DBI error please help

I cannot do a select on a decimal field all others work fine. Any help
in solving this is greatly appreciated.

Ruby throws this error.

[Wed Jan 30 13:46:34 2008] [error] mod_ruby: error in ruby

[Wed Jan 30 13:46:34 2008] [error] mod_ruby:
/usr/lib/ruby/1.8/DBD/Mysql/Mysql.rb:649:in column_info': undefined method[]’ for nil:NilClass (NoMethodError)

[Wed Jan 30 13:46:34 2008] [error] mod_ruby: from
/usr/lib/ruby/1.8/DBD/Mysql/Mysql.rb:648:in `each’

[Wed Jan 30 13:46:34 2008] [error] mod_ruby: from
/usr/lib/ruby/1.8/DBD/Mysql/Mysql.rb:648:in `column_info’

[Wed Jan 30 13:46:34 2008] [error] mod_ruby: from
/usr/lib/ruby/1.8/DBD/Mysql/Mysql.rb:573:in `execute’

[Wed Jan 30 13:46:34 2008] [error] mod_ruby: from
/usr/lib/ruby/1.8/thread.rb:135:in `synchronize’

[Wed Jan 30 13:46:34 2008] [error] mod_ruby: from
/usr/lib/ruby/1.8/DBD/Mysql/Mysql.rb:570:in `execute’

[Wed Jan 30 13:46:34 2008] [error] mod_ruby: from
/usr/lib/ruby/1.8/dbi.rb:893:in `execute’

[Wed Jan 30 13:46:34 2008] [error] mod_ruby: from
/usr/lib/ruby/1.8/dbi.rb:480:in `execute’

[Wed Jan 30 13:46:34 2008] [error] mod_ruby: from
/var/www/peter/planet/page/history:38

[Wed Jan 30 13:46:34 2008] [error] mod_ruby: from (eval):117

[Wed Jan 30 13:46:34 2008] [error] mod_ruby: from
/usr/lib/ruby/1.8/apache/eruby-run.rb:116:in `eval_string_wrap’

[Wed Jan 30 13:46:34 2008] [error] mod_ruby: from
/usr/lib/ruby/1.8/apache/eruby-run.rb:116:in `run’

[Wed Jan 30 13:46:34 2008] [error] mod_ruby: from
/usr/lib/ruby/1.8/apache/eruby-run.rb:72:in `handler’

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