SPI_returntuple man page on Mageia

SPI_returntuple man page on Mageia

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SPI_RETURNTUPLE(3)	PostgreSQL 9.3.2 Documentation	    SPI_RETURNTUPLE(3)

NAME
       SPI_returntuple - prepare to return a tuple as a Datum

SYNOPSIS
       HeapTupleHeader SPI_returntuple(HeapTuple row, TupleDesc rowdesc)

DESCRIPTION
       SPI_returntuple makes a copy of a row in the upper executor context,
       returning it in the form of a row type Datum. The returned pointer need
       only be converted to Datum via PointerGetDatum before returning.

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

ARGUMENTS
       HeapTuple row
	   row to be copied

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

RETURN VALUE
       HeapTupleHeader pointing to copied row; NULL only if row or rowdesc is
       NULL

PostgreSQL 9.3.2		     2013		    SPI_RETURNTUPLE(3)

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