| From: | Peter Smith <smithpb2250(at)gmail(dot)com> |
|---|---|
| To: | vignesh C <vignesh21(at)gmail(dot)com> |
| Cc: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Ajin Cherian <itsajin(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] logical decoding of two-phase transactions |
| Date: | 2021-03-30 00:03:59 |
| Message-ID: | CAHut+Pv7575kTOm6R4kexVE8sG=Qsu=VuxHp45soJ7N+W2b_nA@mail.gmail.com |
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| Lists: | pgsql-hackers |
Please find attached the latest patch set v68*
Differences from v67* are:
* Rebased to HEAD @ today.
* v68 fixes an issue reported by Vignesh [1] where a scenario was
found which still was able to cause a generated GID clash. Using
Vignesh's test script I could reproduce the problem exactly as
described. The fix makes the GID unique by including the subid. Now
the same script runs to normal completion and produces good/expected
output:
transaction | gid | prepared |
owner | database
-------------+------------------+-------------------------------+----------+----------
547 | pg_gid_16389_543 | 2021-03-30 10:32:36.87207+11 |
postgres | postgres
555 | pg_gid_16390_543 | 2021-03-30 10:32:48.087771+11 |
postgres | postgres
(2 rows)
Kind Regards,
Peter Smith.
Fujitsu Australia
| Attachment | Content-Type | Size |
|---|---|---|
| v68-0001-Add-support-for-prepared-transactions-to-built-i.patch | application/octet-stream | 107.5 KB |
| v68-0002-Support-2PC-txn-subscriber-tests.patch | application/octet-stream | 21.2 KB |
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