improve sqlparser for pg

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGDeleteTest6.java

@@ -0,0 +1,64 @@
+/*
+ * 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 org.junit.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;
+import com.alibaba.druid.stat.TableStat;
+
+public class PGDeleteTest6 extends PGTest {
+
+    public void test_0() throws Exception {
+        String sql = "WITH moved_rows AS ("
+                + "    DELETE FROM products"
+                + "    WHERE"
+                + "        \"date\" >= '2010-10-01' AND"
+                + "        \"date\" < '2010-11-01'"
+                + "    RETURNING *"
+                + ")"
+                + "INSERT INTO products_log\n"
+                + "SELECT * FROM moved_rows;";
+
+        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.assertTrue(visitor.getTables().containsKey(new TableStat.Name("products")));
+        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("products")));
+
+        Assert.assertTrue(visitor.getColumns().size() == 1);
+        
+        Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("products", "date")));
+    }
+
+    
+}

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGDeleteTest7.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 org.junit.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;
+import com.alibaba.druid.stat.TableStat;
+
+public class PGDeleteTest7 extends PGTest {
+
+    public void test_0() throws Exception {
+        String sql = "WITH t AS ("
+                + "    DELETE FROM foo"
+                + ")"
+                + "DELETE FROM bar;";
+
+        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.assertTrue(visitor.getTables().containsKey(new TableStat.Name("foo")));
+        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("bar")));
+
+        Assert.assertTrue(visitor.getColumns().size() == 0);
+        
+//        Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("products", "date")));
+    }
+
+    
+}

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGDeleteTest8.java

@@ -0,0 +1,64 @@
+/*
+ * 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 org.junit.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;
+import com.alibaba.druid.stat.TableStat;
+
+public class PGDeleteTest8 extends PGTest {
+
+    public void test_0() throws Exception {
+        String sql = "WITH RECURSIVE included_parts(sub_part, part) AS ("
+                + "    SELECT sub_part, part FROM parts WHERE part = 'our_product'"
+                + "  UNION ALL"
+                + "    SELECT p.sub_part, p.part"
+                + "    FROM included_parts pr, parts p"
+                + "    WHERE p.part = pr.sub_part"
+                + "  )"
+                + "DELETE FROM parts\n"
+                + "  WHERE part IN (SELECT part FROM included_parts);";
+
+        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.assertTrue(visitor.getTables().containsKey(new TableStat.Name("parts")));
+        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("included_parts")));
+
+        Assert.assertTrue(visitor.getColumns().size() == 4);
+        
+        Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("parts", "part")));
+    }
+
+    
+}

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest12.java

@@ -0,0 +1,70 @@
+/*
+ * 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 org.junit.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 PGSelectTest12 extends PGTest {
+
+    public void test_0() throws Exception {
+        String sql = "WITH regional_sales AS ("
+                + "        SELECT region, SUM(amount) AS total_sales"
+                + "        FROM orders"
+                + "        GROUP BY region"
+                + "     ), top_regions AS ("
+                + "        SELECT region"
+                + "        FROM regional_sales"
+                + "        WHERE total_sales > (SELECT SUM(total_sales)/10 FROM regional_sales)"
+                + "     )\n"
+                + "SELECT region,"
+                + "       product,"
+                + "       SUM(quantity) AS product_units,"
+                + "       SUM(amount) AS product_sales\n"
+                + "FROM orders\n"
+                + "WHERE region IN (SELECT region FROM top_regions)\n"
+                + "GROUP BY region, product;";
+
+        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(4, visitor.getColumns().size());
+        Assert.assertEquals(1, 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))
+

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest13.java

@@ -0,0 +1,60 @@
+/*
+ * 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 org.junit.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 PGSelectTest13 extends PGTest {
+
+    public void test_0() throws Exception {
+        String sql = "WITH RECURSIVE t(n) AS ("
+                + "    VALUES (1)"
+                + "  UNION ALL"
+                + "    SELECT n+1 FROM t WHERE n < 100"
+                + ")\n"
+                + "SELECT sum(n) FROM t;";
+
+        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(1, visitor.getColumns().size());
+        Assert.assertEquals(1, 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))
+

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest14.java

@@ -0,0 +1,64 @@
+/*
+ * 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 org.junit.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 PGSelectTest14 extends PGTest {
+
+    public void test_0() throws Exception {
+        String sql = "WITH RECURSIVE included_parts(sub_part, part, quantity) AS ("
+                + "    SELECT sub_part, part, quantity FROM parts WHERE part = 'our_product'"
+                + "  UNION ALL"
+                + "    SELECT p.sub_part, p.part, p.quantity"
+                + "    FROM included_parts pr, parts p"
+                + "    WHERE p.part = pr.sub_part"
+                + "  )\n"
+                + "SELECT sub_part, SUM(quantity) as total_quantity\n"
+                + "FROM included_parts\n"
+                + "GROUP BY sub_part";
+
+        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(5, visitor.getColumns().size());
+        Assert.assertEquals(2, 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))
+

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest15.java

@@ -0,0 +1,63 @@
+/*
+ * 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 org.junit.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 PGSelectTest15 extends PGTest {
+
+    public void test_0() throws Exception {
+        String sql = "WITH RECURSIVE search_graph(id, link, data, depth) AS ("
+                + "        SELECT g.id, g.link, g.data, 1"
+                + "        FROM graph g"
+                + "      UNION ALL"
+                + "        SELECT g.id, g.link, g.data, sg.depth + 1"
+                + "        FROM graph g, search_graph sg"
+                + "        WHERE g.id = sg.link"
+                + ")"
+                + "SELECT * FROM search_graph;";
+
+        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(6, visitor.getColumns().size());
+        Assert.assertEquals(2, 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))
+

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest16.java

@@ -0,0 +1,67 @@
+/*
+ * 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 org.junit.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 PGSelectTest16 extends PGTest {
+
+    public void test_0() throws Exception {
+        String sql = "WITH RECURSIVE search_graph(id, link, data, depth, path, cycle) AS ("
+                + "        SELECT g.id, g.link, g.data, 1,"
+                + "          ARRAY[g.id],"
+                + "          false"
+                + "        FROM graph g"
+                + "      UNION ALL"
+                + "        SELECT g.id, g.link, g.data, sg.depth + 1,"
+                + "          path || g.id,"
+                + "          g.id = ANY(path)"
+                + "        FROM graph g, search_graph sg"
+                + "        WHERE g.id = sg.link AND NOT cycle"
+                + ")"
+                + "SELECT * FROM search_graph;";
+
+        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(2, 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))
+

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest17.java

@@ -0,0 +1,67 @@
+/*
+ * 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 org.junit.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 PGSelectTest17 extends PGTest {
+
+    public void test_0() throws Exception {
+        String sql = "WITH RECURSIVE search_graph(id, link, data, depth, path, cycle) AS ("
+                + "        SELECT g.id, g.link, g.data, 1,"
+                + "          ARRAY[ROW(g.f1, g.f2)],"
+                + "          false"
+                + "        FROM graph g"
+                + "      UNION ALL"
+                + "        SELECT g.id, g.link, g.data, sg.depth + 1,"
+                + "          path || ROW(g.f1, g.f2),"
+                + "          ROW(g.f1, g.f2) = ANY(path)"
+                + "        FROM graph g, search_graph sg"
+                + "        WHERE g.id = sg.link AND NOT cycle"
+                + ")"
+                + "SELECT * FROM search_graph;";
+
+        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(10, visitor.getColumns().size());
+        Assert.assertEquals(2, 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))
+

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest18.java

@@ -0,0 +1,60 @@
+/*
+ * 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 org.junit.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 PGSelectTest18 extends PGTest {
+
+    public void test_0() throws Exception {
+        String sql = "WITH RECURSIVE t(n) AS ("
+                + "    SELECT 1"
+                + "  UNION ALL"
+                + "    SELECT n+1 FROM t"
+                + ")"
+                + "SELECT n FROM t LIMIT 100;";
+
+        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(1, visitor.getColumns().size());
+        Assert.assertEquals(1, 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))
+

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest19.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 org.junit.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 PGSelectTest19 extends PGTest {
+
+    public void test_0() throws Exception {
+        String sql = "WITH t AS ("
+                + "    UPDATE products SET price = price * 1.05"
+                + "    RETURNING *"
+                + ")"
+                + "SELECT * FROM products;";
+
+        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(2, visitor.getColumns().size());
+        Assert.assertEquals(1, 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))
+

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest20.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 org.junit.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 PGSelectTest20 extends PGTest {
+
+    public void test_0() throws Exception {
+        String sql = "WITH t AS ("
+                + "    UPDATE products SET price = price * 1.05"
+                + "    RETURNING *"
+                + ")"
+                + "SELECT * FROM t;";
+
+        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(1, visitor.getColumns().size());
+        Assert.assertEquals(1, 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))
+