diff options
| author | Nathan Bossart | 2025-05-07 19:47:36 +0000 |
|---|---|---|
| committer | Nathan Bossart | 2025-05-07 19:47:36 +0000 |
| commit | 16bf24e0e471c975f0877d6612eacdae7ce4a30e (patch) | |
| tree | 0ce1620d597b90d28fb6b428693df925a21347c8 /doc/src | |
| parent | 5f4d98d4f3718cf7a0597c37f3ee4a4485de6ef8 (diff) | |
Remove pg_replication_origin's TOAST table.
A few places that access this catalog don't set up an active
snapshot before potentially accessing its TOAST table. However,
roname (the replication origin name) is the only varlena column, so
this is only a problem if the name requires out-of-line storage.
This commit removes its TOAST table to avoid needing to set up a
snapshot. It also places a limit on replication origin names so
that attempts to set long names will fail with a more user-friendly
error. Those chosen limit of 512 bytes should be sufficient to
avoid "row is too big" errors independent of BLCKSZ, but it should
also be lenient enough for all reasonable use-cases.
Bumps catversion.
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Reviewed-by: Amit Kapila <amit.kapila16@gmail.com>
Reviewed-by: Euler Taveira <euler@eulerto.com>
Reviewed-by: Nisha Moond <nisha.moond412@gmail.com>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/ZvMSUPOqUU-VNADN%40nathan
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/func.sgml | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml index bb6e5ab9ff7..27ec46105f4 100644 --- a/doc/src/sgml/func.sgml +++ b/doc/src/sgml/func.sgml @@ -29940,6 +29940,7 @@ postgres=# SELECT '0/0'::pg_lsn + pd.segment_number * ps.setting::int + :offset <para> Creates a replication origin with the given external name, and returns the internal ID assigned to it. + The name must be no longer than 512 bytes. </para></entry> </row> |