text: /**
   *   Copyright 2011-2015 Quickstep Technologies LLC.
   *   Copyright 2015 Pivotal Software, Inc.
   *
   *   Licensed under the Apache License, Version 2.0 (the "License");
   *   you may not use this file except in compliance with the License.
   *   You may obtain a copy of the License at
   *
   *       http://www.apache.org/licenses/LICENSE-2.0
   *
   *   Unless required by applicable law or agreed to in writing, software
   *   distributed under the License is distributed on an "AS IS" BASIS,
   *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *   See the License for the specific language governing permissions and
   *   limitations under the License.
   **/
  
  #include "expressions/scalar/ScalarLiteral.hpp"
  
  #include <utility>
  #include <vector>
  
  #include "expressions/Expressions.pb.h"
  #include "storage/ValueAccessor.hpp"
  #include "types/Type.hpp"
  #include "types/Type.pb.h"
  #include "types/TypedValue.hpp"
  #include "types/TypedValue.pb.h"
  #include "types/containers/ColumnVector.hpp"
  
  namespace quickstep {
  
  serialization::Scalar ScalarLiteral::getProto() const {
    serialization::Scalar proto;
    proto.set_data_source(serialization::Scalar::LITERAL);
    proto.MutableExtension(serialization::ScalarLiteral::literal)
        ->CopyFrom(internal_literal_.getProto());
    proto.MutableExtension(serialization::ScalarLiteral::literal_type)
        ->CopyFrom(type_.getProto());
  
    return proto;
  }
  
  Scalar* ScalarLiteral::clone() const {
    return new ScalarLiteral(internal_literal_, type_);
  }
  
  ColumnVector* ScalarLiteral::getAllValues(
      ValueAccessor *accessor,
      const SubBlocksReference *sub_blocks_ref) const {
    return ColumnVector::MakeVectorOfValue(
        type_,
        internal_literal_,
        accessor->getNumTuplesVirtual());
  }
  
  ColumnVector* ScalarLiteral::getAllValuesForJoin(
      const relation_id left_relation_id,
      ValueAccessor *left_accessor,
      const relation_id right_relation_id,
      ValueAccessor *right_accessor,
      const std::vector<std::pair<tuple_id, tuple_id>> &joined_tuple_ids) const {
    return ColumnVector::MakeVectorOfValue(type_,
                                           internal_literal_,
                                           joined_tuple_ids.size());
  }
  
  }  // namespace quickstep
  