Starting event immediately after it's created

Author: Konstantin Kalinovsky

migrations/V89__global_rating_distribution_view_to_event.sql

@@ -8,20 +8,10 @@ CREATE TABLE IF NOT EXISTS `global_rating_distribution` (
 ALTER TABLE `global_rating`
 ADD INDEX `global_rating_idx_for_rating_distribution` (`is_active`, `numGames`, `mean`, `deviation`);
 
-INSERT INTO global_rating_distribution
-SELECT `subq`.`rating`, COUNT(*)
-FROM (
-  SELECT floor((`global_rating`.`mean` - 3 * `global_rating`.`deviation`) / 100) * 100 AS `rating`
-  FROM `global_rating`
-  WHERE `global_rating`.`is_active` = 1 AND `global_rating`.`numGames` > 0
-) AS `subq`
-GROUP BY `subq`.`rating`
-ORDER BY `subq`.`rating`;
-
 DELIMITER $$
 
 CREATE EVENT IF NOT EXISTS `global_rating_distribution`
-ON SCHEDULE EVERY 1 HOUR
+ON SCHEDULE EVERY 1 HOUR STARTS CURRENT_TIMESTAMP
 COMMENT 'Recompute the global_rating_distribution table every hour'
 DO
     BEGIN

migrations/V90__map_reviews_summary_view_to_event.sql

@@ -11,35 +11,10 @@ CREATE TABLE IF NOT EXISTS `map_reviews_summary` (
 ) ENGINE=InnoDB;
 
 
-INSERT INTO map_reviews_summary
-SELECT `map_version`.`map_id` AS `id`,
-       `map_version`.`map_id` AS `map_id`,
-       sum(`summary`.`positive`) AS `positive`,
-       sum(`summary`.`negative`) AS `negative`,
-       sum(`summary`.`score`) AS `score`,
-       sum(`summary`.`reviews`) AS `reviews`,
-       IF(sum(`summary`.`reviews`) = 0, NULL, sum(`summary`.`weighted_bound`) / sum(`summary`.`reviews`)) AS `lower_bound`
-FROM (
-  (
-    SELECT `map_version_reviews_summary`.`id` AS `id`,
-           `map_version_reviews_summary`.`map_version_id` AS `map_version_id`,
-           `map_version_reviews_summary`.`positive` AS `positive`,
-           `map_version_reviews_summary`.`negative` AS `negative`,
-           `map_version_reviews_summary`.`score` AS `score`,
-           `map_version_reviews_summary`.`reviews` AS `reviews`,
-           `map_version_reviews_summary`.`lower_bound` AS `lower_bound`,
-           `map_version_reviews_summary`.`reviews` * `map_version_reviews_summary`.`lower_bound` AS `weighted_bound`
-    FROM `map_version_reviews_summary`
-  ) `summary`
-  JOIN `map_version` on `map_version`.`id` = `summary`.`map_version_id`
-)
-GROUP BY `map_version`.`map_id`;
-
-
 DELIMITER $$
 
 CREATE EVENT IF NOT EXISTS `map_reviews_summary`
-ON SCHEDULE EVERY 10 MINUTE
+ON SCHEDULE EVERY 10 MINUTE STARTS CURRENT_TIMESTAMP
 COMMENT 'Recompute the map_reviews_summary table every 10 minutes'
 DO
     BEGIN

migrations/V91__ladder1v1_rating_distribution_view_to_event.sql

@@ -8,20 +8,10 @@ CREATE TABLE IF NOT EXISTS `ladder1v1_rating_distribution` (
 ALTER TABLE `ladder1v1_rating`
 ADD INDEX `ladder1v1_rating_idx_for_rating_distribution` (`is_active`, `numGames`, `mean`, `deviation`);
 
-INSERT INTO ladder1v1_rating_distribution
-SELECT `subq`.`rating`, COUNT(*)
-FROM (
-  SELECT floor((`ladder1v1_rating`.`mean` - 3 * `ladder1v1_rating`.`deviation`) / 100) * 100 AS `rating`
-  FROM `ladder1v1_rating`
-  WHERE `ladder1v1_rating`.`is_active` = 1 AND `ladder1v1_rating`.`numGames` > 0
-) AS `subq`
-GROUP BY `subq`.`rating`
-ORDER BY `subq`.`rating`;
-
 DELIMITER $$
 
 CREATE EVENT IF NOT EXISTS `ladder1v1_rating_distribution`
-ON SCHEDULE EVERY 1 HOUR
+ON SCHEDULE EVERY 1 HOUR STARTS CURRENT_TIMESTAMP
 COMMENT 'Recompute the ladder1v1_rating_distribution table every hour'
 DO
     BEGIN

migrations/V92__mod_review_summary_view_to_event.sql

@@ -11,34 +11,10 @@ CREATE TABLE IF NOT EXISTS `mod_reviews_summary` (
     lower_bound DOUBLE NULL
 ) ENGINE=InnoDB;
 
-
-INSERT INTO mod_reviews_summary
-SELECT `mod_version`.`mod_id` AS `id`,
-       `mod_version`.`mod_id` AS `mod_id`,
-       sum(`summary`.`positive`) AS `positive`,
-       sum(`summary`.`negative`) AS `negative`,
-       sum(`summary`.`score`) AS `score`,
-       sum(`summary`.`reviews`) AS `reviews`,
-       IF(sum(`summary`.`reviews`) = 0, NULL, sum(`summary`.`weighted_bound`) / sum(`summary`.`reviews`)) AS `lower_bound`
-FROM (
-       (SELECT `mod_version_reviews_summary`.`id` AS `id`,
-               `mod_version_reviews_summary`.`mod_version_id` AS `mod_version_id`,
-               `mod_version_reviews_summary`.`positive` AS `positive`,
-               `mod_version_reviews_summary`.`negative` AS `negative`,
-               `mod_version_reviews_summary`.`score` AS `score`,
-               `mod_version_reviews_summary`.`reviews` AS `reviews`,
-               `mod_version_reviews_summary`.`lower_bound` AS `lower_bound`,
-               `mod_version_reviews_summary`.`reviews` * `mod_version_reviews_summary`.`lower_bound` AS `weighted_bound`
-        FROM `mod_version_reviews_summary`
-      ) `summary`
-      JOIN `mod_version` ON `mod_version`.`id` = `summary`.`mod_version_id`
-)
-GROUP BY `mod_version`.`mod_id`;
-
 DELIMITER $$
 
 CREATE EVENT IF NOT EXISTS `mod_reviews_summary`
-ON SCHEDULE EVERY 10 MINUTE
+ON SCHEDULE EVERY 10 MINUTE STARTS CURRENT_TIMESTAMP
 COMMENT 'Recompute the mod_reviews_summary table every 10 minutes'
 DO
     BEGIN