Oracle: extract column length for CHAR also. Closes #7866.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6738 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/CHANGELOG

 *SVN*
 
+* Oracle: extract column length for CHAR also.  #7866 [ymendel]
+
 * Document :allow_nil option for validates_acceptance_of since it defaults to true. [tzaharia]
 
 * Update documentation for :dependent declaration so that it explicitly uses the non-deprecated API. [danger]

activerecord/lib/active_record/connection_adapters/oracle_adapter.rb

@@ -320,6 +320,7 @@ def columns(table_name, name = nil) #:nodoc:
                    decode(data_type, 'NUMBER', data_precision,
                                      'FLOAT', data_precision,
                                      'VARCHAR2', data_length,
+                                     'CHAR', data_length,
                                       null) as limit,
                    decode(data_type, 'NUMBER', data_scale, null) as scale
               from all_tab_columns