SPI_register_relation
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
EphemeralNamedRelationenr-
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
enrisNULLor itsnamefield isNULL SPI_ERROR_UNCONNECTED-
if called from an unconnected procedure
SPI_ERROR_REL_DUPLICATE-
if the name specified in the
namefield ofenris already registered for this connection