Select ctid,* from <tablename>;
For more information at page-level, you can take the help of contrib module "pageinspect". Which is under pgsql-path/share/postgresql/contrib/pageinspect.sql
2011/10/3 姜头 <104186179@xxxxxx>
How can i get record by data block not by sql?I want to read and write lots of data by data blocks, 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 function can do this?Can someone help me?? Thank you very very much!!!!1
