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authorRafael Mendonça França <rafaelmfranca@gmail.com>2013-07-23 05:29:17 -0700
committerRafael Mendonça França <rafaelmfranca@gmail.com>2013-07-23 05:29:17 -0700
commitc4b93f57e1c29d6e1726d23d6ac2fdb75af9bdab (patch)
tree7fdbeebaac918d4cef96f2b294697e2c2cf850db /activerecord/lib
parente0db277be0a57386d299fc0a231b585a612eb9ba (diff)
parentb289519f4ff7829271674d66d3196e1ee23056b6 (diff)
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Merge pull request #11563 from 90yukke/fix-nomethoderror-on-non-attribute-equalities
Fix merge error when Equality LHS is non-attribute.
Diffstat (limited to 'activerecord/lib')
-rw-r--r--activerecord/lib/active_record/relation/spawn_methods.rb5
1 files changed, 3 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/relation/spawn_methods.rb b/activerecord/lib/active_record/relation/spawn_methods.rb
index 90f2ac3cde..b734fc5c51 100644
--- a/activerecord/lib/active_record/relation/spawn_methods.rb
+++ b/activerecord/lib/active_record/relation/spawn_methods.rb
@@ -32,11 +32,12 @@ module ActiveRecord
merged_wheres = @where_values + r.where_values
unless @where_values.empty?
- # Remove duplicates, last one wins.
+ # Remove duplicate ARel attributes. Last one wins.
seen = Hash.new { |h,table| h[table] = {} }
merged_wheres = merged_wheres.reverse.reject { |w|
nuke = false
- if w.respond_to?(:operator) && w.operator == :==
+ if w.respond_to?(:operator) && w.operator == :== &&
+ w.left.respond_to?(:relation)
name = w.left.name
table = w.left.relation.name
nuke = seen[table][name]