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| author | John Naylor <john.naylor@postgresql.org> | 2022-07-01 11:41:36 +0700 |
|---|---|---|
| committer | John Naylor <john.naylor@postgresql.org> | 2022-07-15 08:18:44 +0700 |
| commit | b32a588961161ba36d01ff8dbccfc949493232c7 (patch) | |
| tree | e35530636bc2a0952b21f53df58293eddc6a44e2 | |
| parent | ad8c8ee415da2d5437a346f1a57d873467d60812 (diff) | |
| download | postgresql-b32a588961161ba36d01ff8dbccfc949493232c7.tar.gz postgresql-b32a588961161ba36d01ff8dbccfc949493232c7.zip | |
Clarify that pg_dump takes ACCESS SHARE lock
Add link to the description of lock levels to avoid confusing "shared locks"
with SHARE locks.
Florin Irion
Reviewed-by: Álvaro Herrera, Tom Lane, and Nathan Bossart
Discussion: https://www.postgresql.org/message-id/flat/d0f30cc2-3c76-1d43-f291-7c4b2872d653@gmail.com
This is a backpatch of 4e2e8d71f, applied through version 14
| -rw-r--r-- | doc/src/sgml/ref/pg_dump.sgml | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/doc/src/sgml/ref/pg_dump.sgml b/doc/src/sgml/ref/pg_dump.sgml index c9467557377..5efb442b443 100644 --- a/doc/src/sgml/ref/pg_dump.sgml +++ b/doc/src/sgml/ref/pg_dump.sgml @@ -372,8 +372,8 @@ PostgreSQL documentation <para> Requesting exclusive locks on database objects while running a parallel dump could cause the dump to fail. The reason is that the <application>pg_dump</application> leader process - requests shared locks on the objects that the worker processes are going to dump later - in order to + requests shared locks (<link linkend="locking-tables">ACCESS SHARE</link>) on the + objects that the worker processes are going to dump later in order to make sure that nobody deletes them and makes them go away while the dump is running. If another client then requests an exclusive lock on a table, that lock will not be granted but will be queued waiting for the shared lock of the leader process to be |