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30 lines
731 B
C++
30 lines
731 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 list of all engines
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*/
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class InterpreterShowEnginesQuery : public IInterpreter, WithMutableContext
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{
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public:
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InterpreterShowEnginesQuery(const ASTPtr & query_ptr_, ContextMutablePtr context_)
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: WithMutableContext(context_), query_ptr(query_ptr_) {}
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BlockIO execute() override;
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/// We ignore the quota and limits here because execute() will rewrite a show query as a SELECT query and then
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/// the SELECT query will check the quota and limits.
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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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};
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}
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