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42 lines
981 B
C++
42 lines
981 B
C++
#pragma once
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#include <DataStreams/IBlockInputStream.h>
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#include <Interpreters/Context.h>
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#include <Storages/Kafka/StorageKafka.h>
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#include <Storages/Kafka/ReadBufferFromKafkaConsumer.h>
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namespace DB
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{
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class KafkaBlockInputStream : public IBlockInputStream
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{
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public:
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KafkaBlockInputStream(
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StorageKafka & storage_, const Context & context_, const Names & columns, size_t max_block_size_, bool commit_in_suffix = true);
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~KafkaBlockInputStream() override;
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String getName() const override { return storage.getName(); }
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Block getHeader() const override;
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void readPrefixImpl() override;
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Block readImpl() override;
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void readSuffixImpl() override;
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void commit();
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private:
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StorageKafka & storage;
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Context context;
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Names column_names;
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UInt64 max_block_size;
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ConsumerBufferPtr buffer;
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bool broken = true, finished = false, claimed = false, commit_in_suffix;
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const Block non_virtual_header, virtual_header;
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};
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}
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