2016-12-15 16:23 GMT+01:00 Adrian Klaver <adrian.kla...@aklaver.com>:
> On 12/15/2016 07:17 AM, Tom DalPozzo wrote: Hi, > > it's not clear to me when tuple data (max 1000 bytes total) get > > compressed on disk and when not. > > I tried with pg_column_size to find the tuple's size but I get ambiguous > > results. > > > What is the table definition? > Maybe this will help?: > https://www.postgresql.org/docs/9.5/static/storage-toast.html > It seems to work but sometimes the tuples seem compressed and sometime not. > > I tried both with constant data and random bytes. > > >> Thanks > > Pupillo > > >> >> > > -- Adrian Klaver adrian.kla...@aklaver.com Hi, definition: create table stato (id bigint, dati bytea); then I populate the dati field with 100 bytes. Pupillo