On Jan 2, 2008 3:35 PM, Martijn van Oosterhout <kleptog@svana.org> wrote:
If the goal is to only store the insert, then we need to determine during recovery which page the record needs to be added to. To do this you need to go through the index, which can only be done by calling user-defined functions.
Correct me if i am wrong. User-defined functions act as comparison functions in GIST. But when do they act as comparison functions in b-tree? I am not able to understand exactly that part.
