CI Codeigniter分页而不计算db的所有结果

Question

i was wondering if anyone as a good idea or solution to use pagination without counting all records before splitting results

i mean when paginating with default CI library we must set total number of records, and this will be too huge for high amount of records don't you think?

what if i have more then 500'000 records to be paginated?

so my idea was trying paginating using ranges somenthing like :

page 1 => query LIMIT 0,10

page 2 => query LIMIT 10,20

but i found many problems:

1) i anyway need to count all records to retrieve page numbers 2) how to save ranges ([1,10] [10,20] ... etc)?

thanks to anyone could help me

Answer 1

If you use your solution where you use a LIMIT to get each page, then use the FOUND_ROWS() .

It will give you the amount of rows totally excluding the limit . This way you don't need two queries where the first retrieves the specific range and the other one retrieves the total rows.