Subject Re: [firebird-support] left join and join 100% cpu usage
Author Jason Dodson
Um.... its just a REALLY LONG QUERY.

Terminating your app does no good because the thread is still in the process of finding all of the records you requested.

It is a left join. No indexes are used.

Jason

jasajona wrote:
> Hello,
>
> I have situation:
>
> select
> ...
> from
> table1
> left join table2 on
> table1.field1 = table2.field1
> join table3 on
> table2.field2 = table3.field1
>
> This query never ends on tables with 80000 records (if I change last
> join to left join query executes in 10s)
> Even if I terminate my application server still utilises 100% cpu
> endlesly. Only way is to restart firebird. I use FBSS1.5.3 WinXP. I
> wrote simplified example of my query if there is possibilitie that
> this can be bug of FB I can write all query.
>
>
>
>
>
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
> Visit http://firebird.sourceforge.net and click the Resources item
> on the main (top) menu. Try Knowledgebase and FAQ links !
>
> Also search the knowledgebases at http://www.ibphoenix.com
>
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
>


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