Postgresql 中文操作指南

DROP FOREIGN DATA WRAPPER

DROP FOREIGN DATA WRAPPER — 删除外部数据包装器

DROP FOREIGN DATA WRAPPER — remove a foreign-data wrapper

Synopsis

DROP FOREIGN DATA WRAPPER [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ]

Description

DROP FOREIGN DATA WRAPPER 删除现有的外部数据包装器。要执行此命令，当前用户必须是该外部数据包装器的所有者。

DROP FOREIGN DATA WRAPPER removes an existing foreign-data wrapper. To execute this command, the current user must be the owner of the foreign-data wrapper.

Parameters

IF EXISTS
- Do not throw an error if the foreign-data wrapper does not exist. A notice is issued in this case.
name
- The name of an existing foreign-data wrapper.
CASCADE
- Automatically drop objects that depend on the foreign-data wrapper (such as foreign tables and servers), and in turn all objects that depend on those objects (see Section 5.14).
RESTRICT
- Refuse to drop the foreign-data wrapper if any objects depend on it. This is the default.

Examples

删除外部数据包装器 dbi ：

Drop the foreign-data wrapper dbi:

DROP FOREIGN DATA WRAPPER dbi;

Compatibility

DROP FOREIGN DATA WRAPPER 符合 ISO/IEC 9075-9 (SQL/MED)。 IF EXISTS 子句是 PostgreSQL 扩展。

DROP FOREIGN DATA WRAPPER conforms to ISO/IEC 9075-9 (SQL/MED). The IF EXISTS clause is a PostgreSQL extension.