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use arel ast construction rather than generating strings

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This commit is contained in:
Aaron Patterson
2011-01-05 09:47:13 -08:00
parent 35a225535f
commit e468a62dc8
1 changed files with 7 additions and 1 deletions
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8
activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb
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@@ -68,7 +68,13 @@ module ActiveRecord
end
def construct_joins
"INNER JOIN #{@owner.connection.quote_table_name @reflection.options[:join_table]} ON #{@reflection.quoted_table_name}.#{@reflection.klass.primary_key} = #{@owner.connection.quote_table_name @reflection.options[:join_table]}.#{@reflection.association_foreign_key}"
right = join_table
left = @reflection.klass.arel_table
condition = left[@reflection.klass.primary_key].eq(
right[@reflection.association_foreign_key])
right.create_join(right, right.create_on(condition))
end
def join_table