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SQL: Fix 2021_10_02_00_characters.sql compatibility with mysql 5.7

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Shauren
2021-10-06 00:15:06 +02:00
parent 45b4910c96
commit f602a83bb4
2 changed files with 39 additions and 9 deletions
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46
sql/updates/characters/master/2021_10_02_00_characters.sql
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@@ -1,12 +1,42 @@
ALTER TABLE `characters`
ADD `createTime` bigint(20) NOT NULL DEFAULT '0' AFTER `online`,
ADD `createMode` tinyint(4) NOT NULL DEFAULT '0' AFTER `createTime`;
-- THIS SQL UPDATE HAS BEEN EDITED TO FIX MYSQL 5.7 COMPATIBILITY
-- ADD COLUMN IF NOT EXISTS
SET @dbname = DATABASE();
SET @preparedStatement = (SELECT IF(
(
SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
WHERE
(table_name = 'characters')
AND (table_schema = @dbname)
AND (column_name = 'createTime')
) > 0,
"SELECT 'Skipped adding column, already exists.'",
CONCAT("ALTER TABLE characters ADD `createTime` bigint(20) NOT NULL DEFAULT '0' AFTER `online`, ADD `createMode` tinyint(4) NOT NULL DEFAULT '0' AFTER `createTime`")
));
PREPARE alterIfNotExists FROM @preparedStatement;
EXECUTE alterIfNotExists;
DEALLOCATE PREPARE alterIfNotExists;
-- EDITED NOTE: updates safe to reapply unconditionally
-- AT_LOGIN_FIRST: Characters that have never logged in have accurate creation timestamp in `logout_time`
UPDATE `characters` SET `createTime`=`logout_time` WHERE (`at_login` & 0x20) != 0;
-- attempt to find lowest criteria timestamp for characters that have logged in already
UPDATE `characters` SET `createTime`=(SELECT COALESCE(MIN(candidates.`date`), UNIX_TIMESTAMP()) FROM (
SELECT MIN(cap.`date`) `date` FROM `character_achievement_progress` cap WHERE cap.`guid`=`characters`.`guid`
UNION
SELECT MIN(ca.`date`) `date` FROM `character_achievement` ca WHERE ca.`guid`=`characters`.`guid`
) candidates) WHERE (`at_login` & 0x20) = 0;
UPDATE `characters` c
INNER JOIN
(
SELECT cap.`guid` `guid`, COALESCE(MIN(cap.`date`), UNIX_TIMESTAMP()) `date`
FROM `character_achievement_progress` cap
GROUP BY cap.`guid`
) criteria ON criteria.`guid` = c.`guid`
INNER JOIN
(
SELECT ca.`guid` `guid`, COALESCE(MIN(ca.`date`), UNIX_TIMESTAMP()) `date`
FROM `character_achievement` ca
GROUP BY ca.`guid`
) achievement ON achievement.`guid` = c.`guid`
SET
`createTime` = IF(criteria.`date` < achievement.`date`,
criteria.`date`,
achievement.`date`)
WHERE
(`at_login` & 0x20) = 0;