您好， 如何实现在opengauss中执行sql后返回sqlcode状态码？下面是用其他数据库来展现sqlcode的方式，或者如何自定义sqlcode来实现，能否给出一个sql例子，谢谢 SQL> set sqlcode on SQL> select count(1) from aple; select count(1) from aple; [-2106]:Error in line: 1 Invalid table or view name [APLE]. used time: 0.313(ms). Execute id is 0. SQLCODE=1: SQL statement executed fail

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