ClickHouse/dbms/src/Functions/FunctionsRound.cpp

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#include <Functions/FunctionFactory.h>
#include <Functions/FunctionsRound.h>
namespace DB
{
void registerFunctionsRound(FunctionFactory & factory)
{
factory.registerFunction<FunctionRound>("round", FunctionFactory::CaseInsensitive);
factory.registerFunction<FunctionFloor>("floor", FunctionFactory::CaseInsensitive);
factory.registerFunction<FunctionCeil>("ceil", FunctionFactory::CaseInsensitive);
factory.registerFunction<FunctionTrunc>("trunc", FunctionFactory::CaseInsensitive);
factory.registerFunction<FunctionRoundDown>();
/// Compatibility aliases.
factory.registerAlias("ceiling", "ceil", FunctionFactory::CaseInsensitive);
factory.registerAlias("truncate", "trunc", FunctionFactory::CaseInsensitive);
}
}