static void AddRollback()

in results.c [2132:2179]

• 46 lines of code
• 10 McCabe index (conditional complexity)

static void AddRollback(StatementClass *stmt, QResultClass *res, SQLLEN index, const KeySet *keyset, Int4 dmlcode)
{
	ConnectionClass	*conn = SC_get_conn(stmt);
	Rollback *rollback;

	if (!CC_is_in_trans(conn))
		return;
MYLOG(DETAIL_LOG_LEVEL, "entering " FORMAT_LEN "(%u,%u) %s\n", index, keyset->blocknum, keyset->offset, dmlcode == SQL_ADD ? "ADD" : (dmlcode == SQL_UPDATE ? "UPDATE" : (dmlcode == SQL_DELETE ? "DELETE" : "REFRESH")));
	if (!res->rollback)
	{
		res->rb_count = 0;
		res->rb_alloc = 10;
		rollback = res->rollback = malloc(sizeof(Rollback) * res->rb_alloc);
		if (!rollback)
		{
			res->rb_alloc = res->rb_count = 0;
			return;
		}
	}
	else
	{
		if (res->rb_count >= res->rb_alloc)
		{
			res->rb_alloc *= 2;
			if (rollback = realloc(res->rollback, sizeof(Rollback) * res->rb_alloc), !rollback)
			{
				res->rb_alloc = res->rb_count = 0;
				return;
			}
			res->rollback = rollback;
		}
		rollback = res->rollback + res->rb_count;
	}
	rollback->index = index;
	rollback->option = dmlcode;
	rollback->offset = 0;
	rollback->blocknum = 0;
	rollback->oid = 0;
	if (keyset)
	{
		rollback->blocknum = keyset->blocknum;
		rollback->offset = keyset->offset;
		rollback->oid = keyset->oid;
	}

	conn->result_uncommitted = 1;
	res->rb_count++;
}