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-rw-r--r--activerecord/lib/active_record/model_schema.rb44
1 files changed, 27 insertions, 17 deletions
diff --git a/activerecord/lib/active_record/model_schema.rb b/activerecord/lib/active_record/model_schema.rb
index 23541d1d27..75c0c1bda8 100644
--- a/activerecord/lib/active_record/model_schema.rb
+++ b/activerecord/lib/active_record/model_schema.rb
@@ -224,13 +224,20 @@ module ActiveRecord
def decorate_columns(columns_hash) # :nodoc:
return if columns_hash.empty?
- columns_hash.each do |name, col|
- if serialized_attributes.key?(name)
- columns_hash[name] = AttributeMethods::Serialization::Type.new(col)
- end
- if create_time_zone_conversion_attribute?(name, col)
- columns_hash[name] = AttributeMethods::TimeZoneConversion::Type.new(col)
- end
+ @serialized_column_names ||= self.columns_hash.keys.find_all do |name|
+ serialized_attributes.key?(name)
+ end
+
+ @serialized_column_names.each do |name|
+ columns_hash[name] = AttributeMethods::Serialization::Type.new(columns_hash[name])
+ end
+
+ @time_zone_column_names ||= self.columns_hash.find_all do |name, col|
+ create_time_zone_conversion_attribute?(name, col)
+ end.map!(&:first)
+
+ @time_zone_column_names.each do |name|
+ columns_hash[name] = AttributeMethods::TimeZoneConversion::Type.new(columns_hash[name])
end
columns_hash
@@ -284,16 +291,19 @@ module ActiveRecord
undefine_attribute_methods
connection.schema_cache.clear_table_cache!(table_name) if table_exists?
- @arel_engine = nil
- @column_defaults = nil
- @column_names = nil
- @columns = nil
- @columns_hash = nil
- @column_types = nil
- @content_columns = nil
- @dynamic_methods_hash = nil
- @inheritance_column = nil unless defined?(@explicit_inheritance_column) && @explicit_inheritance_column
- @relation = nil
+ @arel_engine = nil
+ @column_defaults = nil
+ @column_names = nil
+ @columns = nil
+ @columns_hash = nil
+ @column_types = nil
+ @content_columns = nil
+ @dynamic_methods_hash = nil
+ @inheritance_column = nil unless defined?(@explicit_inheritance_column) && @explicit_inheritance_column
+ @relation = nil
+ @serialized_column_names = nil
+ @time_zone_column_names = nil
+ @cached_time_zone = nil
end
# This is a hook for use by modules that need to do extra stuff to