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-rw-r--r--activerecord/lib/active_record/attribute_methods/primary_key.rb5
1 files changed, 2 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/primary_key.rb b/activerecord/lib/active_record/attribute_methods/primary_key.rb
index 7b7811a706..aa6704d5c9 100644
--- a/activerecord/lib/active_record/attribute_methods/primary_key.rb
+++ b/activerecord/lib/active_record/attribute_methods/primary_key.rb
@@ -18,7 +18,7 @@ module ActiveRecord
# Sets the primary key value
def id=(value)
- write_attribute(self.class.primary_key, value)
+ write_attribute(self.class.primary_key, value) if self.class.primary_key
end
# Queries the primary key value
@@ -53,8 +53,7 @@ module ActiveRecord
end
# Defines the primary key field -- can be overridden in subclasses. Overwriting will negate any effect of the
- # primary_key_prefix_type setting, though. Since primary keys are usually protected from mass assignment,
- # remember to let your database generate them or include the key in +attr_accessible+.
+ # primary_key_prefix_type setting, though.
def primary_key
@primary_key = reset_primary_key unless defined? @primary_key
@primary_key