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27 lines
520 B
C++
27 lines
520 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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/** Return names, types and other information about columns in specified table.
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*/
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class InterpreterDescribeQuery : public IInterpreter, WithContext
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{
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public:
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InterpreterDescribeQuery(const ASTPtr & query_ptr_, ContextPtr context_) : WithContext(context_), query_ptr(query_ptr_) {}
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BlockIO execute() override;
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static Block getSampleBlock(bool include_subcolumns);
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private:
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ASTPtr query_ptr;
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};
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}
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