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Cache Model.arel_table

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This commit is contained in:
Pratik Naik 2010-01-17 03:14:17 +05:30
parent 6806483b91
commit 6e3bee6cf1
1 changed files with 3 additions and 3 deletions
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6
activerecord/lib/active_record/base.rb
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@ -1388,7 +1388,7 @@ module ActiveRecord #:nodoc:
def reset_column_information
undefine_attribute_methods
@column_names = @columns = @columns_hash = @content_columns = @dynamic_methods_hash = @inheritance_column = nil
@arel_engine = @unscoped = nil
@arel_engine = @unscoped = @arel_table = nil
end
def reset_column_information_and_inheritable_attributes_for_all_subclasses#:nodoc:
@ -1506,8 +1506,8 @@ module ActiveRecord #:nodoc:
finder_needs_type_condition? ? @unscoped.where(type_condition) : @unscoped
end
def arel_table(table_name_alias = nil)
Arel::Table.new(table_name, :as => table_name_alias, :engine => arel_engine)
def arel_table
@arel_table ||= Arel::Table.new(table_name, :engine => arel_engine)
end
def arel_engine