Search Postgresql Archives

Re: Understanding EXPLAIN ANALYZE output

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Martijn van Oosterhout <kleptog@xxxxxxxxx> writes:
> I've been wondering about that. A while ago the change was made from
> outputting a NOTICE with the EXPLAIN output to returning a resultset.
> If you could agree on what columns to return it might not be so hard
> for the EXPLAIN to return full tuples...

The major stumbling block to that is that a table is inherently
unordered, so you'd have to devise a labeling scheme to allow the
node-tree structure to be represented properly.  And without WITH or
CONNECT BY, it'd be a bit of a PITA for an application to decipher the
labeling scheme again ...

			regards, tom lane

---------------------------(end of broadcast)---------------------------
TIP 2: you can get off all lists at once with the unregister command
    (send "unregister YourEmailAddressHere" to majordomo@xxxxxxxxxxxxxx)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux