NAME

       SPI_register_relation - make an ephemeral named relation available by name in SPI queries

SYNOPSIS

       int SPI_register_relation(EphemeralNamedRelation enr)

DESCRIPTION

       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 procedure

       SPI_ERROR_REL_DUPLICATE
           if the name specified in the name field of enr is already registered for this
           connection