> select ways_tags.way_id, tag_keys.key, tags.value
> from ways_tags
>   join tags on ways_tags.tag_id = tags.tag_id
>   join tag_keys on tags.key_id = tag_keys.key_id
> where ways_tags.way_id in (
>     select way_nodes.way_id
>     from way_nodes
>       join nodes on way_nodes.node_id = nodes.node_id
>     where nodes.latitude between 49.00 and 49.22
>       and nodes.longitude between 14.88 and 15.10 )

Hi David,
I've tried this select. Execution time is approximately 6 times
longer...I've noticed somewhere that using JOIN and IN together
doesn't work well. Maybe this is the case.
But thanks for this idea.

Martin

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