Function plpgsql_start_datums

src/pl/plpgsql/src/pl_comp.c:2335–2345

---------- * plpgsql_start_datums Initialize datum list at compile startup. * ---------- */

 * ----------
 */
static void
plpgsql_start_datums(void)
{
	datums_alloc = 128;
	plpgsql_nDatums = 0;
	/* This is short-lived, so needn't allocate in function's cxt */
	plpgsql_Datums = MemoryContextAlloc(plpgsql_compile_tmp_cxt,
										sizeof(PLpgSQL_datum *) * datums_alloc);
	/* datums_last tracks what's been seen by plpgsql_add_initdatums() */
	datums_last = 0;
}

/* ----------
 * plpgsql_adddatum			Add a variable, record or row