pgsql: Move BRIN page type to page's last two bytes
| От | Alvaro Herrera |
|---|---|
| Тема | pgsql: Move BRIN page type to page's last two bytes |
| Дата | |
| Msg-id | E1YVMDj-0005uJ-Ln@gemulon.postgresql.org обсуждение исходный текст |
| Список | pgsql-committers |
Move BRIN page type to page's last two bytes ... which is the usual convention among AMs, so that pg_filedump and similar utilities can tell apart pages of different AMs. It was also the intent of the original code, but I failed to realize that alignment considerations would move the whole thing to the previous-to-last word in the page. The new definition of the associated macro makes surrounding code a bit leaner, too. Per note from Heikki at http://www.postgresql.org/message-id/546A16EF.9070005@vmware.com Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/e491bd2ee34860b14ff18abc5602f9aa5b197a2d Modified Files -------------- contrib/pageinspect/brinfuncs.c | 13 ++++------- src/backend/access/brin/brin_pageops.c | 23 +++++-------------- src/backend/access/brin/brin_revmap.c | 2 +- src/include/access/brin_page.h | 38 ++++++++++++++++++++++++-------- src/include/access/gin_private.h | 8 +++---- src/include/access/spgist_private.h | 2 ++ 6 files changed, 45 insertions(+), 41 deletions(-)
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