Oskar Stenberg <oskar_stenberg@xxxxxxxxxxx> writes: > I need to make some fixed-point calculations inside the C code that I'm > developing as an extension to PostgreSQL. I was reading a bit, and if I > understood the datatype NUMBER correctly, it seems to be just what I'm > looking for, a fixed-point datatype. (I couldn't actually find any > thing in the documentation that specifically mentions that it is a > fixed point datatype. But it seems to work the same. So I might be > wrong here and if so please tell me) I think what you are looking for is NUMERIC. (The type name NUMBER is an Oracle-ism, I believe. I'm not sure how closely that corresponds to our NUMERIC.) > Link to the documentation: > https://www.postgresql.org/docs/current/xfunc-c.html#XFUNC-C-TYPE-TABLE Hmm, that table seems a bit incomplete/out of date. While it's not really meant to cover every type, surely it should mention bigint, numeric, and timestamptz ... regards, tom lane
