Examples with Operator io.confluent.ksql.schema.Operator used on opensource projects

Example 1 with Operator

use of io.confluent.ksql.schema.Operator in project ksql by confluentinc.

the class ArithmeticInterpreter method getNonDecimalArithmeticFunction.

private static ArithmeticBinaryFunction getNonDecimalArithmeticFunction(final Operator operator, final SqlType leftType, final SqlType rightType) {
    final SqlBaseType leftBaseType = leftType.baseType();
    final SqlBaseType rightBaseType = rightType.baseType();
    if (leftBaseType == SqlBaseType.STRING && rightBaseType == SqlBaseType.STRING) {
        return (o1, o2) -> (String) o1 + (String) o2;
    } else if (leftBaseType == SqlBaseType.DOUBLE || rightBaseType == SqlBaseType.DOUBLE) {
        final TypedArithmeticBinaryFunction<Double> fn = getDoubleFunction(operator);
        final ComparableCastFunction<Double> castLeft = castToDoubleFunction(leftType);
        final ComparableCastFunction<Double> castRight = castToDoubleFunction(rightType);
        return (o1, o2) -> fn.doFunction(castLeft.cast(o1), castRight.cast(o2));
    } else if (leftBaseType == SqlBaseType.BIGINT || rightBaseType == SqlBaseType.BIGINT) {
        final TypedArithmeticBinaryFunction<Long> fn = getLongFunction(operator);
        final ComparableCastFunction<Long> castLeft = castToLongFunction(leftType);
        final ComparableCastFunction<Long> castRight = castToLongFunction(rightType);
        return (o1, o2) -> fn.doFunction(castLeft.cast(o1), castRight.cast(o2));
    } else if (leftBaseType == SqlBaseType.INTEGER || rightBaseType == SqlBaseType.INTEGER) {
        final TypedArithmeticBinaryFunction<Integer> fn = getIntegerFunction(operator);
        final ComparableCastFunction<Integer> castLeft = castToIntegerFunction(leftType);
        final ComparableCastFunction<Integer> castRight = castToIntegerFunction(rightType);
        return (o1, o2) -> fn.doFunction(castLeft.cast(o1), castRight.cast(o2));
    } else {
        throw new KsqlException("Can't do arithmetic for types " + leftType + " and " + rightType);
    }
}