Hi, I'm developing a app with dynamic field using hstore ( postgres ). The app works great, but now, i'm trying to implement validations. my code is:
#model .. def initialize_custom_fields class_eval do validates field.f, :presence => true end end .. #user controller def create user = User.new user.initialize_custom_fields user.attributes = params[:user] user.save end The first time I press "save" button, the validations works as well, but the second one i'm getting this error: undefined local variable or method `_callback_before_170045' for #<User:0x007f80f9990558> Anyone have a idea for solution this error.. ? Thanks, Diego activemodel (3.2.12) lib/active_model/attribute_methods.rb:407:in `method_missing' activerecord (3.2.12) lib/active_record/attribute_methods.rb:149:in `method_missing' activesupport (3.2.12) lib/active_support/callbacks.rb:693:in `_run__3928182467864996920__validate__2158410757724998838__callbacks' activesupport (3.2.12) lib/active_support/callbacks.rb:405:in `__run_callback' activesupport (3.2.12) lib/active_support/callbacks.rb:385:in `_run_validate_callbacks' activesupport (3.2.12) lib/active_support/callbacks.rb:81:in `run_callbacks' activemodel (3.2.12) lib/active_model/validations.rb:228:in `run_validations!' activemodel (3.2.12) lib/active_model/validations/callbacks.rb:53:in `block in run_validations!' activesupport (3.2.12) lib/active_support/callbacks.rb:436:in `_run__3928182467864996920__validation__2158410757724998838__callbacks' activesupport (3.2.12) lib/active_support/callbacks.rb:405:in `__run_callback' activesupport (3.2.12) lib/active_support/callbacks.rb:385:in `_run_validation_callbacks' activesupport (3.2.12) lib/active_support/callbacks.rb:81:in `run_callbacks' activemodel (3.2.12) lib/active_model/validations/callbacks.rb:53:in `run_validations!' activemodel (3.2.12) lib/active_model/validations.rb:195:in `valid?' activerecord (3.2.12) lib/active_record/validations.rb:69:in `valid?' activerecord (3.2.12) lib/active_record/validations.rb:77:in `perform_validations' activerecord (3.2.12) lib/active_record/validations.rb:50:in `save' activerecord (3.2.12) lib/active_record/attribute_methods/dirty.rb:22:in `save' activerecord (3.2.12) lib/active_record/transactions.rb:259:in `block (2 levels) in save' activerecord (3.2.12) lib/active_record/transactions.rb:313:in `block in with_transaction_returning_status' activerecord (3.2.12) lib/active_record/connection_adapters/abstract/database_statements.rb:192:in `transaction' activerecord (3.2.12) lib/active_record/transactions.rb:208:in `transaction' 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`send_action' actionpack (3.2.12) lib/abstract_controller/base.rb:167:in `process_action' actionpack (3.2.12) lib/action_controller/metal/rendering.rb:10:in `process_action' actionpack (3.2.12) lib/abstract_controller/callbacks.rb:18:in `block in process_action' activesupport (3.2.12) lib/active_support/callbacks.rb:469:in `_run__3196014063568727894__process_action__914905966018578265__callbacks' activesupport (3.2.12) lib/active_support/callbacks.rb:405:in `__run_callback' activesupport (3.2.12) lib/active_support/callbacks.rb:385:in `_run_process_action_callbacks' activesupport (3.2.12) lib/active_support/callbacks.rb:81:in `run_callbacks' actionpack (3.2.12) lib/abstract_controller/callbacks.rb:17:in `process_action' actionpack (3.2.12) lib/action_controller/metal/rescue.rb:29:in `process_action' actionpack (3.2.12) lib/action_controller/metal/instrumentation.rb:30:in `block in process_action' activesupport (3.2.12) lib/active_support/notifications.rb:123:in `block in instrument' 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Ruby/lib/mini_profiler/profiling_methods.rb:71:in `block in profile_method' actionpack (3.2.12) lib/action_controller/metal.rb:203:in `dispatch' actionpack (3.2.12) lib/action_controller/metal/rack_delegation.rb:14:in `dispatch' actionpack (3.2.12) lib/action_controller/metal.rb:246:in `block in action' actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:73:in `call' actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:73:in `dispatch' actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:36:in `call' journey (1.0.4) lib/journey/router.rb:68:in `block in call' journey (1.0.4) lib/journey/router.rb:56:in `each' journey (1.0.4) lib/journey/router.rb:56:in `call' actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:601:in `call' newrelic_rpm (3.6.5.130) lib/new_relic/rack/error_collector.rb:12:in `call' newrelic_rpm (3.6.5.130) lib/new_relic/rack/agent_hooks.rb:22:in `call' newrelic_rpm (3.6.5.130) lib/new_relic/rack/browser_monitoring.rb:16:in `call' 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lib/active_record/query_cache.rb:64:in `call' activerecord (3.2.12) lib/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call' actionpack (3.2.12) lib/action_dispatch/middleware/callbacks.rb:28:in `block in call' activesupport (3.2.12) lib/active_support/callbacks.rb:405:in `_run__840412673517469496__call__2158410757724998838__callbacks' activesupport (3.2.12) lib/active_support/callbacks.rb:405:in `__run_callback' activesupport (3.2.12) lib/active_support/callbacks.rb:385:in `_run_call_callbacks' activesupport (3.2.12) lib/active_support/callbacks.rb:81:in `run_callbacks' actionpack (3.2.12) lib/action_dispatch/middleware/callbacks.rb:27:in `call' actionpack (3.2.12) lib/action_dispatch/middleware/reloader.rb:65:in `call' actionpack (3.2.12) lib/action_dispatch/middleware/remote_ip.rb:31:in `call' actionpack (3.2.12) lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call' actionpack (3.2.12) lib/action_dispatch/middleware/show_exceptions.rb:56:in `call' 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