// Copyright 2023 PingCAP, 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 <DataStreams/materializeBlock.h>


namespace DB
{

Block materializeBlock(const Block & block)
{
    if (!block)
        return block;

    Block res = block;
    size_t columns = res.columns();
    for (size_t i = 0; i < columns; ++i)
    {
        auto & element = res.getByPosition(i);
        auto & src = element.column;
        if (ColumnPtr converted = src->convertToFullColumnIfConst())
            src = converted;
    }

    return res;
}

} // namespace DB