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

To know the page and row information :

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

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Regards,
Raghavendra
EnterpriseDB Corporation
Blog: http://raghavt.blogspot.com/

2011/10/3 姜头 <104186179(at)qq(dot)com>

> 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
>