SPI_register_relation3
Make an ephemeral named relation available by name in spi queries
Usage
int SPI_register_relation(EphemeralNamedRelation enr)
Overview
SPI_register_relation makes an ephemeral named relation, with associated information, available to queries planned and executed through the current SPI connection.
Arguments
EphemeralNamedRelation enr
the ephemeral named relation registry entry
Return value
If the execution of the command was successful then the following (nonnegative) value will be returned:
SPI_OK_REL_REGISTER
if the relation has been successfully registered by name
On error, one of the following negative values is returned:
SPI_ERROR_ARGUMENT
if enr is NULL or its name field is NULL
SPI_ERROR_UNCONNECTED
if called from an unconnected C function
SPI_ERROR_REL_DUPLICATE
if the name specified in the name field of enr is already registered for this connection