create_trigger.sql

LOCK TABLES mxq_job WRITE, mxq_group WRITE;
DELIMITER |
DROP TRIGGER IF EXISTS mxq_add_group|
CREATE TRIGGER mxq_add_group BEFORE INSERT ON mxq_group
    FOR EACH ROW BEGIN
        SET NEW.group_mtime = NOW();

        IF (NEW.group_jobs_running = 0 AND NEW.group_jobs_inq = 0) THEN
            SET NEW.group_date_end = NEW.group_mtime;
        ELSEIF  (NEW.group_jobs_running > 0 OR NEW.group_jobs_inq > 0) THEN
            SET NEW.group_date_end = 0;
        END IF;
    END;
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DROP TRIGGER IF EXISTS mxq_update_group|
CREATE TRIGGER mxq_update_group BEFORE UPDATE ON mxq_group
    FOR EACH ROW BEGIN
        SET NEW.group_mtime = NOW();

        IF OLD.group_jobs_inq > 0 AND OLD.group_jobs_running = 0 THEN
            SET NEW.stats_wait_sec = OLD.stats_wait_sec + (UNIX_TIMESTAMP(NEW.group_mtime) - UNIX_TIMESTAMP(OLD.group_mtime));
        ELSEIF OLD.group_jobs_running > 0 THEN
            SET NEW.stats_run_sec = OLD.stats_run_sec + (UNIX_TIMESTAMP(NEW.group_mtime) - UNIX_TIMESTAMP(OLD.group_mtime));
        END IF;

        IF (NEW.group_jobs_running = 0 AND NEW.group_jobs_inq = 0) AND
           (OLD.group_jobs_running > 0 OR OLD.group_jobs_inq > 0) THEN
            SET NEW.group_date_end = NEW.group_mtime;
        ELSEIF  (OLD.group_jobs_running = 0 AND OLD.group_jobs_inq = 0) AND
                (NEW.group_jobs_running > 0 OR NEW.group_jobs_inq > 0) THEN
            SET NEW.stats_idle_sec = OLD.stats_idle_sec + (UNIX_TIMESTAMP(NEW.group_mtime) - UNIX_TIMESTAMP(OLD.group_date_end));
            SET NEW.group_date_end = 0;
        END IF;
    END;
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DROP TRIGGER IF EXISTS mxq_add_job|
CREATE TRIGGER mxq_add_job AFTER INSERT ON mxq_job
    FOR EACH ROW BEGIN
        UPDATE mxq_group SET
            group_jobs=group_jobs+1,
            group_jobs_inq=group_jobs_inq+1,
            group_mtime=NULL
        WHERE group_id=NEW.group_id;
    END;
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DROP TRIGGER IF EXISTS mxq_update_job|
CREATE TRIGGER mxq_update_job BEFORE UPDATE ON mxq_job
    FOR EACH ROW BEGIN
        IF NEW.job_status != OLD.job_status THEN
            IF NEW.job_status IN (150, 200) AND OLD.job_status IN (0, 100)  THEN
                UPDATE mxq_group SET
                   group_jobs_inq=group_jobs_inq-1,
                   group_jobs_running=group_jobs_running+1,
                   group_slots_running=group_slots_running+NEW.host_slots,
                   group_mtime=NULL
                WHERE group_id=NEW.group_id;
            ELSEIF NEW.job_status = 200 AND OLD.job_status = 150 THEN
                UPDATE mxq_group SET
                   group_slots_running=group_slots_running-OLD.host_slots+NEW.host_slots,
                   group_mtime=NULL
                WHERE group_id=NEW.group_id;
            ELSEIF NEW.job_status IN (400, 750) AND OLD.job_status IN (150, 200, 250, 300, 350, 399) THEN
                UPDATE mxq_group SET
                   group_slots_running=group_slots_running-NEW.host_slots,
                   group_jobs_running=group_jobs_running-1,
                   group_jobs_failed=group_jobs_failed+1,
                   stats_max_sumrss=GREATEST(stats_max_sumrss, NEW.stats_max_sumrss),
                   stats_max_maxrss=GREATEST(stats_max_maxrss, NEW.stats_maxrss),
                   stats_max_utime_sec=GREATEST(stats_max_utime_sec, NEW.stats_utime_sec),
                   stats_max_stime_sec=GREATEST(stats_max_stime_sec, NEW.stats_stime_sec),
                   stats_max_real_sec=GREATEST(stats_max_real_sec, NEW.stats_real_sec),
                   stats_total_utime_sec=stats_total_utime_sec+NEW.stats_utime_sec,
                   stats_total_stime_sec=stats_total_stime_sec+NEW.stats_stime_sec,
                   stats_total_real_sec=stats_total_real_sec+NEW.stats_real_sec,
                   group_mtime=NULL
                WHERE group_id=NEW.group_id;
            ELSEIF NEW.job_status = 990 AND OLD.job_status IN (0, 100, 989) THEN
                SET NEW.date_start = NOW();
                SET NEW.date_end = NEW.date_start;
                UPDATE mxq_group SET
                   group_jobs_inq=group_jobs_inq-1,
                   group_jobs_cancelled=group_jobs_cancelled+1,
                   group_mtime=NULL
                WHERE group_id=NEW.group_id;
            ELSEIF NEW.job_status = 999 AND OLD.job_status IN (150, 200, 250, 399) THEN
                UPDATE mxq_group SET
                   group_slots_running=group_slots_running-NEW.host_slots,
                   group_jobs_running=group_jobs_running-1,
                   group_jobs_unknown=group_jobs_unknown+1,
                   group_mtime=NULL
                WHERE group_id=NEW.group_id;
            ELSEIF NEW.job_status = 999 AND OLD.job_status IN (400, 750, 755) THEN
                UPDATE mxq_group SET
                   group_jobs_failed=group_jobs_failed-1,
                   group_jobs_unknown=group_jobs_unknown+1,
                   group_mtime=NULL
                WHERE group_id=NEW.group_id;
            ELSEIF NEW.job_status = 1000 AND OLD.job_status IN (150, 200, 250, 300, 350, 399) THEN
                UPDATE mxq_group SET
                   group_slots_running=group_slots_running-NEW.host_slots,
                   group_jobs_running=group_jobs_running-1,
                   group_jobs_finished=group_jobs_finished+1,
                   stats_max_sumrss=GREATEST(stats_max_sumrss, NEW.stats_max_sumrss),
                   stats_max_maxrss=GREATEST(stats_max_maxrss, NEW.stats_maxrss),
                   stats_max_utime_sec=GREATEST(stats_max_utime_sec, NEW.stats_utime_sec),
                   stats_max_stime_sec=GREATEST(stats_max_stime_sec, NEW.stats_stime_sec),
                   stats_max_real_sec=GREATEST(stats_max_real_sec, NEW.stats_real_sec),
                   stats_total_utime_sec=stats_total_utime_sec+NEW.stats_utime_sec,
                   stats_total_stime_sec=stats_total_stime_sec+NEW.stats_stime_sec,
                   stats_total_real_sec=stats_total_real_sec+NEW.stats_real_sec,
                   stats_total_utime_sec_finished=stats_total_utime_sec_finished+NEW.stats_utime_sec,
                   stats_total_stime_sec_finished=stats_total_stime_sec_finished+NEW.stats_stime_sec,
                   stats_total_real_sec_finished=stats_total_real_sec_finished+NEW.stats_real_sec,
                   group_mtime=NULL
                WHERE group_id=NEW.group_id;
            ELSEIF NEW.job_status NOT IN (399, 755, 989, 990) THEN
                UPDATE mxq_group SET
                   stats_max_sumrss=GREATEST(stats_max_sumrss, NEW.stats_max_sumrss),
                   stats_max_maxrss=GREATEST(stats_max_maxrss, NEW.stats_maxrss),
                   stats_max_utime_sec=GREATEST(stats_max_utime_sec, NEW.stats_utime_sec),
                   stats_max_stime_sec=GREATEST(stats_max_stime_sec, NEW.stats_stime_sec),
                   stats_max_real_sec=GREATEST(stats_max_real_sec, NEW.stats_real_sec),
                   stats_total_utime_sec=stats_total_utime_sec+NEW.stats_utime_sec,
                   stats_total_stime_sec=stats_total_stime_sec+NEW.stats_stime_sec,
                   stats_total_real_sec=stats_total_real_sec+NEW.stats_real_sec,
                   group_mtime=NULL
                WHERE group_id=NEW.group_id;
            END IF;
        END IF;
    END;
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DELIMITER ;
UNLOCK TABLES;