sql = sql.."`"..col.name.."` "..col_type;
if col.nullable == false then sql = sql.." NOT NULL"; end
if col.primary_key == true then sql = sql.." PRIMARY KEY"; end
if col.auto_increment == true then
sql = sql.."`"..col.name.."` "..col_type;
if col.nullable == false then sql = sql.." NOT NULL"; end
if col.primary_key == true then sql = sql.." PRIMARY KEY"; end
if col.auto_increment == true then