text: /*-------------------------------------------------------------------------
   *
   *                foreign-data wrapper for HADOOP
   *
   * IDENTIFICATION
   *                hadoop_fdw/hadoop_fdw--2.5.sql
   *
   *-------------------------------------------------------------------------
   */
  
  CREATE FUNCTION hadoop_fdw_handler()
  RETURNS fdw_handler
  AS 'MODULE_PATHNAME'
  LANGUAGE C STRICT;
  
  CREATE FUNCTION hadoop_fdw_validator(text[], oid)
  RETURNS void
  AS 'MODULE_PATHNAME'
  LANGUAGE C STRICT;
  
  CREATE FOREIGN DATA WRAPPER hadoop_fdw
    HANDLER hadoop_fdw_handler
    VALIDATOR hadoop_fdw_validator;
  