DROP TEXT SEARCH CONFIGURATION

Name

DROP TEXT SEARCH CONFIGURATION -- remove a text search configuration

Synopsis

DROP TEXT SEARCH CONFIGURATION [ IF EXISTS ] name [ CASCADE | RESTRICT ]

描述

DROP TEXT SEARCH CONFIGURATION drops an existing text search configuration. To execute this command you must be the owner of the configuration.

参数

IF EXISTS

Do not throw an error if the text search configuration does not exist. A notice is issued in this case.

name

The name (optionally schema-qualified) of an existing text search configuration.

CASCADE

Automatically drop objects that depend on the text search configuration.

RESTRICT

Refuse to drop the text search configuration if any objects depend on it. This is the default.

例子

Remove the text search configuration my_english:

DROP TEXT SEARCH CONFIGURATION my_english;

This command will not succeed if there are any existing indexes that reference the configuration in to_tsvector calls. Add CASCADE to drop such indexes along with the text search configuration.

兼容性

There is no DROP TEXT SEARCH CONFIGURATION statement in the SQL standard.

参见

ALTER TEXT SEARCH CONFIGURATION, CREATE TEXT SEARCH CONFIGURATION