QuerySQL.java中只有默认的public, 希望增加一个schema字段, 方便用户在AutoGenerator中进行设置.

POSTGRE_SQL("postgre_sql", "select tablename from pg_tables where schemaname='public' ORDER BY tablename",
"SELECT A.tablename, obj_description(relfilenode, 'pg_class') AS comments FROM pg_tables A, pg_class B WHERE A.schemaname='public' AND A.tablename = B.relname",
...