text: /*
   * Copyright 2020 Bitnine Co., 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.
   */
  
  LOAD 'agensgraph';
  SET search_path TO ag_catalog;
  
  SELECT create_graph('cypher_create');
  
  SELECT * FROM cypher('cypher_create', $$CREATE ()$$) AS (a agtype);
  
  -- vertex graphid
  SELECT * FROM cypher('cypher_create', $$CREATE (:v)$$) AS (a agtype);
  
  SELECT * FROM cypher('cypher_create', $$CREATE (:v {})$$) AS (a agtype);
  
  SELECT * FROM cypher('cypher_create', $$CREATE (:v {key: 'value'})$$) AS (a agtype);
  
  SELECT * FROM cypher('cypher_create', $$MATCH (n:v) RETURN n$$) AS (n agtype);
  
  -- for now, edges are not supported
  SELECT * FROM cypher('cypher_create', $$CREATE (:v)-[]-()$$) AS (a agtype);
  
  -- column definition list for CREATE clause must contain a single agtype
  -- attribute
  SELECT * FROM cypher('cypher_create', $$CREATE ()$$) AS (a int);
  SELECT * FROM cypher('cypher_create', $$CREATE ()$$) AS (a agtype, b int);
  
  SELECT drop_graph('cypher_create', true);
  