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70d1adfe4b
* save format string for NetException * format exceptions * format exceptions 2 * format exceptions 3 * format exceptions 4 * format exceptions 5 * format exceptions 6 * fix * format exceptions 7 * format exceptions 8 * Update MergeTreeIndexGin.cpp * Update AggregateFunctionMap.cpp * Update AggregateFunctionMap.cpp * fix
57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
#pragma once
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#include "config.h"
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#if USE_MYSQL
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#include <Storages/StorageProxy.h>
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namespace DB
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{
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namespace ErrorCodes
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{
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extern const int NOT_IMPLEMENTED;
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}
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class StorageMaterializedMySQL final : public StorageProxy
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{
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public:
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StorageMaterializedMySQL(const StoragePtr & nested_storage_, const IDatabase * database_);
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String getName() const override { return "MaterializedMySQL"; }
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bool needRewriteQueryWithFinal(const Names & column_names) const override;
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void read(
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QueryPlan & query_plan,
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const Names & column_names,
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const StorageSnapshotPtr & metadata_snapshot,
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SelectQueryInfo & query_info,
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ContextPtr context,
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QueryProcessingStage::Enum processed_stage,
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size_t max_block_size, size_t num_streams) override;
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SinkToStoragePtr write(const ASTPtr &, const StorageMetadataPtr &, ContextPtr) override { throwNotAllowed(); }
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NamesAndTypesList getVirtuals() const override;
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ColumnSizeByName getColumnSizes() const override;
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StoragePtr getNested() const override { return nested_storage; }
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void drop() override { nested_storage->drop(); }
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private:
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[[noreturn]] static void throwNotAllowed()
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{
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throw Exception(ErrorCodes::NOT_IMPLEMENTED, "This method is not allowed for MaterializedMySQL");
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}
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StoragePtr nested_storage;
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const IDatabase * database;
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};
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}
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#endif
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