temp-tables

Let say I have a table named 'products' and Model named 'Product'. 'products' table has 3 fields id,title,price,created I want to calculate cal_price (which varies per record and day of search) and create a temporary table with 4 fields i.e. id,title,price,cal_price with order by cal_price Now, all I want is to paginate this temporary table. using $this->paginate(); eg. table_products id title price created 3 demo1 23 2011-12-12 4 demo2 43 2011-12-13 56 demo3 26 2011-12-16 sort 'temp_table' order by cal_price and paginate temp_table id title price cal_price created 3 demo1 23 12 2011-12-12 4

I'm seeing the following error in my MySQL logs: [Warning] InnoDB: Cannot add field `wd_field_ft_95_240` in table `tmp`.`#sql_1_0` because after adding it, the row size is 8155 which is greater than maximum allowed size (8126) for a record on index leaf page. Is this tmp database some kind of internal MySQL structure? Is this something I need to care about? Some MySQL queries create internal temporary tables to hold partial results. As of MySQL 5.7.6, the default storage engine for internal temporary tables is InnoDB, which has a pretty small limit on row size, as you can see (though BLOB/TEXT