2021-01-04 20:55:32 +00:00
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#pragma once
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#include <Parsers/IAST_fwd.h>
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#include <Core/Block.h>
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#include <Core/NamesAndTypes.h>
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#include <Interpreters/Aliases.h>
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#include <Interpreters/SelectQueryOptions.h>
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#include <Interpreters/DatabaseAndTableWithAlias.h>
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#include <Storages/IStorage_fwd.h>
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namespace DB
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{
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struct StorageInMemoryMetadata;
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using StorageMetadataPtr = std::shared_ptr<const StorageInMemoryMetadata>;
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class WhereConstraintsOptimizer final
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{
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public:
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2021-05-04 18:43:58 +00:00
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WhereConstraintsOptimizer(
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ASTSelectQuery * select_query,
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const StorageMetadataPtr & metadata_snapshot);
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2021-01-04 20:55:32 +00:00
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void perform();
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private:
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ASTSelectQuery * select_query;
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const StorageMetadataPtr & metadata_snapshot;
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};
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}
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