> On Sep 4, 2019, at 9:14 PM, Adrian Klaver <adrian.klaver@xxxxxxxxxxx> wrote: > >> On 9/4/19 5:23 PM, Rob Sargent wrote: >> I've found the description of floating point types (here <https://www.postgresql.org/docs/10/datatype-numeric.html#DATATYPE-FLOAT>), but I'm looking for the rationale of the output format, particularly with respect to total digits presented (variable in a single select's output) and the dropping of a trailing zero (to some implying a loss of precision). Is the code my only guide here? > > Some examples would help explain your concerns. > > Bottom line, if you want precision use numeric. > > > When at my desk I’ll give example. Actual precision is not the issue. Purely cosmetics.