mirror of
https://github.com/ClickHouse/ClickHouse.git
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92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
#pragma once
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#include <Parsers/ASTQueryWithTableAndOutput.h>
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#include <Parsers/ASTQueryWithOnCluster.h>
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#include <Parsers/ASTDictionary.h>
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#include <Parsers/ASTDictionaryAttributeDeclaration.h>
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#include <Parsers/ASTSelectWithUnionQuery.h>
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namespace DB
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{
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class ASTFunction;
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class ASTSetQuery;
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class ASTStorage : public IAST
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{
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public:
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ASTFunction * engine = nullptr;
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IAST * partition_by = nullptr;
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IAST * primary_key = nullptr;
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IAST * order_by = nullptr;
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IAST * sample_by = nullptr;
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IAST * ttl_table = nullptr;
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ASTSetQuery * settings = nullptr;
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String getID(char) const override { return "Storage definition"; }
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ASTPtr clone() const override;
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void formatImpl(const FormatSettings & s, FormatState & state, FormatStateStacked frame) const override;
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};
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class ASTExpressionList;
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class ASTColumns : public IAST
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{
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public:
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ASTExpressionList * columns = nullptr;
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ASTExpressionList * indices = nullptr;
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ASTExpressionList * constraints = nullptr;
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String getID(char) const override { return "Columns definition"; }
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ASTPtr clone() const override;
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void formatImpl(const FormatSettings & s, FormatState & state, FormatStateStacked frame) const override;
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};
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/// CREATE TABLE or ATTACH TABLE query
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class ASTCreateQuery : public ASTQueryWithTableAndOutput, public ASTQueryWithOnCluster
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{
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public:
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bool attach{false}; /// Query ATTACH TABLE, not CREATE TABLE.
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bool if_not_exists{false};
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bool is_view{false};
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bool is_materialized_view{false};
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bool is_live_view{false};
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bool is_populate{false};
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bool is_dictionary{false}; /// CREATE DICTIONARY
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bool replace_view{false}; /// CREATE OR REPLACE VIEW
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ASTColumns * columns_list = nullptr;
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ASTExpressionList * dictionary_attributes_list = nullptr; /// attributes of dictionary
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ASTExpressionList * tables = nullptr;
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String to_database; /// For CREATE MATERIALIZED VIEW mv TO table.
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String to_table;
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ASTStorage * storage = nullptr;
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String as_database;
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String as_table;
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ASTPtr as_table_function;
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ASTSelectWithUnionQuery * select = nullptr;
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ASTDictionary * dictionary = nullptr; /// dictionary definition (layout, primary key, etc.)
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std::optional<UInt64> live_view_timeout; /// For CREATE LIVE VIEW ... WITH TIMEOUT ...
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/** Get the text that identifies this element. */
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String getID(char delim) const override { return (attach ? "AttachQuery" : "CreateQuery") + (delim + database) + delim + table; }
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ASTPtr clone() const override;
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ASTPtr getRewrittenASTWithoutOnCluster(const std::string & new_database) const override
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{
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return removeOnCluster<ASTCreateQuery>(clone(), new_database);
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}
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protected:
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void formatQueryImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const override;
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};
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}
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