## SPI_unregister_relation

SPI_unregister_relation — remove an ephemeral named relation from the registry

## Synopsis

    int SPI_unregister_relation(const char * name)

## Description

`SPI_unregister_relation` removes an ephemeral named relation from the registry for the current connection.

## Arguments

`const char * `name``

  the relation registry entry name

## Return Value

If the execution of the command was successful then the following (nonnegative) value will be returned:

`SPI_OK_REL_UNREGISTER`

  if the tuplestore has been successfully removed from the registry

On error, one of the following negative values is returned:

`SPI_ERROR_ARGUMENT`

  if `name` is `NULL`

`SPI_ERROR_UNCONNECTED`

  if called from an unconnected C function

`SPI_ERROR_REL_NOT_FOUND`

  if `name` is not found in the registry for the current connection