ActiveRecord :: StatementInvalid：ArgumentError：负字符串大小（或大小太大）：SELECT * FROM

我在尝试在内存中实例化太多对象时遇到此错误。 这是一个Rails 2.3.x应用程序，以SQL Server作为数据库。

>> Shop.count => 14111 >> Shop.all ActiveRecord::StatementInvalid: ArgumentError: negative string size (or size too big): SELECT * FROM [shop] from /Users/lunks/.rvm/gems/ree-1.8.7-2011.03@ums/gems/activerecord-2.3.14/ lib/active_record/connection_adapters/abstract_adapter.rb:227:in `log' from /Users/lunks/.rvm/ gems/ree-1.8.7-2011.03@ums/gems/activerecord-sqlserver-adapter-2.3.24/lib/active_record/connection_adapters/sqlserver_adapter.rb:1004:in `raw_select' from /Users/lunks/.rvm/gems/ree-1.8.7-2011.03@ ums/gems/activerecord-sqlserver-adapter-2.3.24/lib/active_record/connection_adapters/sqlserver_adapter.rb:965:in `select' from /Users/lunks/.rvm/gems/ree-1. 8.7-2011.03@ums/gems/activerecord-2.3.14/lib/active_record/connection_adapters/abstract/database_statements.rb:7:in `select_all_without_query_cache' from /Users/lunks/.rvm /gems/ree-1.8.7-2011.03@ums/gems/activerecord-2.3.14/lib/active_record/connection_adapters/abstract/query_cache.rb:62:in `select_all' from /Users/lu nks/.rvm/gems/ree-1.8.7-2011.03@ums/gems/activerecord-2.3.14/lib/active_record/base.rb:665:in `find_by_sql' from /Users/lunks/.rvm/gems/ree-1.8.7-2011.03@ums/gem s/activerecord-2.3.14/lib/active_record/base.rb:1582:in `find_every' f rom /Users/lunks/.rvm/gems/ree-1.8.7-2011.03@ums/gems/activerecord-2.3.14/lib/active_record/base.rb:619:in `find' from /Users/lunks/.rvm/gems/ree-1.8.7-2011.03@ums/ge ms/activerecord-2.3.14/lib/active_record/base.rb:639:in `all' from (irb):3` 

Answer 1

解决了更改ODBC gem需要odbc_utf8而不是odbc 。 但是整理是在Latin1中。 ：P