postgresql 批量删除表

-- 创建函数
CREATE FUNCTION del_ora_table() RETURNS void AS $$
DECLARE
    tmp VARCHAR(512);
DECLARE names CURSOR FOR 
    select tablename from pg_tables where schemaname='public';
BEGIN
  FOR stmt IN names LOOP
    tmp := 'DROP TABLE '|| quote_ident(stmt.tablename) || ' CASCADE;';
    RAISE NOTICE 'notice: %', tmp;
    EXECUTE 'DROP TABLE '|| quote_ident(stmt.tablename) || ' CASCADE;';
  END LOOP;
  RAISE NOTICE 'finished .....';
END;
 
$$ LANGUAGE plpgsql;
 
--执行函数批量删除表
select del_ora_table();