Re: [PATCHES] predicate locking knowledge

2006-03-23 Thread Tom Lane
"Kevin Grittner" <[EMAIL PROTECTED]> writes: > Attached is a patch for the documentation. We currently state that we > don't know of any production DBMS which uses predicate locking. Current > versions of at least two commercial products (Sybase ASE and Microsoft > SQL Server) do use it. Are the

Re: [PATCHES] predicate locking knowledge

2006-03-23 Thread Kevin Grittner
>>> On Thu, Mar 23, 2006 at 1:13 pm, in message <[EMAIL PROTECTED]>, "Kevin Grittner" <[EMAIL PROTECTED]> wrote: Attachment didn't seem to go through. Embedding below. Index: mvcc.sgml === RCS file: /projects/cvsroot/pgsql/doc/sr

[PATCHES] predicate locking knowledge

2006-03-23 Thread Kevin Grittner
Attached is a patch for the documentation. We currently state that we don't know of any production DBMS which uses predicate locking. Current versions of at least two commercial products (Sybase ASE and Microsoft SQL Server) do use it. I believe this has been true since 1990 or earlier. If peop