Postgresql 中文操作指南
37.21. domain_constraints #
domain_constraints 视图包含当前数据库中定义的域的所有约束。只有当前用户有权访问的域才会显示(就是所有者或拥有某些特权)。
The view domain_constraints contains all constraints belonging to domains defined in the current database. Only those domains are shown that the current user has access to (by way of being the owner or having some privilege).
Table 37.19. domain_constraints Columns
Table 37.19. domain_constraints Columns
Column Type Description |
constraint_catalog sql_identifier Name of the database that contains the constraint (always the current database) |
constraint_schema sql_identifier Name of the schema that contains the constraint |
constraint_name sql_identifier Name of the constraint |
domain_catalog sql_identifier Name of the database that contains the domain (always the current database) |
domain_schema sql_identifier Name of the schema that contains the domain |
domain_name sql_identifier Name of the domain |
is_deferrable yes_or_no YES if the constraint is deferrable, NO if not |
initially_deferred yes_or_no YES if the constraint is deferrable and initially deferred, NO if not |