Remove exception dependency on Mysql and ActiveRecord, and make it work

with mysql2 (by not using fetch_row)

lib/lhm/sql_helper.rb

@@ -28,15 +28,15 @@ def sql(statements)
       [statements].flatten.each do |statement|
         connection.execute(tagged(statement))
       end
-    rescue ActiveRecord::StatementInvalid, Mysql::Error => e
+    rescue => e
       error e.message
     end
 
     def update(statements)
       [statements].flatten.inject(0) do |memo, statement|
         memo += connection.update(tagged(statement))
       end
-    rescue ActiveRecord::StatementInvalid, Mysql::Error => e
+    rescue => e
       error e.message
     end
 

lib/lhm/table.rb

@@ -38,7 +38,11 @@ def initialize(table_name, connection)
 
       def ddl
         sql = "show create table `#{ @table_name }`"
-        @connection.execute(sql).fetch_row.last
+        results = []
+        @connection.execute(sql).each(:as => :array) do |r|
+          results << r
+        end
+        results.first.last
       end
 
       def parse