ClickHouse

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#include <Functions/FunctionFactory.h>
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#include <Functions/FunctionsRound.h>
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namespace DB
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{
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REGISTER_FUNCTION(Round)
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{
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    factory.registerFunction<FunctionRound>({}, FunctionFactory::CaseInsensitive);
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    factory.registerFunction<FunctionRoundBankers>({}, FunctionFactory::CaseSensitive);
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    factory.registerFunction<FunctionFloor>({}, FunctionFactory::CaseInsensitive);
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    factory.registerFunction<FunctionCeil>({}, FunctionFactory::CaseInsensitive);
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    factory.registerFunction<FunctionTrunc>({}, FunctionFactory::CaseInsensitive);
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    factory.registerFunction<FunctionRoundDown>();
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    /// Compatibility aliases.
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    factory.registerAlias("ceiling", "ceil", FunctionFactory::CaseInsensitive);
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    factory.registerAlias("truncate", "trunc", FunctionFactory::CaseInsensitive);
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}
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}
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