DROP TEXT SEARCH TEMPLATE
Name
DROP TEXT SEARCH TEMPLATE -- remove a text search template
Synopsis
DROP TEXT SEARCH TEMPLATE [ IF EXISTS ] name [ CASCADE | RESTRICT ]
描述
DROP TEXT SEARCH TEMPLATE drops an existing text search
template. You must be a superuser to use this command.
参数
- IF EXISTS
Do not throw an error if the text search template does not exist.
A notice is issued in this case.
- name
The name (optionally schema-qualified) of an existing text search
template.
- CASCADE
Automatically drop objects that depend on the text search template.
- RESTRICT
Refuse to drop the text search template if any objects depend on it.
This is the default.
例子
Remove the text search template thesaurus:
DROP TEXT SEARCH TEMPLATE thesaurus;
This command will not succeed if there are any existing text search
dictionaries that use the template. Add CASCADE to
drop such dictionaries along with the template.
兼容性
There is no DROP TEXT SEARCH TEMPLATE statement in the
SQL standard.