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SPI_COPYTUPLE(3) PostgreSQL 15.4 Documentation SPI_COPYTUPLE(3)
NAME 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)
PostgreSQL 15.4 2023 SPI_COPYTUPLE(3)