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54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
#pragma once
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#include <Core/QueryProcessingStage.h>
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#include <Interpreters/ClusterProxy/IStreamFactory.h>
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#include <Storages/IStorage_fwd.h>
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namespace DB
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{
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namespace ClusterProxy
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{
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class SelectStreamFactory final : public IStreamFactory
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{
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public:
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/// Database in a query.
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SelectStreamFactory(
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const Block & header_,
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QueryProcessingStage::Enum processed_stage_,
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StorageID main_table_,
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const Scalars & scalars_,
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bool has_virtual_shard_num_column_,
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const Tables & external_tables);
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/// TableFunction in a query.
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SelectStreamFactory(
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const Block & header_,
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QueryProcessingStage::Enum processed_stage_,
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ASTPtr table_func_ptr_,
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const Scalars & scalars_,
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bool has_virtual_shard_num_column_,
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const Tables & external_tables_);
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void createForShard(
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const Cluster::ShardInfo & shard_info,
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const String & query, const ASTPtr & query_ast,
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const Context & context, const ThrottlerPtr & throttler,
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const SelectQueryInfo & query_info,
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Pipes & res) override;
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private:
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const Block header;
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QueryProcessingStage::Enum processed_stage;
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StorageID main_table = StorageID::createEmpty();
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ASTPtr table_func_ptr;
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Scalars scalars;
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bool has_virtual_shard_num_column = false;
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Tables external_tables;
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};
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}
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}
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