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//home/yanggyein/yanggyein/partitioning_iot_egg.sh
#!/bin/sh USER=root PASS=web!@# DATABASE=egg TODAY=$(date "+%Y-%m-%d") DT=$(date -d '+2 day' "+%Y-%m-%d") DTT=$(date -d '+2 day' "+p%Y%m%d") mysql -u $USER -p$PASS <<EOF use $DATABASE; ALTER TABLE partition_iot_2 REORGANIZE PARTITION pMAX INTO ( PARTITION ${DTT} VALUES LESS THAN (to_days('${DT} 00:00:00')) ENGINE=InnoDB, PARTITION pMAX VALUES LESS THAN MAXVALUE ENGINE = InnoDB ); INSERT INTO partition_iot_2 SELECT * FROM iot_raw ON duplicate KEY UPDATE jtime = VALUES(jtime); DELETE FROM iot_raw WHERE jtime < "${TODAY}"; EOF echo Success;