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Preparation
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@ -34,7 +34,7 @@ void MergeTreeDataPartWriterOnDisk::Stream<only_plain_file>::preFinalize()
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/// Also the order is important
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compressed_hashing.finalize();
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compressor.finalize();
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compressor->finalize();
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plain_hashing.finalize();
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if constexpr (!only_plain_file)
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@ -92,8 +92,8 @@ MergeTreeDataPartWriterOnDisk::Stream<false>::Stream(
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marks_file_extension{marks_file_extension_},
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plain_file(data_part_storage->writeFile(data_path_ + data_file_extension, max_compress_block_size_, query_write_settings)),
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plain_hashing(*plain_file),
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compressor(plain_hashing, compression_codec_, max_compress_block_size_, query_write_settings.use_adaptive_write_buffer, query_write_settings.adaptive_write_buffer_initial_size),
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compressed_hashing(compressor),
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compressor(std::make_unique<CompressedWriteBuffer>(plain_hashing, compression_codec_, max_compress_block_size_, query_write_settings.use_adaptive_write_buffer, query_write_settings.adaptive_write_buffer_initial_size)),
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compressed_hashing(*compressor),
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marks_file(data_part_storage->writeFile(marks_path_ + marks_file_extension, 4096, query_write_settings)),
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marks_hashing(*marks_file),
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marks_compressor(marks_hashing, marks_compression_codec_, marks_compress_block_size_, query_write_settings.use_adaptive_write_buffer, query_write_settings.adaptive_write_buffer_initial_size),
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@ -115,8 +115,8 @@ MergeTreeDataPartWriterOnDisk::Stream<true>::Stream(
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data_file_extension{data_file_extension_},
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plain_file(data_part_storage->writeFile(data_path_ + data_file_extension, max_compress_block_size_, query_write_settings)),
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plain_hashing(*plain_file),
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compressor(plain_hashing, compression_codec_, max_compress_block_size_, query_write_settings.use_adaptive_write_buffer, query_write_settings.adaptive_write_buffer_initial_size),
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compressed_hashing(compressor),
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compressor(std::make_unique<CompressedWriteBuffer>(plain_hashing, compression_codec_, max_compress_block_size_, query_write_settings.use_adaptive_write_buffer, query_write_settings.adaptive_write_buffer_initial_size)),
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compressed_hashing(*compressor),
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compress_marks(false)
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{
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}
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@ -44,7 +44,7 @@ public:
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/// Helper class, which holds chain of buffers to write data file with marks.
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/// It is used to write: one column, skip index or all columns (in compact format).
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template<bool only_plain_file>
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template <bool only_plain_file>
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struct Stream
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{
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Stream(
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@ -76,7 +76,8 @@ public:
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/// compressed_hashing -> compressor -> plain_hashing -> plain_file
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std::unique_ptr<WriteBufferFromFileBase> plain_file;
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HashingWriteBuffer plain_hashing;
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CompressedWriteBuffer compressor;
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/// This could be either CompressedWriteBuffer or ParallelCompressedWriteBuffer
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std::unique_ptr<WriteBuffer> compressor;
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HashingWriteBuffer compressed_hashing;
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/// marks_compressed_hashing -> marks_compressor -> marks_hashing -> marks_file
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