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SPI_register_relation

SPI_register_relation — make a 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

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