On 9/27/2010 4:53 PM, Tom Lane wrote:
The reason it tells you that data will be destroyed is that that could
very well happen.
Re-parsing this, I think there was a mis-communication :
I'm not at all suggesting that the doc should _not_ say that data will
be corrupted.
I'm suggesting that in addition to what it currently says, it also
should say that the on-disk data won't be
changed by the page zeroing mode.
In my searching I found countless people over the past few years who had
been similarly confused into believing that it would write back the
zeroed page
to disk.
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