On 12/22/2015 02:40 AM, Craig Ringer wrote:
> On 21 December 2015 at 23:57, Viktor Leis <mailto:l...@in.tum.de>> wrote:
>
>
>
> Please have a look at Figure 6 (page 6) in
> http://www.vldb.org/pvldb/vol9/p204-leis.pdf Disabling nested loop
> joins wit
Am 21.12.2015 um 15:42 schrieb Tom Lane:
> Viktor Leis writes:
>> I think it would be a good start to distinguish between nested loop
>> joins with and without a index.
>
> We do.
>
>> In my opinion, the latter should simply NEVER be chosen.
>
> So, if you&
Am 21.12.2015 um 09:22 schrieb Albe Laurenz:
> Viktor Leis wrote:
>> We have recently performed an experimental evaluation of PostgreSQL's
>> query optimizer. For example, we measured the contributions of
>> cardinality estimation and the cost model on the overall que
avoid many bad situations
would be to disable nested loop joins when the inner relation is NOT
an index scan.
I hope this will be of interest to some of you.
--
Viktor Leis
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