[OSM-dev] rails schema + mysql on dev v slow
Richard Fairhurst
richard at systemeD.net
Tue May 15 17:44:10 BST 2007
Dan Moore wrote:
> the rails db/schema.rb creates 'current_nodes_id_idx' on
> 'current_nodes' which seems to duplicate the primary key id index
> created by default. should this be removed?
As a point of comparison, current_segments has a compound index on id
and visible.
(What do we gain from having nodes/segments/ways with visible=0 in the
current_ tables anyway? Genuine question.)
cheers
Richard
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