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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
index 7ae32d0ced..09ccf0c193 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -964,6 +964,8 @@ module ActiveRecord
# Action that happens <tt>ON DELETE</tt>. Valid values are +:nullify+, +:cascade+ and +:restrict+
# [<tt>:on_update</tt>]
# Action that happens <tt>ON UPDATE</tt>. Valid values are +:nullify+, +:cascade+ and +:restrict+
+ # [<tt>:validate</tt>]
+ # (Postgres only) Specify whether or not the constraint should be validated. Defaults to +true+.
def add_foreign_key(from_table, to_table, options = {})
return unless supports_foreign_keys?