Oleg Bartunov wrote:
On Fri, 9 Feb 2007, Peter Eisentraut wrote:

Am Donnerstag, 8. Februar 2007 16:32 schrieb Bruce Momjian:
Log Message:
Add lock matrix to documentation.

This needs some revisions. The table needs to be mentioned somewhere in the
text, so the reader knows when or why to refer to it.  Also, the cryptic
abbreviations need to be expanded or explained.  And then the concept of
lock "compatibility", as the table puts it, is not used anywhere else in the
documentation.  The table should be put in terms of conflicts instead.

Another version with expanded abbreviations is http://mira.sai.msu.su/~megera/pgsql/lockmatrix/c2.html, if remove UPDATE EXCLUSIVE.

While compatibility matrix is a commonly accepted termin, I agree, that using conficts would be better in context of our docs.

If UE is moved 2 or 3 places down/right, the matrix will be closer to triangular.

It would look better with non-conflicts being blank (or   in HTML) rather than 'O', I think - the conflicts will stand out more.



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