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SPI_returntuple

Name

SPI_returntuple -- prepare to return a tuple as a Datum

Synopsis

HeapTupleHeader SPI_returntuple(HeapTuplerow, TupleDescrowdesc)

Description

SPI_returntuple makes a copy of a row in the upper executor context, returning it in the form of a row typeDatum. The returned pointer need only be converted toDatum viaPointerGetDatum before returning.

Note that this should be used for functions that are declared to return composite types. It is not used for triggers; useSPI_copytuple for returning a modified row in a trigger.

Arguments

HeapTuplerow

row to be copied

TupleDescrowdesc

descriptor for row (pass the same descriptor each time for most effective caching)

Return Value

HeapTupleHeader pointing to copied row;NULL only ifrow orrowdesc isNULL


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