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-rw-r--r--src/backend/utils/error/elog.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/src/backend/utils/error/elog.c b/src/backend/utils/error/elog.c
index 93f0ba0e392..181db7e4515 100644
--- a/src/backend/utils/error/elog.c
+++ b/src/backend/utils/error/elog.c
@@ -42,7 +42,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.225 2010/07/18 23:43:32 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.226 2010/08/19 22:55:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -2798,12 +2798,19 @@ is_log_level_output(int elevel, int log_min_level)
}
/*
- * If trace_recovery_messages is set to make this visible, then show as LOG,
- * else display as whatever level is set. It may still be shown, but only
- * if log_min_messages is set lower than trace_recovery_messages.
+ * Adjust the level of a recovery-related message per trace_recovery_messages.
+ *
+ * The argument is the default log level of the message, eg, DEBUG2. (This
+ * should only be applied to DEBUGn log messages, otherwise it's a no-op.)
+ * If the level is >= trace_recovery_messages, we return LOG, causing the
+ * message to be logged unconditionally (for most settings of
+ * log_min_messages). Otherwise, we return the argument unchanged.
+ * The message will then be shown based on the setting of log_min_messages.
*
* Intention is to keep this for at least the whole of the 9.0 production
* release, so we can more easily diagnose production problems in the field.
+ * It should go away eventually, though, because it's an ugly and
+ * hard-to-explain kluge.
*/
int
trace_recovery(int trace_level)