SPI_register_relation
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 procedure
-
SPI_ERROR_REL_DUPLICATE
-
if the name specified in the
name
field ofenr
is already registered for this connection