Function SeparateOutNumSegments

src/backend/foreign/foreign.c:87–116

Get and separate out the num_segments option */

/* Get and separate out the num_segments option */
int32
SeparateOutNumSegments(List **options)
{
	ListCell *lc = NULL;
	char *num_segments_str = NULL;
	int32 num_segments = 0;

	foreach(lc, *options)
	{
		DefElem    *def = (DefElem *) lfirst(lc);

		if (strcmp(def->defname, "num_segments") == 0)
		{
			num_segments_str = defGetString(def);
			num_segments = pg_atoi(num_segments_str, sizeof(int32), 0);

			if (num_segments <= 0)
			{
				ereport(ERROR,
						(errcode(ERRCODE_SYNTAX_ERROR),
						 errmsg("\"%d\" is not a valid num_segments value",
								num_segments)));
			}

			*options = list_delete_cell(*options, lc);
			break;
		}
	}
	return num_segments;
}

/*
 * GetForeignDataWrapper -	look up the foreign-data wrapper by OID.