Function bindFunc

src/function/list/list_contains_function.cpp:26–56

};

static std::unique_ptr<FunctionBindData> bindFunc(const ScalarBindFuncInput& input) {
    auto scalarFunction = input.definition->ptrCast<ScalarFunction>();
    // for list_contains(list, input), we expect input and list child have the same type, if list
    // is empty, we use in the input type. Otherwise, we use list child type because casting list
    // is more expensive.
    std::vector<LogicalType> paramTypes;
    LogicalType childType;
    auto listExpr = input.arguments[0];
    auto elementExpr = input.arguments[1];
    if (ExpressionUtil::isEmptyList(*listExpr)) {
        childType = elementExpr->getDataType().copy();
    } else {
        auto& listChildType = ListType::getChildType(listExpr->getDataType());
        auto& elementType = elementExpr->getDataType();
        if (!LogicalTypeUtils::tryGetMaxLogicalType(listChildType, elementType, childType)) {
            throw BinderException(std::format("Cannot compare {} and {} in list_contains function.",
                listChildType.toString(), elementType.toString()));
        }
    }
    if (childType.getLogicalTypeID() == LogicalTypeID::ANY) {
        childType = LogicalType::STRING();
    }
    auto listType = LogicalType::LIST(childType.copy());
    paramTypes.push_back(listType.copy());
    paramTypes.push_back(childType.copy());
    TypeUtils::visit(childType.getPhysicalType(), [&scalarFunction]<typename T>(T) {
        scalarFunction->execFunc =
            ScalarFunction::BinaryExecListStructFunction<list_entry_t, T, uint8_t, ListContains>;
    });
    return std::make_unique<FunctionBindData>(std::move(paramTypes), LogicalType::BOOL());
}

function_set ListContainsFunction::getFunctionSet() {
    function_set result;