2013-11-08 17:43:03 +00:00
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#pragma once
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2017-06-06 17:18:32 +00:00
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#include <ext/shared_ptr_helper.h>
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2016-08-26 21:25:05 +00:00
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2019-03-11 14:01:45 +00:00
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#include <Parsers/IAST_fwd.h>
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2020-01-29 17:44:16 +00:00
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#include <Parsers/ASTSelectWithUnionQuery.h>
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2017-07-25 21:07:05 +00:00
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#include <Storages/IStorage.h>
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2020-01-29 17:44:16 +00:00
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#include <Storages/StorageInMemoryMetadata.h>
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2013-11-08 17:43:03 +00:00
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namespace DB
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{
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2021-05-31 14:49:02 +00:00
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class StorageMaterializedView final : public ext::shared_ptr_helper<StorageMaterializedView>, public IStorage, WithMutableContext
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2016-08-26 21:25:05 +00:00
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{
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2019-08-26 19:07:29 +00:00
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friend struct ext::shared_ptr_helper<StorageMaterializedView>;
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2013-11-08 17:43:03 +00:00
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public:
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std::string getName() const override { return "MaterializedView"; }
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bool isView() const override { return true; }
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2019-07-09 15:40:21 +00:00
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2020-04-10 01:35:37 +00:00
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bool hasInnerTable() const { return has_inner_table; }
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2013-11-08 17:43:03 +00:00
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2017-10-21 20:08:49 +00:00
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bool supportsSampling() const override { return getTargetTable()->supportsSampling(); }
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bool supportsPrewhere() const override { return getTargetTable()->supportsPrewhere(); }
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bool supportsFinal() const override { return getTargetTable()->supportsFinal(); }
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bool supportsIndexForIn() const override { return getTargetTable()->supportsIndexForIn(); }
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bool supportsParallelInsert() const override { return getTargetTable()->supportsParallelInsert(); }
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2020-12-22 16:40:53 +00:00
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bool supportsSubcolumns() const override { return getTargetTable()->supportsSubcolumns(); }
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bool mayBenefitFromIndexForIn(const ASTPtr & left_in_operand, ContextPtr query_context, const StorageMetadataPtr & /* metadata_snapshot */) const override
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{
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2020-06-17 09:38:47 +00:00
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auto target_table = getTargetTable();
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auto metadata_snapshot = target_table->getInMemoryMetadataPtr();
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return target_table->mayBenefitFromIndexForIn(left_in_operand, query_context, metadata_snapshot);
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2019-02-27 18:26:24 +00:00
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}
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2014-10-07 23:08:56 +00:00
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2021-04-10 23:33:54 +00:00
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BlockOutputStreamPtr write(const ASTPtr & query, const StorageMetadataPtr & /*metadata_snapshot*/, ContextPtr context) override;
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2018-03-20 13:42:44 +00:00
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2020-01-22 11:30:11 +00:00
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void drop() override;
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2021-04-10 23:33:54 +00:00
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void dropInnerTable(bool no_delay, ContextPtr context);
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2018-03-20 13:42:44 +00:00
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2021-04-10 23:33:54 +00:00
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void truncate(const ASTPtr &, const StorageMetadataPtr &, ContextPtr, TableExclusiveLockHolder &) override;
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2018-04-21 00:35:20 +00:00
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2020-06-17 13:39:26 +00:00
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bool optimize(
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const ASTPtr & query,
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const StorageMetadataPtr & metadata_snapshot,
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const ASTPtr & partition,
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bool final,
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bool deduplicate,
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const Names & deduplicate_by_columns,
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ContextPtr context) override;
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2018-03-20 13:42:44 +00:00
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2021-04-10 23:33:54 +00:00
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void alter(const AlterCommands & params, ContextPtr context, TableLockHolder & table_lock_holder) override;
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2020-01-29 17:44:16 +00:00
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2021-02-25 10:07:48 +00:00
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void checkMutationIsPossible(const MutationCommands & commands, const Settings & settings) const override;
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void checkAlterIsPossible(const AlterCommands & commands, ContextPtr context) const override;
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2020-01-29 17:44:16 +00:00
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2021-04-10 23:33:54 +00:00
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Pipe alterPartition(const StorageMetadataPtr & metadata_snapshot, const PartitionCommands & commands, ContextPtr context) override;
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2018-11-13 13:48:53 +00:00
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2020-07-14 08:19:39 +00:00
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void checkAlterPartitionIsPossible(const PartitionCommands & commands, const StorageMetadataPtr & metadata_snapshot, const Settings & settings) const override;
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void mutate(const MutationCommands & commands, ContextPtr context) override;
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2018-03-20 13:42:44 +00:00
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2020-04-07 14:05:51 +00:00
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void renameInMemory(const StorageID & new_table_id) override;
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2019-05-07 06:54:55 +00:00
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2017-12-16 01:41:06 +00:00
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void shutdown() override;
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2018-08-01 17:41:18 +00:00
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2021-04-22 13:32:17 +00:00
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QueryProcessingStage::Enum
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getQueryProcessingStage(ContextPtr, QueryProcessingStage::Enum, const StorageMetadataPtr &, SelectQueryInfo &) const override;
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2018-04-19 14:47:09 +00:00
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2018-10-17 14:08:52 +00:00
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StoragePtr getTargetTable() const;
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StoragePtr tryGetTargetTable() const;
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2019-04-08 05:13:16 +00:00
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ActionLock getActionLock(StorageActionBlockType type) override;
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2020-08-03 13:54:14 +00:00
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Pipe read(
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const Names & column_names,
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2020-06-15 19:08:58 +00:00
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const StorageMetadataPtr & /*metadata_snapshot*/,
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2020-09-20 17:52:17 +00:00
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SelectQueryInfo & query_info,
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ContextPtr context,
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2018-04-19 14:47:09 +00:00
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QueryProcessingStage::Enum processed_stage,
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2019-02-18 23:38:44 +00:00
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size_t max_block_size,
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2017-06-02 15:54:39 +00:00
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unsigned num_streams) override;
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2013-11-08 17:43:03 +00:00
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2020-09-29 16:21:58 +00:00
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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 StorageMetadataPtr & metadata_snapshot,
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2020-11-10 12:02:22 +00:00
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SelectQueryInfo & query_info,
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ContextPtr context,
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2020-09-29 16:21:58 +00:00
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QueryProcessingStage::Enum processed_stage,
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size_t max_block_size,
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unsigned num_streams) override;
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2019-04-04 13:13:59 +00:00
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Strings getDataPaths() const override;
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2018-02-21 19:26:59 +00:00
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2013-11-08 17:43:03 +00:00
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private:
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2019-12-30 18:20:43 +00:00
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/// Will be initialized in constructor
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StorageID target_table_id = StorageID::createEmpty();
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2017-10-21 20:08:49 +00:00
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bool has_inner_table = false;
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2017-07-25 21:07:05 +00:00
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2018-03-20 13:42:44 +00:00
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void checkStatementCanBeForwarded() const;
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2017-11-04 03:20:18 +00:00
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protected:
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StorageMaterializedView(
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const StorageID & table_id_,
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ContextPtr local_context,
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const ASTCreateQuery & query,
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const ColumnsDescription & columns_,
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bool attach_);
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2013-11-08 17:43:03 +00:00
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};
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}
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