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.