我在 Rails 3.0.9 下,使用 Ruby 1.9.2 (p290)。使用 Postgresql 9.0.4 和 'pg' gem v0.11.0
问题是 :
我有一个非常简单的迁移,只需使用条件更改列的值:
def self.up
Closet.reset_column_information
say_with_time "Unifying gender column to h/f" do
Closet.connection.update "UPDATE closets AS c SET gender='h' WHERE c.gender IN ('homme', 'Homme', 'men', 'Men');"
Closet.connection.update "UPDATE closets AS c SET gender='f' WHERE c.gender IN ('femme', 'Femme', 'women', 'Women');"
end
end
每个请求都可以在我的 erb 控制台和 pgAdmin SQL 的控制台中完美运行,但是当我运行迁移时,它会说:
PGError: ERROR: current transaction is aborted, commands ignored until end of transaction block
如果有人作为一个想法......
这是错误消息堆栈的较大部分:
== MigrateClosets: 迁移 ============================================== ==== 耙子中止!发生错误,此迁移和所有后续迁移均已取消:
PGError: ERROR: current transaction is aborted, commands ignored until end of transaction block
: UPDATE closets SET gender='h' WHERE closets.gender = 'homme';
/Users/gdurelle/.rvm/gems/ruby-1.9.2-p290@dressmeNG/gems/activerecord-3.0.9/lib/active_record/connection_adapters/abstract_adapter.rb:207:in `rescue in log'
/Users/gdurelle/.rvm/gems/ruby-1.9.2-p290@dressmeNG/gems/activerecord-3.0.9/lib/active_record/connection_adapters/abstract_adapter.rb:199:in `log'
/Users/gdurelle/.rvm/gems/ruby-1.9.2-p290@dressmeNG/gems/activerecord-3.0.9/lib/active_record/connection_adapters/postgresql_adapter.rb:514:in `execute'
/Users/gdurelle/.rvm/gems/ruby-1.9.2-p290@dressmeNG/gems/activerecord-3.0.9/lib/active_record/connection_adapters/abstract/database_statements.rb:288:in `update_sql'
/Users/gdurelle/.rvm/gems/ruby-1.9.2-p290@dressmeNG/gems/activerecord-3.0.9/lib/active_record/connection_adapters/postgresql_adapter.rb:525:in `update_sql'
/Users/gdurelle/.rvm/gems/ruby-1.9.2-p290@dressmeNG/gems/activerecord-3.0.9/lib/active_record/connection_adapters/abstract/database_statements.rb:49:in `update'
/Users/gdurelle/.rvm/gems/ruby-1.9.2-p290@dressmeNG/gems/activerecord-3.0.9/lib/active_record/connection_adapters/abstract/query_cache.rb:16:in `update'
/Users/gdurelle/Sites/rails/DressMeNextGen/db/migrate/20110613125139_migrate_closets.rb:4:in `up'
/Users/gdurelle/.rvm/gems/ruby-1.9.2-p290@dressmeNG/gems/activerecord-3.0.9/lib/active_record/migration.rb:314:in `block in migrate'
/Users/gdurelle/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/benchmark.rb:295:in `measure'
/Users/gdurelle/.rvm/gems/ruby-1.9.2-p290@dressmeNG/gems/activerecord-3.0.9/lib/active_record/migration.rb:314:in `migrate'