无法找到表格主题禁用
我是ruby的新手，我试图通过研究tutorialpoints.com来尝试ruby
随着移动m得到这个错误
C:UsersAnitDocumentsrubylibrary>rake db:migrate rake aborted! ActiveRecord::StatementInvalid: Could not find table 'subjects' C:in `disable_ddl_transaction' ActiveRecord::StatementInvalid: Could not find table 'subjects' C:in `disable_ddl_transaction' Tasks: TOP => db:migrate (See full trace by running task with --trace)
用--trace运行后
C:UsersAnitDocumentsrubylibrary>rake db:migrate --trace ** Invoke db:migrate (first_time) ** Invoke environment (first_time) ** Execute environment ** Invoke db:load_config (first_time) ** Execute db:load_config ** Execute db:migrate rake aborted! ActiveRecord::StatementInvalid: Could not find table 'subjects' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/connection_adapters/sqlite3_adapter.rb:513:in `table_structure' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/connection_adapters/sqlite3_adapter.rb:387:in `columns' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/connection_adapters/schema_cache.rb:43:in `columns' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/attributes.rb:93:in `columns' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/attributes.rb:98:in `columns_hash' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/inheritance.rb:205:in `subclass_from_attributes?' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/inheritance.rb:54:in `new' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:778:in `load_migration' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:773:in `migration' C:in `disable_ddl_transaction' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:1051:in `use_transaction?' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:961:in `rescue in block in migrate' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:958:in `block in migrate' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:955:in `each' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:955:in `migrate' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:823:in `up' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:801:in `migrate' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/tasks/database_tasks.rb:137:in `migrate' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/railties/databases.rake:44:in `block (2 levels) in ' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/task.rb:248:in `call' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/task.rb:248:in `block in execute' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/task.rb:243:in `each' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/task.rb:243:in `execute' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/task.rb:187:in `block in invoke_with_call_chain' C:/Ruby22-x64/lib/ruby/2.2.0/monitor.rb:211:in `mon_synchronize' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/task.rb:180:in `invoke_with_call_chain' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/task.rb:173:in `invoke' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:150:in `invoke_task' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:106:in `block (2 levels) in top_level' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:106:in `each' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:106:in `block in top_level' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:115:in `run_with_threads' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:100:in `top_level' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:78:in `block in run' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:176:in `standard_exception_handling' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:75:in `run' C:/Ruby22-x64/bin/rake:33:in `' ActiveRecord::StatementInvalid: Could not find table 'subjects' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/connection_adapters/sqlite3_adapter.rb:513:in `table_structure' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/connection_adapters/sqlite3_adapter.rb:387:in `columns' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/connection_adapters/schema_cache.rb:43:in `columns' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/attributes.rb:93:in `columns' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/attributes.rb:98:in `columns_hash' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/inheritance.rb:205:in `subclass_from_attributes?' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/inheritance.rb:54:in `new' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:778:in `load_migration' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:773:in `migration' C:in `disable_ddl_transaction' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:1051:in `use_transaction?' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:1043:in `ddl_transaction' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:997:in `execute_migration_in_transaction' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:959:in `block in migrate' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:955:in `each' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:955:in `migrate' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:823:in `up' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/migration.rb:801:in `migrate' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/tasks/database_tasks.rb:137:in `migrate' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activerecord-4.2.6/lib/active_record/railties/databases.rake:44:in `block (2 levels) in ' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/task.rb:248:in `call' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/task.rb:248:in `block in execute' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/task.rb:243:in `each' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/task.rb:243:in `execute' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/task.rb:187:in `block in invoke_with_call_chain' C:/Ruby22-x64/lib/ruby/2.2.0/monitor.rb:211:in `mon_synchronize' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/task.rb:180:in `invoke_with_call_chain' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/task.rb:173:in `invoke' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:150:in `invoke_task' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:106:in `block (2 levels) in top_level' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:106:in `each' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:106:in `block in top_level' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:115:in `run_with_threads' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:100:in `top_level' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:78:in `block in run' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:176:in `standard_exception_handling' C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:75:in `run' C:/Ruby22-x64/bin/rake:33:in `' Tasks: TOP => db:migrate链接地址: http://www.djcxy.com/p/49945.html