Postgresql 中文操作指南

DROP ACCESS METHOD

DROP ACCESS METHOD — 删除访问方法

DROP ACCESS METHOD — remove an access method

DROP ACCESS METHOD [ IF EXISTS ] name [ CASCADE | RESTRICT ]

DROP ACCESS METHOD 删除现有访问方法。只有超级用户才能删除访问方法。

DROP ACCESS METHOD removes an existing access method. Only superusers can drop access methods.

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

删除访问方法 heptree ：

Drop the access method heptree:

DROP ACCESS METHOD heptree;

DROP ACCESS METHOD 是 PostgreSQL 扩展。

DROP ACCESS METHOD is a PostgreSQL extension.