        PGSchemaStatVisitor visitor = new PGSchemaStatVisitor();
+        statemen.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+
+        Assert.assertEquals(8, visitor.getColumns().size());
+        Assert.assertEquals(0, visitor.getTables().size());
+    }
+}
+
+// select categoryId , offerIds from cnres.function_select_get_spt_p4p_offer_list (' 1031918 , 1031919 , 1037004 ') as
+// a(categoryId numeric,offerIds character varying(4000))
+// select memberId , offerIds from cnres.function_select_get_seller_hot_offer_list('\'gzyyd168\'') as a(memberId
+// character varying(20),offerIds character varying(4000))
+