小编les*_*ese的帖子

如果我明确要求，该语句为什么不复制约束？

CREATE TABLE backup_schema.permissions (LIKE public.permissions INCLUDING DEFAULTS INCLUDING CONSTRAINTS INCLUDING INDEXES INCLUDING STORAGE INCLUDING COMMENTS);
INSERT INTO backup_schema.permissions
    SELECT *
    FROM public.permissions
    WHERE community_id=123;

使用 pgadmin3 验证我发现新表（例如：backup_schema）的约束是：

但在公共模式的原始表中是这样的：