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36 lines
569 B
C++
36 lines
569 B
C++
#include <DB/Core/Block.h>
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namespace DB
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{
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class SquashingTransform
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{
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public:
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SquashingTransform(size_t min_block_size_rows, size_t min_block_size_bytes);
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struct Result
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{
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bool ready = false;
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Block block;
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Result(bool ready_) : ready(ready_) {}
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Result(Block && block_) : ready(true), block(std::move(block_)) {}
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};
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Result add(Block & block);
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private:
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size_t min_block_size_rows;
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size_t min_block_size_bytes;
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Block accumulated_block;
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bool all_read = false;
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void append(Block && block);
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bool isEnoughSize(size_t rows, size_t bytes) const;
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};
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}
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