content: /*
   * Copyright 1999-2017 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.mysql.select;
  
  import com.alibaba.druid.DbType;
  import com.alibaba.druid.sql.MysqlTest;
  import com.alibaba.druid.sql.SQLUtils;
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
  
  public class MySqlSelectTest_316_json_table
          extends MysqlTest {
      public void test_0() throws Exception {
          String sql = "SELECT *\n" +
                  "FROM\n" +
                  "JSON_TABLE(\n" +
                  "  '[ {\"c1\": null} ]',\n" +
                  "  '$[*]' COLUMNS( c1 INT PATH '$.c1' ERROR ON ERROR )\n" +
                  ") as jt;";
  
          SQLStatement stmt = SQLUtils
                  .parseSingleStatement(sql, DbType.mysql);
  
          System.out.println(stmt.toString());
  
          assertEquals("SELECT *\n" +
                  "FROM JSON_TABLE('[ {\"c1\": null} ]','$[*]'\n" +
                  "\tCOLUMNS (\n" +
                  "\t\tc1 INT PATH '$.c1' DEFAULT ERROR ON ERROR\n" +
                  "\t)\n" +
                  ") jt;", stmt.toString());
  
          assertEquals("select *\n" +
                  "from json_table('[ {\"c1\": null} ]','$[*]'\n" +
                  "\tcolumns (\n" +
                  "\t\tc1 INT path '$.c1' default ERROR on error\n" +
                  "\t)\n" +
                  ") jt;", stmt.toLowerCaseString());
  
          MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
          stmt.accept(visitor);
  
          System.out.println("Tables : " + visitor.getTables());
          System.out.println("fields : " + visitor.getColumns());
          System.out.println("coditions : " + visitor.getConditions());
          System.out.println("orderBy : " + visitor.getOrderByColumns());
  
          assertEquals(0, visitor.getTables().size());
          assertEquals(0, visitor.getColumns().size());
          assertEquals(0, visitor.getConditions().size());
          assertEquals(0, visitor.getOrderByColumns().size());
      }
  
      public void test_1() throws Exception {
          String sql = "SELECT *\n" +
                  "FROM\n" +
                  "JSON_TABLE(\n" +
                  "  '[{\"a\":\"3\"},{\"a\":2},{\"b\":1},{\"a\":0},{\"a\":[1,2]}]',\n" +
                  "  \"$[*]\"\n" +
                  "  COLUMNS(\n" +
                  "    rowid FOR ORDINALITY,\n" +
                  "    ac VARCHAR(100) PATH \"$.a\" DEFAULT '111' ON EMPTY DEFAULT '999' ON ERROR,\n" +
                  "    aj JSON PATH \"$.a\" DEFAULT '{\"x\": 333}' ON EMPTY,\n" +
                  "    bx INT EXISTS PATH \"$.b\"\n" +
                  "  )\n" +
                  ") AS tt;";
  
          SQLStatement stmt = SQLUtils
                  .parseSingleStatement(sql, DbType.mysql);
  
          System.out.println(stmt.toString());
  
          assertEquals("SELECT *\n" +
                  "FROM JSON_TABLE('[{\"a\":\"3\"},{\"a\":2},{\"b\":1},{\"a\":0},{\"a\":[1,2]}]','$[*]'\n" +
                  "\tCOLUMNS (\n" +
                  "\t\trowid FOR ORDINALITY,\n" +
                  "\t\tac VARCHAR(100) PATH '$.a' DEFAULT '111' ON EMPTY DEFAULT '999' ON ERROR,\n" +
                  "\t\taj JSON PATH '$.a' DEFAULT '{\"x\": 333}' ON EMPTY,\n" +
                  "\t\tbx INT EXISTS PATH '$.b'\n" +
                  "\t)\n" +
                  ") tt;", stmt.toString());
  
          assertEquals("select *\n" +
                  "from json_table('[{\"a\":\"3\"},{\"a\":2},{\"b\":1},{\"a\":0},{\"a\":[1,2]}]','$[*]'\n" +
                  "\tcolumns (\n" +
                  "\t\trowid for ordinality,\n" +
                  "\t\tac VARCHAR(100) path '$.a' default '111' on empty default '999' on error,\n" +
                  "\t\taj JSON path '$.a' default '{\"x\": 333}' on empty,\n" +
                  "\t\tbx INT exists path '$.b'\n" +
                  "\t)\n" +
                  ") tt;", stmt.toLowerCaseString());
  
          MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
          stmt.accept(visitor);
  
          System.out.println("Tables : " + visitor.getTables());
          System.out.println("fields : " + visitor.getColumns());
          System.out.println("coditions : " + visitor.getConditions());
          System.out.println("orderBy : " + visitor.getOrderByColumns());
  
          assertEquals(0, visitor.getTables().size());
          assertEquals(0, visitor.getColumns().size());
          assertEquals(0, visitor.getConditions().size());
          assertEquals(0, visitor.getOrderByColumns().size());
      }
  
      public void test_2() throws Exception {
          String sql = "SELECT *\n" +
                  "FROM\n" +
                  "  JSON_TABLE(\n" +
                  "    '[{\"a\": 1, \"b\": [11,111]}, {\"a\": 2, \"b\": [22,222]}]',\n" +
                  "    '$[*]' COLUMNS(\n" +
                  "        a INT PATH '$.a',\n" +
                  "        NESTED PATH '$.b[*]' COLUMNS (b1 INT PATH '$'),\n" +
                  "        NESTED PATH '$.b[*]' COLUMNS (b2 INT PATH '$')\n" +
                  "    )\n" +
                  ") AS jt;";
  
          SQLStatement stmt = SQLUtils
                  .parseSingleStatement(sql, DbType.mysql);
  
          System.out.println(stmt.toString());
  
          assertEquals("SELECT *\n" +
                  "FROM JSON_TABLE('[{\"a\": 1, \"b\": [11,111]}, {\"a\": 2, \"b\": [22,222]}]','$[*]'\n" +
                  "\tCOLUMNS (\n" +
                  "\t\ta INT PATH '$.a',\n" +
                  "\t\tNESTED PATH '$.b[*]' COLUMNS (b1 INT PATH '$'),\n" +
                  "\t\tNESTED PATH '$.b[*]' COLUMNS (b2 INT PATH '$')\n" +
                  "\t)\n" +
                  ") jt;", stmt.toString());
  
          assertEquals("select *\n" +
                  "from json_table('[{\"a\": 1, \"b\": [11,111]}, {\"a\": 2, \"b\": [22,222]}]','$[*]'\n" +
                  "\tcolumns (\n" +
                  "\t\ta INT path '$.a',\n" +
                  "\t\tNESTED path '$.b[*]' columns (b1 INT path '$'),\n" +
                  "\t\tNESTED path '$.b[*]' columns (b2 INT path '$')\n" +
                  "\t)\n" +
                  ") jt;", stmt.toLowerCaseString());
  
          MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
          stmt.accept(visitor);
  
          System.out.println("Tables : " + visitor.getTables());
          System.out.println("fields : " + visitor.getColumns());
          System.out.println("coditions : " + visitor.getConditions());
          System.out.println("orderBy : " + visitor.getOrderByColumns());
  
          assertEquals(0, visitor.getTables().size());
          assertEquals(0, visitor.getColumns().size());
          assertEquals(0, visitor.getConditions().size());
          assertEquals(0, visitor.getOrderByColumns().size());
      }
  
      public void test_3() throws Exception {
          String sql = "SELECT *\n" +
                  "FROM\n" +
                  "  JSON_TABLE(\n" +
                  "    '[{\"a\": \"a_val\",\n" +
                  "      \"b\": [{\"c\": \"c_val\", \"l\": [1,2]}]},\n" +
                  "    {\"a\": \"a_val\",\n" +
                  "      \"b\": [{\"c\": \"c_val\",\"l\": [11]}, {\"c\": \"c_val\", \"l\": [22]}]}]',\n" +
                  "    '$[*]' COLUMNS(\n" +
                  "      top_ord FOR ORDINALITY,\n" +
                  "      apath VARCHAR(10) PATH '$.a',\n" +
                  "      NESTED PATH '$.b[*]' COLUMNS (\n" +
                  "        bpath VARCHAR(10) PATH '$.c',\n" +
                  "        ord FOR ORDINALITY,\n" +
                  "        NESTED PATH '$.l[*]' COLUMNS (lpath varchar(10) PATH '$')\n" +
                  "        )\n" +
                  "    )\n" +
                  ") as jt;";
  
          SQLStatement stmt = SQLUtils
                  .parseSingleStatement(sql, DbType.mysql);
  
          System.out.println(stmt.toString());
  
          assertEquals("SELECT *\n" +
                  "FROM JSON_TABLE('[{\"a\": \"a_val\",\n" +
                  "      \"b\": [{\"c\": \"c_val\", \"l\": [1,2]}]},\n" +
                  "    {\"a\": \"a_val\",\n" +
                  "      \"b\": [{\"c\": \"c_val\",\"l\": [11]}, {\"c\": \"c_val\", \"l\": [22]}]}]','$[*]'\n" +
                  "\tCOLUMNS (\n" +
                  "\t\ttop_ord FOR ORDINALITY,\n" +
                  "\t\tapath VARCHAR(10) PATH '$.a',\n" +
                  "\t\tNESTED PATH '$.b[*]' COLUMNS (bpath VARCHAR(10) PATH '$.c', ord FOR ORDINALITY, NESTED PATH '$.l[*]' COLUMNS (lpath varchar(10) PATH '$'))\n" +
                  "\t)\n" +
                  ") jt;", stmt.toString());
  
          assertEquals("select *\n" +
                  "from json_table('[{\"a\": \"a_val\",\n" +
                  "      \"b\": [{\"c\": \"c_val\", \"l\": [1,2]}]},\n" +
                  "    {\"a\": \"a_val\",\n" +
                  "      \"b\": [{\"c\": \"c_val\",\"l\": [11]}, {\"c\": \"c_val\", \"l\": [22]}]}]','$[*]'\n" +
                  "\tcolumns (\n" +
                  "\t\ttop_ord for ordinality,\n" +
                  "\t\tapath VARCHAR(10) path '$.a',\n" +
                  "\t\tNESTED path '$.b[*]' columns (bpath VARCHAR(10) path '$.c', ord for ordinality, NESTED path '$.l[*]' columns (lpath varchar(10) path '$'))\n" +
                  "\t)\n" +
                  ") jt;", stmt.toLowerCaseString());
  
          MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
          stmt.accept(visitor);
  
          System.out.println("Tables : " + visitor.getTables());
          System.out.println("fields : " + visitor.getColumns());
          System.out.println("coditions : " + visitor.getConditions());
          System.out.println("orderBy : " + visitor.getOrderByColumns());
  
          assertEquals(0, visitor.getTables().size());
          assertEquals(0, visitor.getColumns().size());
          assertEquals(0, visitor.getConditions().size());
          assertEquals(0, visitor.getOrderByColumns().size());
      }
  }
  