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31 lines
544 B
C++
31 lines
544 B
C++
#pragma once
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#include <DB/Interpreters/Context.h>
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#include <DB/Interpreters/IInterpreter.h>
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namespace DB
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{
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/** Вернуть названия и типы столбцов указанной таблицы.
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*/
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class InterpreterDescribeQuery : public IInterpreter
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{
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public:
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InterpreterDescribeQuery(ASTPtr query_ptr_, const Context & context_)
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: query_ptr(query_ptr_), context(context_) {}
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BlockIO execute() override;
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private:
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ASTPtr query_ptr;
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Context context;
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Block getSampleBlock();
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BlockInputStreamPtr executeImpl();
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};
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}
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