USE plato; SELECT some(key), some(cast(key as int8)), some(cast(key as uint16)), some(cast(key as int32)), some(1u/0u), some(2), some(if(key=10u,key)), some(if(key=100u,key)), some(false), some(key=10u), some(key>=10u), some(key=20u), some(if(key=10u,true)), some(if(key=100u,true)), some(if(key>=10u,true)), FROM Input