PostgreSQL 9.6.2 Documentation
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# DROP CONVERSION

## Name

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`:

    DROP CONVERSION 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

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