SPI_unregister_relation — remove an ephemeral named relation from the registry
int SPI_unregister_relation(const char * name
)
SPI_unregister_relation
removes an ephemeral named
relation from the registry for the current connection.
const char * name
the relation registry entry name
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 procedure
SPI_ERROR_REL_NOT_FOUND
if name
is not found in the registry for the
current connection