create schema ast_test;
set current_schema to 'ast_test';
set dolphin.use_const_value_as_colname = false;
ast select * from test;
ast create table test(id int);
ast create table test(id int(5));
ast USE "custcomcenter";
ERROR:  Unknown database 'custcomcenter'
ast select 1;select 1;
 ?column? 
----------
        1
(1 row)

ast select 1;ast select 1;
drop schema ast_test cascade;
ast desc t1;
ast show full columns from t1;
ast show fields from t1 like 'c%';
ast show columns from t1 where type like '_lob';
ast show index from t1;
ast show create table t1;
ast show create view v1;
ast show create procedure p1;
ast show create function f1;
ast show create trigger tr1;
reset current_schema;