Function validateIsAllUnionOrUnionAll

src/binder/bind/bind_query.cpp:33–42

}

void validateIsAllUnionOrUnionAll(const BoundRegularQuery& regularQuery) {
    auto unionAllExpressionCounter = 0u;
    for (auto i = 0u; i < regularQuery.getNumSingleQueries() - 1; i++) {
        unionAllExpressionCounter += regularQuery.getIsUnionAll(i);
    }
    if ((0 < unionAllExpressionCounter) &&
        (unionAllExpressionCounter < regularQuery.getNumSingleQueries() - 1)) {
        throw BinderException("Union and union all can not be used together.");
    }
}

std::unique_ptr<BoundRegularQuery> Binder::bindQuery(const Statement& statement) {
    auto& regularQuery = statement.constCast<RegularQuery>();