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https://github.com/ClickHouse/ClickHouse.git
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495c6e03aa
* Replace all Context references with std::weak_ptr * Fix shared context captured by value * Fix build * Fix Context with named sessions * Fix copy context * Fix gcc build * Merge with master and fix build * Fix gcc-9 build
35 lines
822 B
C++
35 lines
822 B
C++
#pragma once
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#include <Interpreters/IInterpreter.h>
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#include <Parsers/IAST_fwd.h>
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namespace DB
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{
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class AccessRightsElements;
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class ASTAlterCommand;
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/** Allows you add or remove a column in the table.
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* It also allows you to manipulate the partitions of the MergeTree family tables.
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*/
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class InterpreterAlterQuery : public IInterpreter, WithContext
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{
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public:
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InterpreterAlterQuery(const ASTPtr & query_ptr_, ContextPtr context_);
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BlockIO execute() override;
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static AccessRightsElements getRequiredAccessForCommand(const ASTAlterCommand & command, const String & database, const String & table);
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void extendQueryLogElemImpl(QueryLogElement & elem, const ASTPtr & ast, ContextPtr context) const override;
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private:
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AccessRightsElements getRequiredAccess() const;
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ASTPtr query_ptr;
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};
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}
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