
create table test1 (a Float32,  b Float32 ) engine = MergeTree order by a ;
insert into test1 values (0.1,0.1), (0.2,0.2);
select count() from test1 where b = 0.1;
0 
select count() from test1 where b = toFloat32(0.1);
1
select count() from test1 where a > 0;
0
select count() from test1 where a > 0.0;
2
select count() from test1 where b > 0;
2

version 22.1.3.7  

if (is_constant_transformed)
            {
                if (func_name == "less")
                    func_name = "lessOrEquals";
                else if (func_name == "greater")
                    func_name = "greaterOrEquals";
            }
        }
        else
            return false;
        const auto atom_it = atom_map.find(func_name);
        out.key_column = key_column_num;
        out.monotonic_functions_chain = std::move(chain);
        return atom_it->second(out, const_value);
    }
    else if (getConstant(node, block_with_constants, const_value, const_type))
    {
        
        if (const_value.getType() == Field::Types::UInt64)
        {
            out.function = const_value.safeGet<UInt64>() ? RPNElement::ALWAYS_TRUE : RPNElement::ALWAYS_FALSE;
            return true;
        }
        else if (const_value.getType() == Field::Types::Int64)
        {
            out.function = const_value.safeGet<Int64>() ? RPNElement::ALWAYS_TRUE : RPNElement::ALWAYS_FALSE;
            return true;
        }
        else if (const_value.getType() == Field::Types::Float64)
        {