Use subqueries to find nested members more efficiently
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4 changed files with 23 additions and 24 deletions
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@ -10,9 +10,11 @@ module Api
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# :node_id parameter. note that this used to return deleted ways as well, but
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# this seemed not to be the expected behaviour, so it was removed.
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def index
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way_ids = WayNode.where(:node_id => params[:node_id]).collect { |ws| ws.id[0] }.uniq
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@ways = Way.where(:id => way_ids, :visible => true)
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@ways = Way
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.visible
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.where(:id => WayNode.where(
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:node_id => params[:node_id]
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).select(:way_id))
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# Render the result
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respond_to do |format|
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