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Don't generate an IN condition with an empty list.

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This commit is contained in:
Tom Hughes 2009-04-21 21:51:02 +00:00
parent e192c77986
commit 2201a7ff32
1 changed files with 4 additions and 1 deletions
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5
app/controllers/trace_controller.rb
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@ -57,7 +57,10 @@ class TraceController < ApplicationController
@tag = params[:tag] @tag = params[:tag]
files = Tracetag.find_all_by_tag(params[:tag]).collect { |tt| tt.gpx_id } files = Tracetag.find_all_by_tag(params[:tag]).collect { |tt| tt.gpx_id }
conditions[0] += " AND gpx_files.id IN (#{files.join(',')})"
if files.length > 0
conditions[0] += " AND gpx_files.id IN (#{files.join(',')})"
end
end end
conditions[0] += " AND gpx_files.visible = ?" conditions[0] += " AND gpx_files.visible = ?"