ClickHouse/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.h

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#pragma once
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#include <DataStreams/IProfilingBlockInputStream.h>
namespace DB
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{
class DictionaryBlockInputStreamBase : public IProfilingBlockInputStream
{
protected:
DictionaryBlockInputStreamBase(size_t rows_count, size_t max_block_size);
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virtual Block getBlock(size_t start, size_t length) const = 0;
Block getHeader() const override;
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private:
const size_t rows_count;
const size_t max_block_size;
size_t next_row = 0;
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Block readImpl() override;
};
}