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