Add helpful debugging info to the ActiveRecord::StatementInvalid exce…

…ption in ActiveRecord::ConnectionAdapters::SqliteAdapter#table_structure. Closes #7925. [court3nay]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6469 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Add helpful debugging info to the ActiveRecord::StatementInvalid exception in ActiveRecord::ConnectionAdapters::SqliteAdapter#table_structure.  Closes #7925. [court3nay]
+
 * SQLite: binary escaping works with $KCODE='u'.  #7862 [tsuka]
 
 * Base#to_xml supports serialized attributes.  #7502 [jonathan]

activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb

@@ -286,7 +286,7 @@ def rename_column(table_name, column_name, new_column_name) #:nodoc:
       protected
         def table_structure(table_name)
           returning structure = execute("PRAGMA table_info(#{table_name})") do
-            raise ActiveRecord::StatementInvalid if structure.empty?
+            raise(ActiveRecord::StatementInvalid, "Could not find table '#{table_name}'") if structure.empty?
           end
         end
 
@@ -384,7 +384,7 @@ def default_primary_key_type
     class SQLite3Adapter < SQLiteAdapter # :nodoc:
       def table_structure(table_name)
         returning structure = @connection.table_info(table_name) do
-          raise ActiveRecord::StatementInvalid if structure.empty?
+          raise(ActiveRecord::StatementInvalid, "Could not find table '#{table_name}'") if structure.empty?
         end
       end
     end