apparently your understanding is quite limited...
I have stated a am new to this in the original question, not sure why you feel the need to say explicitly what is already implied.
there is no positive or negative for any diode ! simply get used to it
It was said just a few post before, this is why I specifically said cathode/anode instead of positive/negative.
any diode is a one-way valve - it let the current go from anode to cathode (conventional current direction model) and blocks the current in the opposite way - that's valid for ANY diode even for the LEDs you're mentioning - but those leds have a visible side effect - they emit light while letting the current go
This only makes me think that in practice it does have what you might call positive/negative even though theoretically it does not. There is anode to which you connect + voltage and a cathode to which you connect -. It's one thing to correct me so I know next time, but you must have known what I meant? Why not correct my miss understandings AND answer my question too? It's kind of like if foreigner asked me a question in bad english but I knew what they meant I would just answer the question instead of saying their english is bad, because it would be rude and unhelpful to just do the latter.
now to the direction of the shottky in your schematic - probably you don't even know... but the switching regulator is called switching because of some switching (on-off-on-off-on) is done inside... when the switch is ON - trhe current goes throught the switch and inductor to the load. when the switch is off - you need to somehow catch the energy stored in the inductor - and that's the job of that shottky diode. and actually it's sometimes called a "catch diode".
when you connect the cathode to ground and anode to the switch - then you simply let the current go from the switch to the ground and it doesn't work as you already realized.
when you connect the anothde to ground and cathode to the switch, it will exactly do what it's supposed to do - catch the energy stored in the inductor when the switch is off.
So you think I learned how to use cad software, drew the schematic, laid out the PCB, ordered all the components, went through the process of making my own PCB and I don't even know the core method of operation of the thing I am building? This is just condescending and improbable to the point where it makes you look silly for saying it...