Re: checking the gaps in intervals

Anton Gavazuk <antongavazuk@gmail.com> wrote:

> Hi dear community,
> 
> Have probably quite simple task but cannot find the solution,
> 
> Imagine the table A with 2 columns start and end, data type is date
> 
> start          end
> 01 dec.     10 dec
> 11 dec.     13 dec
> 17 dec.     19 dec
> .....
> 
> If I have interval, for example, 12 dec-18 dec, how can I determine
> that the interval cannot be fully covered by values from table A
> because of the gap 14-16 dec? Looking for solution and unfortunately
> nothing has come to the mind yet...

I'm thinking about a solution with DATERANGE (PostgreSQL 9.2)...


Are start and end including or excluding?


Andreas
-- 
Really, I'm not out to destroy Microsoft. That will just be a completely
unintentional side effect.                              (Linus Torvalds)
"If I was god, I would recompile penguin with --enable-fly."   (unknown)
Kaufbach, Saxony, Germany, Europe.              N 51.05082°, E 13.56889°