71 lines
3.0 KiB
MySQL
71 lines
3.0 KiB
MySQL
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-- RENAME COLUMN `creator` to `creatorId`
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ALTER TABLE Account.snapshots CHANGE creator creatorId INT(11);
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-- STORE DATETIME SNAPSHOT CREATED (CLEANUP PURPOSES)
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ALTER TABLE Account.snapshots ADD created DATETIME DEFAULT NOW() NOT NULL;
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ALTER TABLE Account.snapshots
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MODIFY COLUMN creatorId INT(11) AFTER created;
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-- CASCADE HANDLERS TABLE
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ALTER TABLE Account.reportHandlers DROP FOREIGN KEY reportHandlers_reports_id_fk;
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ALTER TABLE Account.reportHandlers
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ADD CONSTRAINT reportHandlers_reports_id_fk
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FOREIGN KEY (reportId) REFERENCES reports (id) ON DELETE CASCADE;
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-- CASCADE REASONS/REPORTERS TABLE
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ALTER TABLE Account.reportReasons DROP FOREIGN KEY reportReasons_reports_id_fk;
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ALTER TABLE Account.reportReasons
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ADD CONSTRAINT reportReasons_reports_id_fk
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FOREIGN KEY (reportId) REFERENCES reports (id) ON DELETE CASCADE;
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-- CASCADE RESULTS TABLE
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ALTER TABLE Account.reportResults DROP FOREIGN KEY reportResults_reports_id_fk;
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ALTER TABLE Account.reportResults
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ADD CONSTRAINT reportResults_reports_id_fk
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FOREIGN KEY (reportId) REFERENCES reports (id) ON DELETE CASCADE;
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-- CASCADE SNAPSHOT MESSAGE MAP
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ALTER TABLE Account.snapshotMessageMap DROP FOREIGN KEY snapshotMessageMap_snapshots_id_fk;
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ALTER TABLE Account.snapshotMessageMap
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ADD CONSTRAINT snapshotMessageMap_snapshots_id_fk
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FOREIGN KEY (snapshotId) REFERENCES snapshots (id) ON DELETE CASCADE;
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ALTER TABLE Account.snapshotMessageMap DROP FOREIGN KEY snapshotMessageMap_snapshotMessages_id_fk;
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ALTER TABLE Account.snapshotMessageMap
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ADD CONSTRAINT snapshotMessageMap_snapshotMessages_id_fk
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FOREIGN KEY (messageId) REFERENCES snapshotMessages (id) ON DELETE CASCADE;
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-- CASCADE SNAPSHOT RECIPIENTS TABLE
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ALTER TABLE Account.snapshotRecipients DROP FOREIGN KEY snapshotRecipients_snapshotMessages_id_fk;
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ALTER TABLE Account.snapshotRecipients
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ADD CONSTRAINT snapshotRecipients_snapshotMessages_id_fk
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FOREIGN KEY (messageId) REFERENCES snapshotMessages (id) ON DELETE CASCADE;
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-- CREATE CLEANUP TASK
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DELIMITER //
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-- CREATE EVENT TO RUN EVERY DAY AT 00:00
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CREATE EVENT `report_cleanup`
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ON SCHEDULE
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EVERY 1 DAY
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-- FORCE TASK TO RUN AT 00:00 DAILY
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STARTS (TIMESTAMP(CURRENT_DATE) + INTERVAL 1 DAY)
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ON COMPLETION PRESERVE
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COMMENT 'Cleans up old report and snapshot data.'
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DO BEGIN
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-- DELETE REPORTS (AND ASSOCIATED SNAPSHOT IF ANY) CLOSED > 30 DAYS AGO
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DELETE reports, snapshots FROM reports
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LEFT JOIN reportResults ON reports.id = reportResults.reportId
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LEFT JOIN snapshots ON reports.snapshotId = snapshots.id
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WHERE reportResults.closedTime NOT BETWEEN NOW() - INTERVAL 30 DAY AND NOW();
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-- DELETE SNAPSHOTS NOT LINKED TO REPORT AND OLDER THAN 30 DAYS
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DELETE snapshots FROM snapshots
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LEFT JOIN reports ON snapshots.id = reports.snapshotId
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WHERE reports.id IS NULL
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AND snapshots.created NOT BETWEEN NOW() - INTERVAL 30 DAY AND NOW();
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-- DELETE ORPHANED SNAPSHOT MESSAGES
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DELETE snapshotMessages FROM snapshotMessages
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LEFT JOIN snapshotMessageMap ON snapshotMessages.id = snapshotMessageMap.messageId
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WHERE snapshotMessageMap.snapshotId IS NULL;
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END//
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