DROP FUNCTION IF EXISTS test_given;
CREATE FUNCTION test_given()
    RETURNS void
    LANGUAGE 'plpgsql'
VOLATILE
AS
$BODY$
BEGIN
    CREATE SCHEMA A;
    PERFORM hive.context_create( 'context' );
    CREATE TABLE A.table1(id  SERIAL PRIMARY KEY, smth INTEGER, name TEXT) INHERITS( hive.context );
END;
$BODY$
;

DROP FUNCTION IF EXISTS test_when;
CREATE FUNCTION test_when()
    RETURNS void
    LANGUAGE 'plpgsql'
VOLATILE
AS
$BODY$
BEGIN
    PERFORM hive.detach_table( 'A'::TEXT, 'table1'::TEXT );
    PERFORM hive.context_next_block( 'context' );
    INSERT INTO A.table1( smth, name ) VALUES (1, 'abc' );
END
$BODY$
;

DROP FUNCTION IF EXISTS test_then;
CREATE FUNCTION test_then()
    RETURNS void
    LANGUAGE 'plpgsql'
STABLE
AS
$BODY$
BEGIN
    ASSERT NOT EXISTS ( SELECT * FROM hive.shadow_a_table1 ), 'Trigger iserted something into shadow table';
END
$BODY$
;




