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37 lines
779 B
C++
37 lines
779 B
C++
#pragma once
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#include <DB/Storages/StorageMergeTree.h>
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#include <iomanip>
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namespace DB
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{
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class MergeTreeBlockOutputStream : public IBlockOutputStream
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{
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public:
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MergeTreeBlockOutputStream(StorageMergeTree & storage_)
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: storage(storage_) {}
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void writePrefix() override
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{
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storage.data.delayInsertIfNeeded();
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}
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void write(const Block & block) override
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{
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auto part_blocks = storage.writer.splitBlockIntoParts(block);
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for (auto & current_block : part_blocks)
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{
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UInt64 temp_index = storage.increment.get();
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MergeTreeData::MutableDataPartPtr part = storage.writer.writeTempPart(current_block, temp_index);
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storage.data.renameTempPartAndAdd(part, &storage.increment);
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storage.merge_task_handle->wake();
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}
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}
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private:
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StorageMergeTree & storage;
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};
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}
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