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
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
isNULL
or itsname
field isNULL
SPI_ERROR_UNCONNECTED
if called from an unconnected C function
SPI_ERROR_REL_DUPLICATE
if the name specified in the
name
field ofenr
is already registered for this connection