>>>>> "Dean" == Dean Rasheed <dean.a.rash...@gmail.com> writes:
>> Maybe INT8 would be a better choice than INT4? But I'm not sure >> there's any practical use-case for more than 30 grouping sets >> anyway. Keep in mind the actual output volume probably grows like >> 2^N. Dean> Actually using ROLLUP the output volume only grows linearly with Dean> N. I tend to think that having such a large number of grouping Dean> sets would be unlikely, however, it seems wrong to be putting an Dean> arbitrary limit on it that's significantly smaller than the Dean> number of columns allowed in a table. Limit on what exactly? Consider that in both MSSQL 2014 and Oracle 12 the limit on the number of arguments in a GROUPING() expression is ... 1. -- Andrew (irc:RhodiumToad) -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
