[PERFORM] How can i get record by data block not by sql?

2011-10-03 Thread 姜头
How can i get record by data block not by sql? I want to read and write lots of data by data blocks and write record to a appointed data block and read it. so i can form a disk-resident tree by recording the block address. But i don't know how to implement in postgresql. Is there system

Re: [PERFORM] How can i get record by data block not by sql?

2011-10-03 Thread Ben Chobot
On Oct 3, 2011, at 6:52 AM, 姜头 wrote: How can i get record by data block not by sql? I want to read and write lots of data by data blocks and write record to a appointed data block and read it. so i can form a disk-resident tree by recording the block address. But i don't know how to