Hi Tom, Kevin,
>> I have a query which is running slowly, and the query plan shows an
> unexpected sequence scan where I'd have expected the planner to use an
> index. Setting enable_seqscan=off causes the planner to use the index as
> expected.
>
> That hashjoin plan doesn't look at all unreason
Dan Fairs writes:
> I have a query which is running slowly, and the query plan shows an
unexpected sequence scan where I'd have expected the planner to use an
index. Setting enable_seqscan=off causes the planner to use the index as
expected.
That hashjoin plan doesn't look at all unreasonable to
Dan Fairs wrote:
> I have a query which is running slowly, and the query plan shows
> an unexpected sequence scan where I'd have expected the planner to
> use an index.
Looking at the actual row counts compared to run time, it appears
that the active portion of your data set is heavily cached
Hi,
I'm fairly new to PostgreSQL query tuning, so please forgive me if I've
overlooked something obvious.
I have a query which is running slowly, and the query plan shows an unexpected
sequence scan where I'd have expected the planner to use an index. Setting
enable_seqscan=off causes the plan