SPI_copytuple
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## SPI_copytuple

SPI_copytuple — make a copy of a row in the upper executor context

## Synopsis

    HeapTuple SPI_copytuple(HeapTuple row)

## Description

`SPI_copytuple` makes a copy of a row in the upper executor context. This is normally used to return a modified row from a trigger. In a function declared to return a composite type, use `SPI_returntuple` instead.

This function can only be used while connected to SPI. Otherwise, it returns NULL and sets `SPI_result` to `SPI_ERROR_UNCONNECTED`.

## Arguments

`HeapTuple `row``

  row to be copied

## Return Value

the copied row, or `NULL` on error (see `SPI_result` for an error indication)

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