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authorRobert Haas <rhaas@postgresql.org>2013-09-26 17:54:20 -0400
committerRobert Haas <rhaas@postgresql.org>2013-09-26 17:56:31 -0400
commit4334639f4bb9fb88c13b8dd5faca22b207248504 (patch)
tree3657e0455b5748f0369124bfb8b50b58311e318b /doc/src
parentd70f8d5f1b8bfa62a34b79445faae39acdb0363d (diff)
downloadpostgresql-4334639f4bb9fb88c13b8dd5faca22b207248504.tar.gz
postgresql-4334639f4bb9fb88c13b8dd5faca22b207248504.zip
Allow printf-style padding specifications in log_line_prefix.
David Rowley, after a suggestion from Heikki Linnakangas. Reviewed by Albe Laurenz, and further edited by me.
Diffstat (limited to 'doc/src')
-rw-r--r--doc/src/sgml/config.sgml10
1 files changed, 8 insertions, 2 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 370aa09ee7c..697cf401374 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -3941,8 +3941,14 @@ local0.* /var/log/postgresql
that are replaced with status information as outlined below.
Unrecognized escapes are ignored. Other
characters are copied straight to the log line. Some escapes are
- only recognized by session processes, and are ignored by
- background processes such as the main server process.
+ only recognized by session processes, and will be treated as empty by
+ background processes such as the main server process. Status
+ information may be aligned either left or right by specifying a
+ numeric literal after the % and before the option. A negative
+ value will cause the status information to be padded on the
+ right with spaces to give it a minimum width, whereas a positive
+ value will pad on the left. Padding can be useful to aid human
+ readability in log files.
This parameter can only be set in the <filename>postgresql.conf</>
file or on the server command line. The default is an empty string.