From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> |
Cc: | Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Parallel safety of binary_upgrade_create_empty_extension |
Date: | 2018-03-26 22:58:51 |
Message-ID: | 23542.1522105131@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
... BTW:
# select proname, proparallel from pg_proc where proname like 'binary_upg%';
proname | proparallel
--------------------------------------------+-------------
binary_upgrade_create_empty_extension | r
binary_upgrade_set_next_array_pg_type_oid | r
binary_upgrade_set_next_heap_pg_class_oid | r
binary_upgrade_set_next_index_pg_class_oid | r
binary_upgrade_set_next_pg_authid_oid | r
binary_upgrade_set_next_pg_enum_oid | r
binary_upgrade_set_next_pg_type_oid | r
binary_upgrade_set_next_toast_pg_class_oid | r
binary_upgrade_set_next_toast_pg_type_oid | r
binary_upgrade_set_record_init_privs | r
(10 rows)
I wonder whether we shouldn't mark *all* of these parallel-unsafe.
I'm not exactly convinced that 'restricted' is sufficient for the
others, and even if it is, there's certainly little if any upside
for letting them be executed in parallel-enabled mode.
regards, tom lane
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