Rails Heroku应用程序错误(Rails Heroku app errors)
我的项目在当地运作良好。 我将它部署到Heroku。 我有一些错误，应用程序无法运行。 我正在使用rails 4和postgresql。 无法理解为什么会发生这种情况。 在我看来，数据库没有创建。 我应该在我的database.yml中添加指定生产设置吗？
database.yml的
development: adapter: postgresql encoding: utf8 database: test_store_dev pool: 5 username: mike password: mike host: 127.0.0.1 test: adapter: postgresql encoding: utf8 database: test_store_test pool: 5 username: mike password: mike host: 127.0.0.1从日志：
~/workspace/test_store$ heroku logs --tail 2014-02-13T13:14:47.731382+00:00 app[web.1]: 3: 2014-02-13T13:14:47.731535+00:00 app[web.1]: 6: <% Category.roots.each do |category| %> 2014-02-13T13:14:47.731382+00:00 app[web.1]: : SELECT "categories".* FROM "categories" WHERE "categories"."parent_id" IS NULL ORDER BY "categories"."lft"): 2014-02-13T13:14:47.731972+00:00 app[web.1]: I, [2014-02-13T13:13:06.802166 #2] INFO -- : Started GET "/" for 46.53.195.24 at 2014-02-13 13:13:06 +0000 2014-02-13T13:14:47.731828+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/railties-4.0.0/lib/rails/application.rb:97:in `call' 2014-02-13T13:14:47.731972+00:00 app[web.1]: I, [2014-02-13T13:13:06.807361 #2] INFO -- : Rendered shared/_search_form.html.erb (0.6ms) 2014-02-13T13:14:47.731972+00:00 app[web.1]: E, [2014-02-13T13:13:06.810210 #2] ERROR -- : PG::UndefinedTable: ERROR: relation "categories" does not exist 2014-02-13T13:14:47.731972+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories" WHERE "categories".... 2014-02-13T13:14:47.731828+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/handler/webrick.rb:60:in `service' 2014-02-13T13:14:47.731972+00:00 app[web.1]: ^ 2014-02-13T13:14:47.731972+00:00 app[web.1]: : SELECT "categories".* FROM "categories" WHERE "categories"."parent_id" IS NULL ORDER BY "categories"."lft" 2014-02-13T13:14:47.732116+00:00 app[web.1]: I, [2014-02-13T13:13:06.813303 #2] INFO -- : Rendered categories/index.html.erb within layouts/application (6.7ms) 2014-02-13T13:14:47.731972+00:00 app[web.1]: I, [2014-02-13T13:13:06.805622 #2] INFO -- : Processing by CategoriesController#index as HTML 2014-02-13T13:14:47.732116+00:00 app[web.1]: F, [2014-02-13T13:13:06.819692 #2] FATAL -- : 2014-02-13T13:14:47.732116+00:00 app[web.1]: ActionView::Template::Error (PG::UndefinedTable: ERROR: relation "categories" does not exist 2014-02-13T13:14:47.732116+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories" WHERE "categories".... 2014-02-13T13:14:47.732116+00:00 app[web.1]: : SELECT "categories".* FROM "categories" WHERE "categories"."parent_id" IS NULL ORDER BY "categories"."lft"): 2014-02-13T13:14:47.732116+00:00 app[web.1]: 3: 2014-02-13T13:14:47.732116+00:00 app[web.1]: 4: <%= render :partial => '/shared/search_form' %> 2014-02-13T13:14:47.732116+00:00 app[web.1]: 5: 2014-02-13T13:14:47.732271+00:00 app[web.1]: 6: <% Category.roots.each do |category| %> 2014-02-13T13:14:47.732116+00:00 app[web.1]: ^ 2014-02-13T13:14:47.732116+00:00 app[web.1]: I, [2014-02-13T13:13:06.814571 #2] INFO -- : Completed 500 Internal Server Error in 9ms 2014-02-13T13:14:47.731683+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.0/lib/action_dispatch/middleware/request_id.rb:21:in `call' 2014-02-13T13:14:47.731828+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/methodoverride.rb:21:in `call' 2014-02-13T13:14:47.731683+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/railties-4.0.0/lib/rails/rack/logger.rb:21:in `call' 2014-02-13T13:14:47.732271+00:00 app[web.1]: app/views/categories/index.html.erb:6:in `_app_views_categories_index_html_erb___3515298162048279666_69853047486040' 2014-02-13T13:14:47.732271+00:00 app[web.1]: 2014-02-13T13:14:47.732271+00:00 app[web.1]: 2014-02-13T13:14:47.732271+00:00 app[web.1]: I, [2014-02-13T13:14:42.123367 #2] INFO -- : Started GET "/" for 46.53.195.24 at 2014-02-13 13:14:42 +0000 2014-02-13T13:14:47.732271+00:00 app[web.1]: 8: <h3> <%= link_to category.name, products_path(:category => category.slug) %> </h3> 2014-02-13T13:14:47.732271+00:00 app[web.1]: 7: <div class="col-md-4"> 2014-02-13T13:14:47.732429+00:00 app[web.1]: : SELECT "categories".* FROM "categories" WHERE "categories"."parent_id" IS NULL ORDER BY "categories"."lft" 2014-02-13T13:14:47.732429+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories" WHERE "categories".... 2014-02-13T13:14:47.732429+00:00 app[web.1]: ^ 2014-02-13T13:14:47.732598+00:00 app[web.1]: 3: 2014-02-13T13:14:47.732598+00:00 app[web.1]: 4: <%= render :partial => '/shared/search_form' %> 2014-02-13T13:14:47.732598+00:00 app[web.1]: 5: 2014-02-13T13:14:47.732598+00:00 app[web.1]: 6: <% Category.roots.each do |category| %> 2014-02-13T13:14:47.732598+00:00 app[web.1]: 7: <div class="col-md-4"> 2014-02-13T13:14:47.732598+00:00 app[web.1]: 8: <h3> <%= link_to category.name, products_path(:category => category.slug) %> </h3> 2014-02-13T13:14:47.732429+00:00 app[web.1]: I, [2014-02-13T13:14:42.134755 #2] INFO -- : Rendered categories/index.html.erb within layouts/application (9.8ms) 2014-02-13T13:14:47.732743+00:00 app[web.1]: 2014-02-13T13:14:47.732743+00:00 app[web.1]: I, [2014-02-13T13:14:47.723691 #2] INFO -- : Rendered shared/_search_form.html.erb (0.6ms) 2014-02-13T13:14:47.732743+00:00 app[web.1]: E, [2014-02-13T13:14:47.728029 #2] ERROR -- : PG::UndefinedTable: ERROR: relation "categories" does not exist 2014-02-13T13:14:47.732743+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories" WHERE "categories".... 2014-02-13T13:14:47.732598+00:00 app[web.1]: app/views/categories/index.html.erb:6:in `_app_views_categories_index_html_erb___3515298162048279666_69853047486040' 2014-02-13T13:14:47.732598+00:00 app[web.1]: 2014-02-13T13:14:47.732743+00:00 app[web.1]: I, [2014-02-13T13:14:47.729251 #2] INFO -- : Completed 500 Internal Server Error in 11ms 2014-02-13T13:14:47.732886+00:00 app[web.1]: F, [2014-02-13T13:14:47.731100 #2] FATAL -- : 2014-02-13T13:14:47.732886+00:00 app[web.1]: ActionView::Template::Error (PG::UndefinedTable: ERROR: relation "categories" does not exist 2014-02-13T13:14:47.732886+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories" WHERE "categories".... 2014-02-13T13:14:47.732886+00:00 app[web.1]: 3: 2014-02-13T13:14:47.732743+00:00 app[web.1]: ^ 2014-02-13T13:14:47.732886+00:00 app[web.1]: 5: 2014-02-13T13:14:47.732886+00:00 app[web.1]: 6: <% Category.roots.each do |category| %> 2014-02-13T13:14:47.732886+00:00 app[web.1]: 7: <div class="col-md-4"> 2014-02-13T13:14:47.731828+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.0/lib/active_support/cache/strategy/local_cache.rb:83:in `call' 2014-02-13T13:14:47.733034+00:00 app[web.1]: 9: 2014-02-13T13:14:47.733034+00:00 app[web.1]: 8: <h3> <%= link_to category.name, products_path(:category => category.slug) %> </h3> 2014-02-13T13:14:47.731828+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/lock.rb:17:in `call' 2014-02-13T13:14:47.733034+00:00 app[web.1]: 2014-02-13T13:14:47.731828+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/runtime.rb:17:in `call' 2014-02-13T13:14:47.732886+00:00 app[web.1]: 4: <%= render :partial => '/shared/search_form' %> 2014-02-13T13:14:47.733034+00:00 app[web.1]: app/views/categories/index.html.erb:6:in `_app_views_categories_index_html_erb___3515298162048279666_69853047486040' 2014-02-13T13:14:47.733034+00:00 app[web.1]: 2014-02-13T13:14:47.731828+00:00 app[web.1]: vendor/ruby-2.0.0/lib/ruby/2.0.0/webrick/httpserver.rb:94:in `run' 2014-02-13T13:14:47.731828+00:00 app[web.1]: vendor/ruby-2.0.0/lib/ruby/2.0.0/webrick/httpserver.rb:138:in `service' 2014-02-13T13:14:47.731972+00:00 app[web.1]: 2014-02-13T13:14:47.731972+00:00 app[web.1]: 2014-02-13T13:14:47.731972+00:00 app[web.1]: vendor/ruby-2.0.0/lib/ruby/2.0.0/webrick/server.rb:295:in `block in start_thread' 2014-02-13T13:14:47.732271+00:00 app[web.1]: I, [2014-02-13T13:14:42.124293 #2] INFO -- : Processing by CategoriesController#index as HTML 2014-02-13T13:14:47.732271+00:00 app[web.1]: I, [2014-02-13T13:14:42.127769 #2] INFO -- : Rendered shared/_search_form.html.erb (0.5ms) 2014-02-13T13:14:47.732271+00:00 app[web.1]: 9: 2014-02-13T13:14:47.732429+00:00 app[web.1]: I, [2014-02-13T13:14:42.134928 #2] INFO -- : Completed 500 Internal Server Error in 11ms 2014-02-13T13:14:47.732429+00:00 app[web.1]: F, [2014-02-13T13:14:42.136566 #2] FATAL -- : 2014-02-13T13:14:47.732429+00:00 app[web.1]: E, [2014-02-13T13:14:42.131964 #2] ERROR -- : PG::UndefinedTable: ERROR: relation "categories" does not exist 2014-02-13T13:14:47.732429+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories" WHERE "categories".... 2014-02-13T13:14:47.732429+00:00 app[web.1]: ^ 2014-02-13T13:14:47.732429+00:00 app[web.1]: ActionView::Template::Error (PG::UndefinedTable: ERROR: relation "categories" does not exist 2014-02-13T13:14:47.732598+00:00 app[web.1]: 9: 2014-02-13T13:14:47.732743+00:00 app[web.1]: I, [2014-02-13T13:14:47.715526 #2] INFO -- : Started GET "/" for 46.53.195.24 at 2014-02-13 13:14:47 +0000 2014-02-13T13:14:47.732598+00:00 app[web.1]: : SELECT "categories".* FROM "categories" WHERE "categories"."parent_id" IS NULL ORDER BY "categories"."lft"): 2014-02-13T13:14:47.732743+00:00 app[web.1]: : SELECT "categories".* FROM "categories" WHERE "categories"."parent_id" IS NULL ORDER BY "categories"."lft" 2014-02-13T13:14:47.732743+00:00 app[web.1]: I, [2014-02-13T13:14:47.729098 #2] INFO -- : Rendered categories/index.html.erb within layouts/application (6.1ms) 2014-02-13T13:14:47.732743+00:00 app[web.1]: I, [2014-02-13T13:14:47.717991 #2] INFO -- : Processing by CategoriesController#index as HTML 2014-02-13T13:14:47.732886+00:00 app[web.1]: : SELECT "categories".* FROM "categories" WHERE "categories"."parent_id" IS NULL ORDER BY "categories"."lft"): 2014-02-13T13:14:47.732886+00:00 app[web.1]: ^ 2014-02-13T13:14:42.190691+00:00 heroku[router]: at=info method=GET path=/ host=thawing-mesa-8086.herokuapp.com request_id=fa0aa0ee-7720-49c0-a2c4-271131bf6688 fwd="46.53.195.24" dyno=web.1 connect=0ms service=75ms status=500 bytes=1266My project works well locally. I deployed it to Heroku. I've got some errors and app couldn't run there. I'm using rails 4 with postgresql. Can't understand why this is happens. It seems to me that database wasn't created. Should I add specify production settings on my database.yml?
database.yml
development: adapter: postgresql encoding: utf8 database: test_store_dev pool: 5 username: mike password: mike host: 127.0.0.1 test: adapter: postgresql encoding: utf8 database: test_store_test pool: 5 username: mike password: mike host: 127.0.0.1From log:
~/workspace/test_store$ heroku logs --tail 2014-02-13T13:14:47.731382+00:00 app[web.1]: 3: 2014-02-13T13:14:47.731535+00:00 app[web.1]: 6: <% Category.roots.each do |category| %> 2014-02-13T13:14:47.731382+00:00 app[web.1]: : SELECT "categories".* FROM "categories" WHERE "categories"."parent_id" IS NULL ORDER BY "categories"."lft"): 2014-02-13T13:14:47.731972+00:00 app[web.1]: I, [2014-02-13T13:13:06.802166 #2] INFO -- : Started GET "/" for 46.53.195.24 at 2014-02-13 13:13:06 +0000 2014-02-13T13:14:47.731828+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/railties-4.0.0/lib/rails/application.rb:97:in `call' 2014-02-13T13:14:47.731972+00:00 app[web.1]: I, [2014-02-13T13:13:06.807361 #2] INFO -- : Rendered shared/_search_form.html.erb (0.6ms) 2014-02-13T13:14:47.731972+00:00 app[web.1]: E, [2014-02-13T13:13:06.810210 #2] ERROR -- : PG::UndefinedTable: ERROR: relation "categories" does not exist 2014-02-13T13:14:47.731972+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories" WHERE "categories".... 2014-02-13T13:14:47.731828+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/handler/webrick.rb:60:in `service' 2014-02-13T13:14:47.731972+00:00 app[web.1]: ^ 2014-02-13T13:14:47.731972+00:00 app[web.1]: : SELECT "categories".* FROM "categories" WHERE "categories"."parent_id" IS NULL ORDER BY "categories"."lft" 2014-02-13T13:14:47.732116+00:00 app[web.1]: I, [2014-02-13T13:13:06.813303 #2] INFO -- : Rendered categories/index.html.erb within layouts/application (6.7ms) 2014-02-13T13:14:47.731972+00:00 app[web.1]: I, [2014-02-13T13:13:06.805622 #2] INFO -- : Processing by CategoriesController#index as HTML 2014-02-13T13:14:47.732116+00:00 app[web.1]: F, [2014-02-13T13:13:06.819692 #2] FATAL -- : 2014-02-13T13:14:47.732116+00:00 app[web.1]: ActionView::Template::Error (PG::UndefinedTable: ERROR: relation "categories" does not exist 2014-02-13T13:14:47.732116+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories" WHERE "categories".... 2014-02-13T13:14:47.732116+00:00 app[web.1]: : SELECT "categories".* FROM "categories" WHERE "categories"."parent_id" IS NULL ORDER BY "categories"."lft"): 2014-02-13T13:14:47.732116+00:00 app[web.1]: 3: 2014-02-13T13:14:47.732116+00:00 app[web.1]: 4: <%= render :partial => '/shared/search_form' %> 2014-02-13T13:14:47.732116+00:00 app[web.1]: 5: 2014-02-13T13:14:47.732271+00:00 app[web.1]: 6: <% Category.roots.each do |category| %> 2014-02-13T13:14:47.732116+00:00 app[web.1]: ^ 2014-02-13T13:14:47.732116+00:00 app[web.1]: I, [2014-02-13T13:13:06.814571 #2] INFO -- : Completed 500 Internal Server Error in 9ms 2014-02-13T13:14:47.731683+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.0/lib/action_dispatch/middleware/request_id.rb:21:in `call' 2014-02-13T13:14:47.731828+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/methodoverride.rb:21:in `call' 2014-02-13T13:14:47.731683+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/railties-4.0.0/lib/rails/rack/logger.rb:21:in `call' 2014-02-13T13:14:47.732271+00:00 app[web.1]: app/views/categories/index.html.erb:6:in `_app_views_categories_index_html_erb___3515298162048279666_69853047486040' 2014-02-13T13:14:47.732271+00:00 app[web.1]: 2014-02-13T13:14:47.732271+00:00 app[web.1]: 2014-02-13T13:14:47.732271+00:00 app[web.1]: I, [2014-02-13T13:14:42.123367 #2] INFO -- : Started GET "/" for 46.53.195.24 at 2014-02-13 13:14:42 +0000 2014-02-13T13:14:47.732271+00:00 app[web.1]: 8: <h3> <%= link_to category.name, products_path(:category => category.slug) %> </h3> 2014-02-13T13:14:47.732271+00:00 app[web.1]: 7: <div class="col-md-4"> 2014-02-13T13:14:47.732429+00:00 app[web.1]: : SELECT "categories".* FROM "categories" WHERE "categories"."parent_id" IS NULL ORDER BY "categories"."lft" 2014-02-13T13:14:47.732429+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories" WHERE "categories".... 2014-02-13T13:14:47.732429+00:00 app[web.1]: ^ 2014-02-13T13:14:47.732598+00:00 app[web.1]: 3: 2014-02-13T13:14:47.732598+00:00 app[web.1]: 4: <%= render :partial => '/shared/search_form' %> 2014-02-13T13:14:47.732598+00:00 app[web.1]: 5: 2014-02-13T13:14:47.732598+00:00 app[web.1]: 6: <% Category.roots.each do |category| %> 2014-02-13T13:14:47.732598+00:00 app[web.1]: 7: <div class="col-md-4"> 2014-02-13T13:14:47.732598+00:00 app[web.1]: 8: <h3> <%= link_to category.name, products_path(:category => category.slug) %> </h3> 2014-02-13T13:14:47.732429+00:00 app[web.1]: I, [2014-02-13T13:14:42.134755 #2] INFO -- : Rendered categories/index.html.erb within layouts/application (9.8ms) 2014-02-13T13:14:47.732743+00:00 app[web.1]: 2014-02-13T13:14:47.732743+00:00 app[web.1]: I, [2014-02-13T13:14:47.723691 #2] INFO -- : Rendered shared/_search_form.html.erb (0.6ms) 2014-02-13T13:14:47.732743+00:00 app[web.1]: E, [2014-02-13T13:14:47.728029 #2] ERROR -- : PG::UndefinedTable: ERROR: relation "categories" does not exist 2014-02-13T13:14:47.732743+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories" WHERE "categories".... 2014-02-13T13:14:47.732598+00:00 app[web.1]: app/views/categories/index.html.erb:6:in `_app_views_categories_index_html_erb___3515298162048279666_69853047486040' 2014-02-13T13:14:47.732598+00:00 app[web.1]: 2014-02-13T13:14:47.732743+00:00 app[web.1]: I, [2014-02-13T13:14:47.729251 #2] INFO -- : Completed 500 Internal Server Error in 11ms 2014-02-13T13:14:47.732886+00:00 app[web.1]: F, [2014-02-13T13:14:47.731100 #2] FATAL -- : 2014-02-13T13:14:47.732886+00:00 app[web.1]: ActionView::Template::Error (PG::UndefinedTable: ERROR: relation "categories" does not exist 2014-02-13T13:14:47.732886+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories" WHERE "categories".... 2014-02-13T13:14:47.732886+00:00 app[web.1]: 3: 2014-02-13T13:14:47.732743+00:00 app[web.1]: ^ 2014-02-13T13:14:47.732886+00:00 app[web.1]: 5: 2014-02-13T13:14:47.732886+00:00 app[web.1]: 6: <% Category.roots.each do |category| %> 2014-02-13T13:14:47.732886+00:00 app[web.1]: 7: <div class="col-md-4"> 2014-02-13T13:14:47.731828+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.0/lib/active_support/cache/strategy/local_cache.rb:83:in `call' 2014-02-13T13:14:47.733034+00:00 app[web.1]: 9: 2014-02-13T13:14:47.733034+00:00 app[web.1]: 8: <h3> <%= link_to category.name, products_path(:category => category.slug) %> </h3> 2014-02-13T13:14:47.731828+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/lock.rb:17:in `call' 2014-02-13T13:14:47.733034+00:00 app[web.1]: 2014-02-13T13:14:47.731828+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/runtime.rb:17:in `call' 2014-02-13T13:14:47.732886+00:00 app[web.1]: 4: <%= render :partial => '/shared/search_form' %> 2014-02-13T13:14:47.733034+00:00 app[web.1]: app/views/categories/index.html.erb:6:in `_app_views_categories_index_html_erb___3515298162048279666_69853047486040' 2014-02-13T13:14:47.733034+00:00 app[web.1]: 2014-02-13T13:14:47.731828+00:00 app[web.1]: vendor/ruby-2.0.0/lib/ruby/2.0.0/webrick/httpserver.rb:94:in `run' 2014-02-13T13:14:47.731828+00:00 app[web.1]: vendor/ruby-2.0.0/lib/ruby/2.0.0/webrick/httpserver.rb:138:in `service' 2014-02-13T13:14:47.731972+00:00 app[web.1]: 2014-02-13T13:14:47.731972+00:00 app[web.1]: 2014-02-13T13:14:47.731972+00:00 app[web.1]: vendor/ruby-2.0.0/lib/ruby/2.0.0/webrick/server.rb:295:in `block in start_thread' 2014-02-13T13:14:47.732271+00:00 app[web.1]: I, [2014-02-13T13:14:42.124293 #2] INFO -- : Processing by CategoriesController#index as HTML 2014-02-13T13:14:47.732271+00:00 app[web.1]: I, [2014-02-13T13:14:42.127769 #2] INFO -- : Rendered shared/_search_form.html.erb (0.5ms) 2014-02-13T13:14:47.732271+00:00 app[web.1]: 9: 2014-02-13T13:14:47.732429+00:00 app[web.1]: I, [2014-02-13T13:14:42.134928 #2] INFO -- : Completed 500 Internal Server Error in 11ms 2014-02-13T13:14:47.732429+00:00 app[web.1]: F, [2014-02-13T13:14:42.136566 #2] FATAL -- : 2014-02-13T13:14:47.732429+00:00 app[web.1]: E, [2014-02-13T13:14:42.131964 #2] ERROR -- : PG::UndefinedTable: ERROR: relation "categories" does not exist 2014-02-13T13:14:47.732429+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories" WHERE "categories".... 2014-02-13T13:14:47.732429+00:00 app[web.1]: ^ 2014-02-13T13:14:47.732429+00:00 app[web.1]: ActionView::Template::Error (PG::UndefinedTable: ERROR: relation "categories" does not exist 2014-02-13T13:14:47.732598+00:00 app[web.1]: 9: 2014-02-13T13:14:47.732743+00:00 app[web.1]: I, [2014-02-13T13:14:47.715526 #2] INFO -- : Started GET "/" for 46.53.195.24 at 2014-02-13 13:14:47 +0000 2014-02-13T13:14:47.732598+00:00 app[web.1]: : SELECT "categories".* FROM "categories" WHERE "categories"."parent_id" IS NULL ORDER BY "categories"."lft"): 2014-02-13T13:14:47.732743+00:00 app[web.1]: : SELECT "categories".* FROM "categories" WHERE "categories"."parent_id" IS NULL ORDER BY "categories"."lft" 2014-02-13T13:14:47.732743+00:00 app[web.1]: I, [2014-02-13T13:14:47.729098 #2] INFO -- : Rendered categories/index.html.erb within layouts/application (6.1ms) 2014-02-13T13:14:47.732743+00:00 app[web.1]: I, [2014-02-13T13:14:47.717991 #2] INFO -- : Processing by CategoriesController#index as HTML 2014-02-13T13:14:47.732886+00:00 app[web.1]: : SELECT "categories".* FROM "categories" WHERE "categories"."parent_id" IS NULL ORDER BY "categories"."lft"): 2014-02-13T13:14:47.732886+00:00 app[web.1]: ^ 2014-02-13T13:14:42.190691+00:00 heroku[router]: at=info method=GET path=/ host=thawing-mesa-8086.herokuapp.com request_id=fa0aa0ee-7720-49c0-a2c4-271131bf6688 fwd="46.53.195.24" dyno=web.1 connect=0ms service=75ms status=500 bytes=1266
原文：https://stackoverflow.com/questions/21755977
更新时间：2022-08-29 12:08
最满意答案
1）是的，你不需要在应用程序中有一个生产apk，你可以上传你的apk在阿尔法进行一些测试然后你可以选择apk并将其移动到测试版，然后在市场上公开。 它还支持Staged rollouts。
请按照本指南管理您的应用测试组。 （ Beta测试和分阶段推出 ）
2）在Google Play开发者控制台中无法做到这一点。 这必须在清单中使用：
<supports-screens android:anyDensity="true" android:largeScreens="true" android:normalScreens="true" android:resizeable="true" android:smallScreens="true" android:xlargeScreens="true"/>您还可以添加更多必需的功能。 当您将apk上传到Google Play时，您可以查看有多少设备对您的应用有效或被排除。 然后，只有符合您要求的设备才能在商店中看到该应用程序。
祝你好运
1) Yes you don't need to have a production apk in the app, you can upload your apk in alpha for some testing then you can select the apk and move it to beta and then make it public on market. It also supports Staged rollouts.
Follow this guide to manage your app testing groups. (Beta-testing and staged rollouts)
2) No this can't be done in Google play developer console. This has to be done in the manifest using this:
<supports-screens android:anyDensity="true" android:largeScreens="true" android:normalScreens="true" android:resizeable="true" android:smallScreens="true" android:xlargeScreens="true"/>more information here. (support-screens) and here (uses-feature)
You can also add more required features. And when you upload the apk to google play , you can check how many devices are valid for your app, or excluded. Then only devices that meat your requirements can see the application in the store.
Good Luck
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