Function bindFunc

src/function/union/union_value_function.cpp:9–18

namespace function {

static std::unique_ptr<FunctionBindData> bindFunc(const ScalarBindFuncInput& input) {
    DASSERT(input.arguments.size() == 1);
    std::vector<StructField> fields;
    if (input.arguments[0]->getDataType().getLogicalTypeID() == common::LogicalTypeID::ANY) {
        input.arguments[0]->cast(LogicalType::STRING());
    }
    fields.emplace_back(input.arguments[0]->getAlias(), input.arguments[0]->getDataType().copy());
    auto resultType = LogicalType::UNION(std::move(fields));
    return FunctionBindData::getSimpleBindData(input.arguments, resultType);
}

static void execFunc(const std::vector<std::shared_ptr<common::ValueVector>>&,
    const std::vector<common::SelectionVector*>&, common::ValueVector& result,