Re: [HACKERS] Information about Access methods

2013-11-13 Thread Antonin Houska
On 11/13/2013 08:59 AM, Rohit Goyal wrote: > Could you please suggest something about abt update operation of B tree > index. access/nbtree/README is probably the next text to read. It points to theoretical background and also explains specifics of Postgres implementation. // Antonin Houska (Tony

Re: [HACKERS] Information about Access methods

2013-11-13 Thread Rohit Goyal
On Wed, Nov 13, 2013 at 2:42 AM, Craig Ringer wrote: > On 11/13/2013 06:36 AM, Rohit Goyal wrote: > > Hi, > > Thanks for document. It was really helpful. > > Now, as index folder contains basically interface for all index type, do > > I need to change it, if I want to modify only b tree index alg

Re: [HACKERS] Information about Access methods

2013-11-12 Thread Craig Ringer
On 11/13/2013 06:36 AM, Rohit Goyal wrote: > Hi, > Thanks for document. It was really helpful. > Now, as index folder contains basically interface for all index type, do > I need to change it, if I want to modify only b tree index algorithm? > > Do I need to change only btree index files or Do i

Re: [HACKERS] Information about Access methods

2013-11-12 Thread Rohit Goyal
Hi, Thanks for document. It was really helpful. Now, as index folder contains basically interface for all index type, do I need to change it, if I want to modify only b tree index algorithm? Do I need to change only btree index files or Do i have to change index folder files like indexam.c Please

Re: [HACKERS] Information about Access methods

2013-11-12 Thread Craig Ringer
On 11/12/2013 07:00 PM, Rohit Goyal wrote: > > Inside access methods in Backend, I found "Index" folder and "Btree" > folder but i don't know which code to look for. i want to change > something in B tree implementation. > Start here: http://www.postgresql.org/docs/current/static/indexam.html

[HACKERS] Information about Access methods

2013-11-12 Thread Rohit Goyal
Hi, I am looking in Postgresql code for the first time. Specifically in Indexing scheme. I want to focus on B tree for my testing. Inside access methods in Backend, I found "Index" folder and "Btree" folder but i don't know which code to look for. i want to change something in B tree implementa