SPI_returntuple man page on SunOS

SPI_returntuple man page on SunOS

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SPI_returntuple()	PostgreSQL 8.1.19 Documentation	     SPI_returntuple()

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

				  2009-12-09		     SPI_returntuple()

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