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33 lines
684 B
C++
33 lines
684 B
C++
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#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 Context;
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/// Returns a list of columns which meet some conditions.
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class InterpreterShowColumnsQuery : public IInterpreter, WithMutableContext
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{
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public:
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InterpreterShowColumnsQuery(const ASTPtr & query_ptr_, ContextMutablePtr context_);
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BlockIO execute() override;
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/// Ignore quota and limits here because execute() produces a SELECT query which checks quotas/limits by itself.
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bool ignoreQuota() const override { return true; }
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bool ignoreLimits() const override { return true; }
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private:
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ASTPtr query_ptr;
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String getRewrittenQuery();
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};
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}
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