ClickHouse/src/Functions/less.cpp

31 lines
824 B
C++
Raw Normal View History

#include <Functions/FunctionFactory.h>
#include <Functions/FunctionsComparison.h>
namespace DB
{
using FunctionLess = FunctionComparison<LessOp, NameLess>;
void registerFunctionLess(FunctionFactory & factory)
{
factory.registerFunction<FunctionLess>();
}
template <>
2020-10-17 14:23:37 +00:00
ColumnPtr FunctionComparison<LessOp, NameLess>::executeTupleImpl(
const ColumnsWithTypeAndName & x, const ColumnsWithTypeAndName & y, size_t tuple_size, size_t input_rows_count) const
{
auto less = FunctionFactory::instance().get("less", context);
return executeTupleLessGreaterImpl(
less,
less,
FunctionFactory::instance().get("and", context),
FunctionFactory::instance().get("or", context),
FunctionFactory::instance().get("equals", context),
2020-10-17 14:23:37 +00:00
x, y, tuple_size, input_rows_count);
}
}