| From: | Gourav Kumar <gourav1905(at)gmail(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | fabriziomello(at)gmail(dot)com, Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Subject: | Re: Disable cross products in postgres |
| Date: | 2017-10-13 22:30:15 |
| Message-ID: | CAPzqDmgAqcfEaCSzXYm5D2-WLjK2O3Shqmh6mDW3UtNfCW+vgg@mail.gmail.com |
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| Lists: | pgsql-hackers |
I want to get the join graph of a given query. Which has node for each
relation and an edge between two nodes if they have a join predicate among
them.
On 14-Oct-2017 3:58 AM, "Andres Freund" <andres(at)anarazel(dot)de> wrote:
> On 2017-10-14 03:49:57 +0530, Gourav Kumar wrote:
> > But then is there some way to tell Optimizer not to consider transitive
> > joins ?
>
> What are you actually trying to achieve here?
>
> - Andres
>
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