DROP CONVERSION
DROP CONVERSION
DROP CONVERSION — remove a conversion
Synopsis
DROP CONVERSION [ IF EXISTS ] name [ CASCADE | RESTRICT ]Description
DROP CONVERSION removes a previously defined conversion. To be able to drop a conversion, you must own the conversion.
Parameters
IF EXISTS
Do not throw an error if the conversion does not exist. A notice is issued in this case.
name
The name of the conversion. The conversion name can be schema-qualified.
CASCADE
RESTRICT
These key words do not have any effect, since there are no dependencies on conversions.
Examples
To drop the conversion named myname:
Compatibility
There is no DROP CONVERSION statement in the SQL standard, but a DROP TRANSLATION statement that goes along with the CREATE TRANSLATION statement that is similar to the CREATE CONVERSION statement in PostgreSQL.
See Also
ALTER CONVERSION, CREATE CONVERSION
原文:PostgreSQL 15.19 Documentation(英文原文,待翻譯)
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