Re: [HACKERS] Ts_rank internals

2007-09-11 Thread Oleg Bartunov
On Tue, 11 Sep 2007, Teodor Sigaev wrote: I tried to understand how ts_rank works, but I failed. What does Cover function do? How does it work? What is the DocRepresentation data structure like? I can see the definition of the struct, and the get_docrep function to convert to that format, but

[HACKERS] Ts_rank internals

2007-09-10 Thread Heikki Linnakangas
Hi, I tried to understand how ts_rank works, but I failed. What does Cover function do? How does it work? What is the DocRepresentation data structure like? I can see the definition of the struct, and the get_docrep function to convert to that format, but by reading those I can't figure out what

Re: [HACKERS] Ts_rank internals

2007-09-10 Thread Teodor Sigaev
I tried to understand how ts_rank works, but I failed. What does Cover function do? How does it work? What is the DocRepresentation data structure like? I can see the definition of the struct, and the get_docrep function to convert to that format, but by reading those I can't figure out what the