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Replace log_filename_prefix with more general log_filename parameter,

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to allow DBA to choose the form in which log filenames reflect the
current time.  Also allow for truncating instead of appending to
pre-existing files --- this is convenient when the log filename pattern
rewrites the same names cyclically.  Per Ed L.
This commit is contained in:
Tom Lane
2004-08-31 04:53:44 +00:00
parent 25aba1cafd
commit 8c603f2c95
5 changed files with 166 additions and 67 deletions
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20
src/backend/utils/misc/guc.c
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@ -10,7 +10,7 @@
* Written by Peter Eisentraut <peter_e@gmx.net>.
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.235 2004/08/30 02:54:40 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.236 2004/08/31 04:53:44 tgl Exp $
*
*--------------------------------------------------------------------
*/
@ -812,6 +812,14 @@ static struct config_bool ConfigureNamesBool[] =
&Redirect_stderr,
false, NULL, NULL
},
{
{"log_truncate_on_rotation", PGC_SIGHUP, LOGGING_WHERE,
gettext_noop("Truncate existing log files of same name during log rotation"),
NULL
},
&Log_truncate_on_rotation,
false, NULL, NULL
},
#ifdef WAL_DEBUG
{
@ -1665,7 +1673,7 @@ static struct config_string ConfigureNamesString[] =
},
{
{"log_directory", PGC_SIGHUP, LOGGING_WHERE,
gettext_noop("Sets the destination directory for logfiles."),
gettext_noop("Sets the destination directory for log files."),
gettext_noop("May be specified as relative to the cluster directory "
"or as absolute path.")
},
@ -1673,12 +1681,12 @@ static struct config_string ConfigureNamesString[] =
"pg_log", NULL, NULL
},
{
{"log_filename_prefix", PGC_SIGHUP, LOGGING_WHERE,
gettext_noop("Prefix for file names created in the log_directory."),
{"log_filename", PGC_SIGHUP, LOGGING_WHERE,
gettext_noop("Sets the file name pattern for log files."),
NULL
},
&Log_filename_prefix,
"postgresql-", NULL, NULL
&Log_filename,
"postgresql-%Y-%m-%d_%H%M%S.log", NULL, NULL
},
#ifdef HAVE_SYSLOG