ClickHouse/dbms/src/Functions/lower.cpp
2018-12-06 16:22:57 +03:00

23 lines
554 B
C++

#include <DataTypes/DataTypeString.h>
#include <Functions/FunctionFactory.h>
#include <Functions/FunctionStringToString.h>
#include <Functions/LowerUpperImpl.h>
namespace DB
{
struct NameLower
{
static constexpr auto name = "lower";
};
using FunctionLower = FunctionStringToString<LowerUpperImpl<'A', 'Z'>, NameLower>;
void registerFunctionLower(FunctionFactory & factory)
{
factory.registerFunction<FunctionLower>(FunctionFactory::CaseInsensitive);
factory.registerAlias("lcase", NameLower::name, FunctionFactory::CaseInsensitive);
}
}