> On Dec 4, 2016, at 9:32 AM, Justin Pryzby <pryzby@xxxxxxxxxxxxx> wrote: > > Our application INSERTs data from external sources, and infrequently UPDATEs > the previously-inserted data (currently, it first SELECTs to determine whether > to UPDATE). > > I'm implementing unique indices to allow "upsert" (and pg_repack and..), but > running into a problem when the table has >830 columns (we have some tables > which are at the 1600 column limit, and have previously worked around that > limit using arrays or multiple tables). > > I tried to work around the upsert problem by using pygresql inline=True > (instead of default PREPAREd statements) but both have the same issue. > > I created a test script which demonstrates the problem (attached). > > It seems to me that there's currently no way to "upsert" such a wide table? Pardon my intrusion here, but I'm really curious what sort of datum has so many attributes? -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general