Re: Timeseries

2006-05-01 Thread David Hillman
On Apr 28, 2006, at 7:12 PM, David Lindelöf wrote: Is there an easy way to get the last timestamped record not later than a given date/time? Well, yeah, that part is easy. select * from your_table where timestamp < target_time order by timestamp desc limit 1 Your problem seems to b

Re: Timeseries

2006-04-28 Thread Dan Nelson
In the last episode (Apr 29), David Lindelf said: > Is there an easy way to get the last timestamped record not later > than a given date/time? > > I record data for a scientific application and I do not sample my > data at a given, fixed frequency. Instead, whenever a physical value > changes bey