1SPI_COPYTUPLE(3)         PostgreSQL 12.2 Documentation        SPI_COPYTUPLE(3)
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NAME

6       SPI_copytuple - make a copy of a row in the upper executor context
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SYNOPSIS

9       HeapTuple SPI_copytuple(HeapTuple row)
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DESCRIPTION

12       SPI_copytuple makes a copy of a row in the upper executor context. This
13       is normally used to return a modified row from a trigger. In a function
14       declared to return a composite type, use SPI_returntuple instead.
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16       This function can only be used while connected to SPI. Otherwise, it
17       returns NULL and sets SPI_result to SPI_ERROR_UNCONNECTED.
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ARGUMENTS

20       HeapTuple row
21           row to be copied
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RETURN VALUE

24       the copied row, or NULL on error (see SPI_result for an error
25       indication)
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29PostgreSQL 12.2                      2020                     SPI_COPYTUPLE(3)
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