From 1d1bdcc6fe61a0a2487e62dbc478ca9cd5650677 Mon Sep 17 00:00:00 2001 From: unknown Date: Thu, 30 Oct 2003 21:30:20 +0300 Subject: comments about designation of thd->where and thd->proc_info added sql/sql_class.h: comments about thd->where and thd->proc_info added --- sql/sql_class.h | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'sql/sql_class.h') diff --git a/sql/sql_class.h b/sql/sql_class.h index 27258c025d8..58543a3d230 100644 --- a/sql/sql_class.h +++ b/sql/sql_class.h @@ -379,7 +379,11 @@ public: char priv_host[MAX_HOSTNAME]; /* remote (peer) port */ uint16 peer_port; - /* Points to info-string that will show in SHOW PROCESSLIST */ + /* + Points to info-string that we show in SHOW PROCESSLIST + You are supposed to update thd->proc_info only if you have coded + a time-consuming piece that MySQL can get stuck in for a long time. + */ const char *proc_info; /* points to host if host is available, otherwise points to ip */ const char *host_or_ip; @@ -408,6 +412,11 @@ public: enum enum_server_command command; uint32 server_id; uint32 file_id; // for LOAD DATA INFILE + /* + Used in error messages to tell user in what part of MySQL we found an + error. E. g. when where= "having clause", if fix_fields() fails, user + will know that the error was in having clause. + */ const char *where; time_t start_time,time_after_lock,user_time; time_t connect_time,thr_create_time; // track down slow pthread_create -- cgit v1.2.1