jodd-db/src/main/java/jodd/db/DbQuery.java
public Q setBigInteger(final int index, final BigInteger value) {
		if (value == null) {
			setNull(index, Types.NUMERIC);
		}
		else {
			setLong(index, value.longValue());
		}
		return _this();
	}
public Q setBigInteger(final int index, final BigInteger value) {
		if (value == null) {
			setNull(index, Types.NUMERIC);
		}
		else {
			setLong(index, value.longValue());
		}
		return _this();
	}
---------------------------------------------------------------- big integer