Michael Lewis writes:
>> When you join to a view, the view sticks together, as if they were all in
>> parentheses. But when you substitute the text of a view into another
>> query, then they are all on the same level and can be parsed differently.
>>
>> Consider the difference between "1+1 *
>
> When you join to a view, the view sticks together, as if they were all in
> parentheses. But when you substitute the text of a view into another
> query, then they are all on the same level and can be parsed differently.
>
> Consider the difference between "1+1 * 3", and "(1+1) * 3"
>
I
On Wed, Oct 9, 2019 at 10:56 AM Yavuz Selim Sertoğlu (ETIYA) <
yavuz.serto...@etiya.com> wrote:
> Thanks for the reply Tom,
>
> Sorry, I couldn't understand. I just copied inside of view and add
> conditions from query that runs with view.
> The comma parts are the same in two queries, one is
>
> Those are not equivalent queries. Read up on the syntax of FROM;
> particularly, that JOIN binds more tightly than comma.
>
I see this-
"A JOIN clause combines two FROM items, which for convenience we will refer
to as “tables”, though in reality they can be any type of FROM item. Use
2019 16:57
To: Yavuz Selim Sertoğlu (ETIYA)
Cc: pgsql-performance@lists.postgresql.org
Subject: Re: Query slows when used with view
=?iso-8859-9?Q?Yavuz_Selim_Serto=F0lu_=28ETIYA=29?=
writes:
> I have a problem with views. When I use view in my query it really slows
> down(1.7seconds)
>
=?iso-8859-9?Q?Yavuz_Selim_Serto=F0lu_=28ETIYA=29?=
writes:
> I have a problem with views. When I use view in my query it really slows
> down(1.7seconds)
> If I use inside of view and add conditions and joins to it, it is really
> fast(0.7 milliseconds).
> I have no distinct/group/partition by
Hi all,
I have a problem with views. When I use view in my query it really slows
down(1.7seconds)
If I use inside of view and add conditions and joins to it, it is really
fast(0.7 milliseconds).
I have no distinct/group/partition by in view so I have no idea why is this
happening.
I wrote
