On 11/27/18 3:38 PM, Andres Freund wrote:
Hi,

On 2018-11-27 10:47:29 -0500, Tom Lane wrote:
Andrew Dunstan <andrew.duns...@2ndquadrant.com> writes:
In any case, I think we will probably need to bite the bullet and have
pg_dump render LOs in OID order.
+1.  Looking at the relevant code:

     /*
      * Currently, we re-fetch all BLOB OIDs using a cursor.  Consider scanning
      * the already-in-memory dumpable objects instead...
      */
     if (fout->remoteVersion >= 90000)
         blobQry = "DECLARE bloboid CURSOR FOR SELECT oid FROM 
pg_largeobject_metadata";
     else
         blobQry = "DECLARE bloboid CURSOR FOR SELECT DISTINCT loid FROM 
pg_largeobject";
Done. Thanks for chiming in.

Andrew, the <= 9.2 failure 
https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=crake&dt=2018-11-27%2018%3A18%3A21
seems to be related to nabstime etc not being available anymore.  We've
not backpatched

Author: Tom Lane <t...@sss.pgh.pa.us>
Branch: REL_11_STABLE Release: REL_11_0 [184951a48] 2018-10-12 19:33:56 -0400
Branch: REL_10_STABLE Release: REL_10_6 [9320263ae] 2018-10-12 19:33:56 -0400
Branch: REL9_6_STABLE Release: REL9_6_11 [2ad422ce1] 2018-10-12 19:33:56 -0400
Branch: REL9_5_STABLE Release: REL9_5_15 [43cc4e49e] 2018-10-12 19:33:56 -0400
Branch: REL9_4_STABLE Release: REL9_4_20 [7b88c1ddd] 2018-10-12 19:33:57 -0400
Branch: REL9_3_STABLE Release: REL9_3_25 [fb583c80d] 2018-10-12 19:33:57 -0400

     Remove abstime, reltime, tinterval tables from old regression databases.

that far.  I've locally verified that upgrade works after

SELECT format('ALTER TABLE %s DROP COLUMN %s;', attrelid::regclass, attname) FROM 
pg_attribute WHERE attrelid > 16384 AND atttypid IN ('abstime'::regtype, 
'reltime'::regtype, 'tinterval'::regtype)
\gexec

or something in that vein.


Thanks.


I'm just dropping the tables for REL_12. There is no point in just dropping the columns - they are one-column tables.


The reason you're seeing this is that given the discussion about pg_upgrade support I wanted to make sure that we had coverage for live + 2 releases. Should be green the next time it reports.


cheers


andrew

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


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