On 08/21/2013 07:20 PM, 高健 wrote:
Hi: I have heard that Heap-Only Tuples is introduce from 8.3. And I am searching information for it. How can I get a detailed information of HOT?
http://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/backend/access/heap/README.HOT;hb=HEAD
For example: according to a table, How many tuples are heap only tuples , and how many are not? And also , Is there any options which can influence HOT occurrance? Best Regards
-- Adrian Klaver adrian.klaver@xxxxxxxxx -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
