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Correct merge with master
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@ -14,13 +14,18 @@ namespace DB
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{
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RabbitMQBlockInputStream::RabbitMQBlockInputStream(
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StorageRabbitMQ & storage_, const Context & context_, const Names & columns, Poco::Logger * log_)
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StorageRabbitMQ & storage_,
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const StorageMetadataPtr & metadata_snapshot_,
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const Context & context_,
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const Names & columns,
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Poco::Logger * log_)
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: storage(storage_)
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, metadata_snapshot(metadata_snapshot_)
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, context(context_)
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, column_names(columns)
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, log(log_)
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, non_virtual_header(storage.getSampleBlockNonMaterialized())
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, virtual_header(storage.getSampleBlockForColumns({"_exchange"}))
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, non_virtual_header(metadata_snapshot->getSampleBlockNonMaterialized())
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, virtual_header(metadata_snapshot->getSampleBlockForColumns({"_exchange"}, storage.getVirtuals(), storage.getStorageID()))
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{
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}
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@ -36,7 +41,7 @@ RabbitMQBlockInputStream::~RabbitMQBlockInputStream()
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Block RabbitMQBlockInputStream::getHeader() const
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{
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return storage.getSampleBlockForColumns(column_names);
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return metadata_snapshot->getSampleBlockForColumns(column_names, storage.getVirtuals(), storage.getStorageID());
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}
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@ -14,6 +14,7 @@ class RabbitMQBlockInputStream : public IBlockInputStream
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public:
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RabbitMQBlockInputStream(
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StorageRabbitMQ & storage_,
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const StorageMetadataPtr & metadata_snapshot_,
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const Context & context_,
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const Names & columns,
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Poco::Logger * log_);
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@ -29,6 +30,7 @@ public:
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private:
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StorageRabbitMQ & storage;
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StorageMetadataPtr metadata_snapshot;
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Context context;
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Names column_names;
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Poco::Logger * log;
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@ -15,14 +15,19 @@ namespace ErrorCodes
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RabbitMQBlockOutputStream::RabbitMQBlockOutputStream(
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StorageRabbitMQ & storage_, const Context & context_) : storage(storage_), context(context_)
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StorageRabbitMQ & storage_,
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const StorageMetadataPtr & metadata_snapshot_,
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const Context & context_)
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: storage(storage_)
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, metadata_snapshot(metadata_snapshot_)
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, context(context_)
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{
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}
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Block RabbitMQBlockOutputStream::getHeader() const
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{
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return storage.getSampleBlockNonMaterialized();
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return metadata_snapshot->getSampleBlockNonMaterialized();
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}
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@ -12,7 +12,7 @@ class RabbitMQBlockOutputStream : public IBlockOutputStream
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{
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public:
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explicit RabbitMQBlockOutputStream(StorageRabbitMQ & storage_, const Context & context_);
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explicit RabbitMQBlockOutputStream(StorageRabbitMQ & storage_, const StorageMetadataPtr & metadata_snapshot_, const Context & context_);
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Block getHeader() const override;
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@ -22,6 +22,7 @@ public:
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private:
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StorageRabbitMQ & storage;
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StorageMetadataPtr metadata_snapshot;
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Context context;
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ProducerBufferPtr buffer;
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BlockOutputStreamPtr child;
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@ -98,7 +98,9 @@ StorageRabbitMQ::StorageRabbitMQ(
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}
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rabbitmq_context.makeQueryContext();
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setColumns(columns_);
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StorageInMemoryMetadata storage_metadata;
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storage_metadata.setColumns(columns_);
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setInMemoryMetadata(storage_metadata);
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task = global_context.getSchedulePool().createTask(log->name(), [this]{ threadFunc(); });
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task->deactivate();
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@ -115,6 +117,7 @@ StorageRabbitMQ::StorageRabbitMQ(
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Pipes StorageRabbitMQ::read(
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const Names & column_names,
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const StorageMetadataPtr & metadata_snapshot,
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const SelectQueryInfo & /* query_info */,
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const Context & context,
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QueryProcessingStage::Enum /* processed_stage */,
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@ -129,8 +132,9 @@ Pipes StorageRabbitMQ::read(
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for (size_t i = 0; i < num_created_consumers; ++i)
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{
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pipes.emplace_back(std::make_shared<SourceFromInputStream>(std::make_shared<RabbitMQBlockInputStream>(
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*this, context, column_names, log)));
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pipes.emplace_back(
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std::make_shared<SourceFromInputStream>(std::make_shared<RabbitMQBlockInputStream>(
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*this, metadata_snapshot, context, column_names, log)));
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}
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LOG_DEBUG(log, "Starting reading {} streams", pipes.size());
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@ -139,9 +143,9 @@ Pipes StorageRabbitMQ::read(
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}
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BlockOutputStreamPtr StorageRabbitMQ::write(const ASTPtr &, const Context & context)
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BlockOutputStreamPtr StorageRabbitMQ::write(const ASTPtr &, const StorageMetadataPtr & metadata_snapshot, const Context & context)
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{
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return std::make_shared<RabbitMQBlockOutputStream>(*this, context);
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return std::make_shared<RabbitMQBlockOutputStream>(*this, metadata_snapshot, context);
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}
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@ -316,7 +320,7 @@ bool StorageRabbitMQ::streamToViews()
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for (size_t i = 0; i < num_created_consumers; ++i)
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{
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auto stream = std::make_shared<RabbitMQBlockInputStream>(*this, rabbitmq_context, block_io.out->getHeader().getNames(), log);
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auto stream = std::make_shared<RabbitMQBlockInputStream>(*this, getInMemoryMetadataPtr(), rabbitmq_context, block_io.out->getHeader().getNames(), log);
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streams.emplace_back(stream);
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// Limit read batch to maximum block size to allow DDL
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@ -32,6 +32,7 @@ public:
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Pipes read(
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const Names & column_names,
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const StorageMetadataPtr & metadata_snapshot,
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const SelectQueryInfo & query_info,
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const Context & context,
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QueryProcessingStage::Enum processed_stage,
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@ -40,6 +41,7 @@ public:
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BlockOutputStreamPtr write(
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const ASTPtr & query,
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const StorageMetadataPtr & metadata_snapshot,
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const Context & context) override;
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void pushReadBuffer(ConsumerBufferPtr buf);
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