DROP TEXT SEARCH PARSER

Name

DROP TEXT SEARCH PARSER -- remove a text search parser

Synopsis

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

描述

DROP TEXT SEARCH PARSER drops an existing text search parser. You must be a superuser to use this command.

参数

IF EXISTS

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

name

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

CASCADE

Automatically drop objects that depend on the text search parser.

RESTRICT

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

例子

Remove the text search parser my_parser:

DROP TEXT SEARCH PARSER my_parser;

This command will not succeed if there are any existing text search configurations that use the parser. Add CASCADE to drop such configurations along with the parser.

兼容性

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

参见

ALTER TEXT SEARCH PARSER, CREATE TEXT SEARCH PARSER