On Wed, Sep 24, 2014 at 10:52 AM, Rob Golsteijn <rob.golste...@mapscape.eu>
wrote:

>
> Sqlite decides to create an AUTOMATIC INDEX (time complexity O(n log n))
> which it then uses to iterate table aaa1. This index is not re-used for
> anything else (it can't be re-used since 'type' is not used anywhere else)
> so only the traversal of table aaa1 benefits from this index. However, I
> think, a full table scan of aaa1 (time complexity O(n)) would always be
> faster, since for creating the index it has to read that entire table
> anyway.
>
> I'm using sqlite version 3.8.4.3
>


Thanks for the report.  That problem appears to have been fixed in SQLite
3.8.6.

-- 
D. Richard Hipp
d...@sqlite.org
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