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39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
#pragma once
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#include <memory>
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#include <Interpreters/Context_fwd.h>
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#include <Interpreters/ExternalLoader.h>
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#include <Interpreters/UserDefinedExecutableFunction.h>
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namespace DB
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{
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class IExternalLoaderConfigRepository;
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/// Manages external user-defined functions.
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class ExternalUserDefinedExecutableFunctionsLoader : public ExternalLoader, WithContext
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{
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public:
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using UserDefinedExecutableFunctionPtr = std::shared_ptr<const UserDefinedExecutableFunction>;
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/// External user-defined functions will be loaded immediately and then will be updated in separate thread, each 'reload_period' seconds.
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explicit ExternalUserDefinedExecutableFunctionsLoader(ContextPtr global_context_);
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UserDefinedExecutableFunctionPtr getUserDefinedFunction(const std::string & user_defined_function_name) const;
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UserDefinedExecutableFunctionPtr tryGetUserDefinedFunction(const std::string & user_defined_function_name) const;
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void reloadFunction(const std::string & user_defined_function_name) const;
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protected:
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LoadablePtr create(const std::string & name,
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const Poco::Util::AbstractConfiguration & config,
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const std::string & key_in_config,
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const std::string & repository_name) const override;
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};
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}
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