SPI_freeplan — free a previously saved prepared statement
int SPI_freeplan(SPIPlanPtr plan
)
SPI_freeplan
releases a prepared statement
previously returned by SPI_prepare
or saved by
SPI_keepplan
or SPI_saveplan
.
SPIPlanPtr plan
pointer to statement to free
0 on success;
SPI_ERROR_ARGUMENT
if plan
is NULL
or invalid