Обсуждение: pgsql: Faster PageIsVerified() for the all zeroes case.

Faster PageIsVerified() for the all zeroes case.

That's primarily useful for testing very large relations, using sparse
files.

Discussion: <20140331101001.GE13135@alap3.anarazel.de>
Reviewed-By: Peter Geoghegan

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/417fefaf089fc0b73607cbbe8bcd0bc9e89d08ef

Modified Files
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src/backend/storage/page/bufpage.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)