diff options
| author | Bruce Momjian <bruce@momjian.us> | 2023-11-24 19:44:09 -0500 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2023-11-24 19:44:09 -0500 |
| commit | 344afc77690b4cef2605420d67c1d1ceb28760cc (patch) | |
| tree | 69f4fc0d673dc2d51353ab0f4de14ca22e887706 /doc/src | |
| parent | 5c4c7efaddd4ddd70176dadf3097efcacf811adf (diff) | |
modify segno. for pg_walfile_name() and pg_walfile_name_offset()
Previously these functions returned the previous segment number if the
LSN was on a segment boundary. We now always return the current segment
number for an LSN.
Docs updated to reflect this change. Regression tests added, author
Andres Freund.
Also mentioned in thread https://postgr.es/m/flat/20220204225057.GA1535307%40nathanxps13#d964275c9540d8395e138efc0a75f7e8
BACKWARD INCOMPATIBILITY
Reported-by: Kyotaro Horiguchi
Discussion: https://postgr.es/m/20190726.172120.101752680.horikyota.ntt@gmail.com
Co-authored-by: Kyotaro Horiguchi
Backpatch-through: master
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/func.sgml | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml index 053fbc5ef2c..20da3ed0334 100644 --- a/doc/src/sgml/func.sgml +++ b/doc/src/sgml/func.sgml @@ -27075,11 +27075,6 @@ postgres=# SELECT * FROM pg_walfile_name_offset((pg_backup_stop()).lsn); (1 row) </programlisting> Similarly, <function>pg_walfile_name</function> extracts just the write-ahead log file name. - When the given write-ahead log location is exactly at a write-ahead log file boundary, both - these functions return the name of the preceding write-ahead log file. - This is usually the desired behavior for managing write-ahead log archiving - behavior, since the preceding file is the last one that currently - needs to be archived. </para> <para> |