On 12/17/2013 03:57 AM, Kevin Grittner wrote:
I agree with others that this patch is not suitable for
back-patching.  I wonder whether some other solution might be worth
back-patching, since it is clearly a bug.  The "never delete
internal pages" might be safe enough to consider.  It would lead to
some degree of bloat, but perhaps bloat is better than errors.  Of
course, the argument can certainly be made that people hit the bug
so rarely that we're better off just leaving it alone in stable
branches.  Anyway, that would be a different patch.

I don't think "never delete internal pages" would be acceptable. In particular, it would bloat indefinitely for a smallish FIFO queue table with a timestamp column.

- Heikki

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