Re: BUG #15142: ERROR: MultiXactId nnnnn has not been created yet --apparent wraparound in v9.5

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От Александр Молофеев
Тема Re: BUG #15142: ERROR: MultiXactId nnnnn has not been created yet --apparent wraparound in v9.5
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Msg-id CAD6K7nYyGRc3AidBLUM_u6EqVpBrK9CSPxu9icc=5n5kTCqJ3A@mail.gmail.com
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Ответ на Re: BUG #15142: ERROR: MultiXactId nnnnn has not been created yet --apparent wraparound in v9.5  (Alvaro Herrera <alvherre@alvh.no-ip.org>)
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In the query   select * from heap_page_items(get_raw_page('tablename',3220147));      t_infomask  is 10243 for all tuples
and in   select * from heap_page_items(get_raw_page('tablename',3220146)); this column is empty for all

2018-04-04 18:50 GMT+03:00 Alvaro Herrera <alvherre@alvh.no-ip.org>:
molofeev wrote:
> Query 1:  select * from heap_page_items(get_raw_page('tablename',3220145));

In this one, t_infomask is 11011 for all the tuples, which is 0x2B03.
HEAP_XMAX_IS_MULTI is 0x1000.  I think you're looking at the wrong
pages, probably because of synchronized_seqscans.

I didn't look at the other pages.

--
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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