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32 lines
555 B
C++
32 lines
555 B
C++
#pragma once
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#include <DB/Parsers/ASTUseQuery.h>
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#include <DB/Interpreters/Context.h>
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namespace DB
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{
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/** Выбрать БД по-умолчанию для сессии.
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*/
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class InterpreterUseQuery
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{
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public:
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InterpreterUseQuery(ASTPtr query_ptr_, Context & context_)
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: query_ptr(query_ptr_), context(context_) {}
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void execute()
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{
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const String & new_database = dynamic_cast<const ASTUseQuery &>(*query_ptr).database;
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context.getSessionContext().setCurrentDatabase(new_database);
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}
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private:
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ASTPtr query_ptr;
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Context & context;
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};
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}
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