SPI_keepplan - save a prepared statement
saves a passed statement (prepared by
) so that it will not be freed
nor by the transaction manager.
This gives you the ability to reuse prepared statements in the subsequent
invocations of your C function in the current session.
the prepared statement to be saved
0 on success;
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