SPI_keepplan saves a passed
statement (prepared by
so that it will not be freed by
SPI_finish nor by the transaction manager. This
gives you the ability to reuse prepared statements in the
subsequent invocations of your procedure in the current
The passed-in statement is relocated to permanent storage by
means of pointer adjustment (no data copying is required). If you
later wish to delete it, use
SPI_freeplan on it.
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