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.