On Dec 1, 2010, at 11:09 AM, Florian Pflug wrote:
> An UPDATE on such a SHARE locked row would be allowed despite the lock if it only changed columns not mentioned by any unique index.
On a side-note, by "changed columns" do you mean the column appeared in the UPDATE statement, or the data actually changed? I suspect the former might be easier to implement, but it's really going to fsck with some applications (Rails is one example that comes to mind).
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Jim C. Nasby, Database Architect jim(at)nasby(dot)net
512.569.9461 (cell) http://jim.nasby.net