Function exec_assign_c_string

src/pl/plpgsql/src/pl_exec.c:4982–4999

---------- * exec_assign_c_string Put a C string into a text variable. * * We take a NULL pointer as signifying empty string, not SQL null. * * As with the underlying exec_assign_value, caller is expected to do * exec_eval_cleanup later. * ---------- */

 * ----------
 */
static void
exec_assign_c_string(PLpgSQL_execstate *estate, PLpgSQL_datum *target,
					 const char *str)
{
	text	   *value;
	MemoryContext oldcontext;

	/* Use eval_mcontext for short-lived text value */
	oldcontext = MemoryContextSwitchTo(get_eval_mcontext(estate));
	if (str != NULL)
		value = cstring_to_text(str);
	else
		value = cstring_to_text("");
	MemoryContextSwitchTo(oldcontext);

	exec_assign_value(estate, target, PointerGetDatum(value), false,
					  TEXTOID, -1);
}


/* ----------