# Excerpt gets too long under certain circumstances: "ActiveRecord::ValueTooLong"

**URL:** <https://meta.discourse.org/t/excerpt-gets-too-long-under-certain-circumstances-activerecord-valuetoolong/77579>\
**Category:** Bug\
**Created:** [09.Январь.2018 13:28:45 UTC](https://meta.discourse.org/t/excerpt-gets-too-long-under-certain-circumstances-activerecord-valuetoolong/77579 "2018-01-09T13:28:45Z")\
**Posts on this page:** 1\
**Showing post:** 1

<div class="post-metadata">

**Author:** ![niko](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/niko/32/86896_2.png) [@niko](https://meta.discourse.org/u/niko)\
**Post date:** [09.Январь.2018 13:28:45 UTC](https://meta.discourse.org/t/excerpt-gets-too-long-under-certain-circumstances-activerecord-valuetoolong/77579/1 "2018-01-09T13:28:45Z")

</div>

Under certain circumstances the excerpt gets longer than 1000 characters and the server throws a 500 and logs `ActiveRecord::ValueTooLong (PG::StringDataRightTruncation: ERROR: value too long for type character varying(1000) : UPDATE "topics" SET "excerpt" = '<details><summary>Ich habe meine Playlisten gefüll`.

We stumbled over this when we where trying to save a topic consisting only of detail/summary content. It can be reproduced by trying to save this as a new topic:

```plaintext
[details="Some question?"]
Some answer.
[/details]

[details="Some question?"]
Some answer.
[/details]

[details="Some question?"]
Some answer.
[/details]

[details="Some question?"]
Some answer.
[/details]

[details="Some question?"]
Some answer.
[/details]

[details="Some question?"]
Some answer.
[/details]

[details="Some question?"]
Some answer.
[/details]

[details="Some question?"]
Some answer.
[/details]

[details="Some question?"]
Some answer.
[/details]

[details="Some question?"]
Some answer.
[/details]

[details="Some question?"]
Some answer.
[/details]

[details="Some question?"]
Some answer.
[/details]

[details="Some question?"]
Some answer.
[/details]

[details="Some question?"]
Some answer.
[/details]

[details="Some question?"]
Some answer.
[/details]

[details="Some question?"]
Some answer.
[/details]

```

… and works fine when removing one of the details blocks. As a work around we now added a ~ 200 char paragraph before the Q/A section.

> **Backtrace**
>
> ```plaintext
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/rack-mini-profiler-0.10.7/lib/patches/db/pg.rb:93:in `exec'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/rack-mini-profiler-0.10.7/lib/patches/db/pg.rb:93:in `async_exec'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/connection_adapters/postgresql_adapter.rb:614:in `block (2 levels) in exec_no_cache'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activesupport-5.1.4/lib/active_support/dependencies/interlock.rb:46:in `block in permit_concurrent_loads'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activesupport-5.1.4/lib/active_support/concurrency/share_lock.rb:185:in `yield_shares'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activesupport-5.1.4/lib/active_support/dependencies/interlock.rb:45:in `permit_concurrent_loads'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/connection_adapters/postgresql_adapter.rb:613:in `block in exec_no_cache'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/connection_adapters/abstract_adapter.rb:612:in `block (2 levels) in log'
> /usr/local/lib/ruby/2.3.0/monitor.rb:214:in `mon_synchronize'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/connection_adapters/abstract_adapter.rb:611:in `block in log'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activesupport-5.1.4/lib/active_support/notifications/instrumenter.rb:21:in `instrument'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/connection_adapters/abstract_adapter.rb:603:in `log'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/connection_adapters/postgresql_adapter.rb:612:in `exec_no_cache'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/connection_adapters/postgresql_adapter.rb:599:in `execute_and_clear'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/connection_adapters/postgresql/database_statements.rb:92:in `exec_delete'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/connection_adapters/abstract/database_statements.rb:140:in `update'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/connection_adapters/abstract/query_cache.rb:17:in `update'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/relation.rb:380:in `update_all'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/persistence.rb:333:in `update_columns'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/persistence.rb:306:in `update_column'
> /var/www/discourse/lib/post_revisor.rb:436:in `update_topic_excerpt'
> /var/www/discourse/lib/post_revisor.rb:430:in `revise_topic'
> /var/www/discourse/lib/post_revisor.rb:162:in `block in revise!'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/connection_adapters/abstract/database_statements.rb:235:in `block in transaction'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/connection_adapters/abstract/transaction.rb:194:in `block in within_new_transaction'
> /usr/local/lib/ruby/2.3.0/monitor.rb:214:in `mon_synchronize'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/connection_adapters/abstract/transaction.rb:191:in `within_new_transaction'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/connection_adapters/abstract/database_statements.rb:235:in `transaction'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/transactions.rb:210:in `transaction'
> /var/www/discourse/lib/post_revisor.rb:150:in `revise!'
> /var/www/discourse/app/controllers/posts_controller.rb:193:in `update'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_controller/metal/basic_implicit_render.rb:4:in `send_action'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/abstract_controller/base.rb:186:in `process_action'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_controller/metal/rendering.rb:30:in `process_action'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/abstract_controller/callbacks.rb:20:in `block in process_action'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activesupport-5.1.4/lib/active_support/callbacks.rb:131:in `run_callbacks'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/abstract_controller/callbacks.rb:19:in `process_action'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_controller/metal/rescue.rb:20:in `process_action'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_controller/metal/instrumentation.rb:32:in `block in process_action'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activesupport-5.1.4/lib/active_support/notifications.rb:166:in `block in instrument'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activesupport-5.1.4/lib/active_support/notifications/instrumenter.rb:21:in `instrument'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activesupport-5.1.4/lib/active_support/notifications.rb:166:in `instrument'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_controller/metal/instrumentation.rb:30:in `process_action'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_controller/metal/params_wrapper.rb:252:in `process_action'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activerecord-5.1.4/lib/active_record/railties/controller_runtime.rb:22:in `process_action'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/abstract_controller/base.rb:124:in `process'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionview-5.1.4/lib/action_view/rendering.rb:30:in `process'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/rack-mini-profiler-0.10.7/lib/mini_profiler/profiling_methods.rb:102:in `block in profile_method'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_controller/metal.rb:189:in `dispatch'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_controller/metal.rb:253:in `dispatch'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_dispatch/routing/route_set.rb:49:in `dispatch'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_dispatch/routing/route_set.rb:31:in `serve'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_dispatch/journey/router.rb:50:in `block in serve'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_dispatch/journey/router.rb:33:in `each'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_dispatch/journey/router.rb:33:in `serve'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_dispatch/routing/route_set.rb:834:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/rack-protection-2.0.0/lib/rack/protection/frame_options.rb:31:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/omniauth-1.6.1/lib/omniauth/strategy.rb:189:in `call!'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/omniauth-1.6.1/lib/omniauth/strategy.rb:167:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/omniauth-1.6.1/lib/omniauth/strategy.rb:189:in `call!'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/omniauth-1.6.1/lib/omniauth/strategy.rb:167:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/omniauth-1.6.1/lib/omniauth/strategy.rb:189:in `call!'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/omniauth-1.6.1/lib/omniauth/strategy.rb:167:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/omniauth-1.6.1/lib/omniauth/strategy.rb:189:in `call!'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/omniauth-1.6.1/lib/omniauth/strategy.rb:167:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/omniauth-1.6.1/lib/omniauth/strategy.rb:189:in `call!'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/omniauth-1.6.1/lib/omniauth/strategy.rb:167:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/omniauth-1.6.1/lib/omniauth/strategy.rb:189:in `call!'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/omniauth-1.6.1/lib/omniauth/strategy.rb:167:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/omniauth-1.6.1/lib/omniauth/builder.rb:63:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/rack-2.0.3/lib/rack/conditional_get.rb:38:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/rack-2.0.3/lib/rack/head.rb:12:in `call'
> /var/www/discourse/lib/middleware/anonymous_cache.rb:149:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/rack-2.0.3/lib/rack/session/abstract/id.rb:232:in `context'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/rack-2.0.3/lib/rack/session/abstract/id.rb:226:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_dispatch/middleware/cookies.rb:613:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_dispatch/middleware/callbacks.rb:26:in `block in call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/activesupport-5.1.4/lib/active_support/callbacks.rb:97:in `run_callbacks'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_dispatch/middleware/callbacks.rb:24:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_dispatch/middleware/debug_exceptions.rb:59:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_dispatch/middleware/show_exceptions.rb:31:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/logster-1.2.9/lib/logster/middleware/reporter.rb:31:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/railties-5.1.4/lib/rails/rack/logger.rb:36:in `call_app'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/railties-5.1.4/lib/rails/rack/logger.rb:26:in `call'
> /var/www/discourse/config/initializers/100-quiet_logger.rb:16:in `call'
> /var/www/discourse/config/initializers/100-silence_logger.rb:29:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_dispatch/middleware/remote_ip.rb:79:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_dispatch/middleware/request_id.rb:25:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/rack-2.0.3/lib/rack/method_override.rb:22:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/rack-2.0.3/lib/rack/runtime.rb:22:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/actionpack-5.1.4/lib/action_dispatch/middleware/executor.rb:12:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/rack-2.0.3/lib/rack/sendfile.rb:111:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/rack-mini-profiler-0.10.7/lib/mini_profiler/profiler.rb:282:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/message_bus-2.1.2/lib/message_bus/rack/middleware.rb:63:in `call'
> /var/www/discourse/lib/middleware/request_tracker.rb:138:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/railties-5.1.4/lib/rails/engine.rb:522:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/railties-5.1.4/lib/rails/railtie.rb:185:in `public_send'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/railties-5.1.4/lib/rails/railtie.rb:185:in `method_missing'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/rack-2.0.3/lib/rack/urlmap.rb:68:in `block in call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/rack-2.0.3/lib/rack/urlmap.rb:53:in `each'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/rack-2.0.3/lib/rack/urlmap.rb:53:in `call'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/unicorn-5.3.1/lib/unicorn/http_server.rb:606:in `process_client'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/unicorn-5.3.1/lib/unicorn/http_server.rb:702:in `worker_loop'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/unicorn-5.3.1/lib/unicorn/http_server.rb:549:in `spawn_missing_workers'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/unicorn-5.3.1/lib/unicorn/http_server.rb:142:in `start'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/gems/unicorn-5.3.1/bin/unicorn:126:in `<top (required)>'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/bin/unicorn:22:in `load'
> /var/www/discourse/vendor/bundle/ruby/2.3.0/bin/unicorn:22:in `<main>'
> 
> ```

---

_[View the full topic](https://meta.discourse.org/t/excerpt-gets-too-long-under-certain-circumstances-activerecord-valuetoolong/77579)._
