On Jun 8, 5:09 am, beewee [EMAIL PROTECTED] wrote:
Hi,
thanks for your answers.
Other improvements would include (as previously stated by Michael)
would be to make sure you have indexed all of the items in your WHERE,
ORDER BY, and ON clauses.
I created this index:
create index
Hi,
thanks for your answers.
Other improvements would include (as previously stated by Michael)
would be to make sure you have indexed all of the items in your WHERE,
ORDER BY, and ON clauses.
I created this index:
create index viewforum on forum_post (topic_id, id);
Is this right?
As a
Hi,
create index viewforum on forum_post (topic_id, id);
You probably want:
create index forum_post_topic_id on forum_post (topic_id);
Paul
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create index viewforum on forum_post (topic_id, id);
You probably want:
create index forum_post_topic_id on forum_post (topic_id);
are you sure? A key on topic_id and id makes my query much faster for
low offsets, while without it the query takes even for low offsets
10 seconds.
Benjamin
Hi,
create index forum_post_topic_id on forum_post (topic_id);
are you sure? A key on topic_id and id makes my query much faster for
low offsets, while without it the query takes even for low offsets
10 seconds.
I didn't follow the beginning of this thread, so I'm not sure exactly
It looks like your sub-select (before the joins) is processing up to
140,015 records, so that will slow things down since the database may
not optimize that sub-selection based upon your outer joins. As a
quick check, try reducing the 140,000 offset to 0 (I know this won't
work for your
Hi,
I merged the two tables into a single one, changed the mapping but the
query still needs more than 10 seconds :/
That's how EXPLAIN looks like now: http://paste.pocoo.org/show/63542/
I think the problem is this one:
| 2 | DERIVED | forum_post | ALL|
forum_post_topic_id
for starters I'd combine post_table and post_text_table into
onenot much is accomplished there by having two tables. Also make
sure forum_post.topic_id is indexed.
On Jun 5, 2008, at 1:37 PM, beewee wrote:
Hi,
we're writing a bulleting board using sqlalchemy at the moment, but we
