Function tryCombineDecimalTypes

src/common/types/types.cpp:1745–1760

}

static inline bool tryCombineDecimalTypes(const LogicalType& left, const LogicalType& right,
    LogicalType& result) {
    auto precisionLeft = DecimalType::getPrecision(left);
    auto scaleLeft = DecimalType::getScale(left);
    auto precisionRight = DecimalType::getPrecision(right);
    auto scaleRight = DecimalType::getScale(right);
    auto resultingScale = std::max(scaleLeft, scaleRight);
    auto resultingPrecision =
        std::max(precisionLeft - scaleLeft, precisionRight - scaleRight) + resultingScale;
    if (resultingPrecision > DECIMAL_PRECISION_LIMIT) {
        result = LogicalType::DOUBLE();
        return true;
    }
    result = LogicalType::DECIMAL(resultingPrecision, resultingScale);
    return true;
}

static inline bool tryCombineDecimalWithNumeric(const LogicalType& dec, const LogicalType& nonDec,
    LogicalType& result) {