Hi, Christopphe, On Wed, Jan 8, 2025 at 1:34 PM Christophe Pettus <xof@xxxxxxxxxxxx> wrote: > > > > > On Jan 8, 2025, at 11:30, Igor Korot <ikorot01@xxxxxxxxx> wrote: > > There is no boolean - it is 0-4 inclusive. > > Unless you have somehow gotten PostgreSQL running on an IBM 7070, the range 0-4 can be represented by three binary digits, aka booleans. :-) The only booleans I know of are 0 and 1. ;-) > > To be serious, though, the situation is: > > 1. If there are just one or two tinyints, having a tinyint type wouldn't save any space in the row. No it is not a lot of them. So then "smallint" is the best bet, right? Thank you > 2. If there are a lot of them, it's worth encoding them into a bitstring.
