[GENERAL] Replacing an index item

2010-03-11 Thread Carsten Kropf
Hello everybody, I have a question about the replacement of an item in an index page. I want to overwrite an existing item inside an index page. However, I noticed that each time, I replaced an item, the free space in the given page was decreasing. I didn't want to delete the existing item and i

Re: [GENERAL] Replacing an index item

2010-03-11 Thread Tom Lane
Carsten Kropf writes: > I have a question about the replacement of an item in an index page. I > want to overwrite an existing item inside an index page. Why exactly do you want to do that? How are you going to make it transactionally correct or crash-safe? FWIW, I think the ItemIdSetUnused cal