Provided by: postgresql-doc-11_11.5-1_all
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