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bugfix: progress reporting and sub-statements

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(a stored function or TRIGGER, that runs LOAD DATA, which, itself,
invokes another trigger, that also does LOAD DATA, etc).
This commit is contained in:
Sergei Golubchik 2011-10-19 22:55:43 +02:00
parent a078f13121
commit 9f40bfbe6a
2 changed files with 13 additions and 5 deletions
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17
sql/sql_class.cc
View File

@ -788,6 +788,7 @@ THD::THD()
user_time.val= start_time= start_time_sec_part= 0;
start_utime= prior_thr_create_utime= 0L;
utime_after_lock= 0L;
progress.arena= 0;
progress.report_to_client= 0;
progress.max_counter= 0;
current_linfo = 0;
@ -1236,11 +1237,6 @@ void THD::update_all_stats()
ulonglong end_cpu_time, end_utime;
double busy_time, cpu_time;
/* Reset status variables used by information_schema.processlist */
progress.max_counter= 0;
progress.max_stage= 0;
progress.report= 0;
/* This is set at start of query if opt_userstat_running was set */
if (!userstat_running)
return;
@ -3741,6 +3737,9 @@ static void thd_send_progress(THD *thd)
extern "C" void thd_progress_init(MYSQL_THD thd, uint max_stage)
{
DBUG_ASSERT(thd->stmt_arena != thd->progress.arena);
if (thd->progress.arena)
return; // already initialized
/*
Send progress reports to clients that supports it, if the command
is a high level command (like ALTER TABLE) and we are not in a
@ -3753,6 +3752,7 @@ extern "C" void thd_progress_init(MYSQL_THD thd, uint max_stage)
thd->progress.stage= 0;
thd->progress.counter= thd->progress.max_counter= 0;
thd->progress.max_stage= max_stage;
thd->progress.arena= thd->stmt_arena;
}
@ -3761,6 +3761,8 @@ extern "C" void thd_progress_init(MYSQL_THD thd, uint max_stage)
extern "C" void thd_progress_report(MYSQL_THD thd,
ulonglong progress, ulonglong max_progress)
{
if (thd->stmt_arena != thd->progress.arena)
return;
if (thd->progress.max_counter != max_progress) // Simple optimization
{
mysql_mutex_lock(&thd->LOCK_thd_data);
@ -3784,6 +3786,8 @@ extern "C" void thd_progress_report(MYSQL_THD thd,
extern "C" void thd_progress_next_stage(MYSQL_THD thd)
{
if (thd->stmt_arena != thd->progress.arena)
return;
mysql_mutex_lock(&thd->LOCK_thd_data);
thd->progress.stage++;
thd->progress.counter= 0;
@ -3810,11 +3814,14 @@ extern "C" void thd_progress_next_stage(MYSQL_THD thd)
extern "C" void thd_progress_end(MYSQL_THD thd)
{
if (thd->stmt_arena != thd->progress.arena)
return;
/*
It's enough to reset max_counter to set disable progress indicator
in processlist.
*/
thd->progress.max_counter= 0;
thd->progress.arena= 0;
}

1
sql/sql_class.h
View File

@ -1654,6 +1654,7 @@ public:
uint stage, max_stage;
ulonglong counter, max_counter;
ulonglong next_report_time;
Query_arena *arena;
} progress;
thr_lock_type update_lock_default;