Archiwizowane April, 2014

On 13th of April, Tom Lane committed patch: Provide moving-aggregate support for a bunch of numerical aggregates. First installment of the promised moving-aggregate support in built-in aggregates: count(), sum(), avg(), stddev() and variance() for assorted datatypes, though not for float4/float8. In passing, remove a 2001-vintage ...

Every now and then someone asks, on irc or mailing lists, some question which shows deep misunerstanding (or lack of understanding) of timestamps - especially the ones with time zones. Since I got bitten by this before, let me describe what ...