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A database administrator faced issues during a MySQL upgrade when one table's IDs were assigned differently than expected, leading to incorrect row references in related tables. The problem stemmed from the use of an AUTO_INCREMENT column, which caused MySQL to switch to ROW mode for replication, resulting in discrepancies between the source and replica databases.
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A database administrator faced issues during a MySQL upgrade when one table's IDs were assigned differently than expected, leading to incorrect row references in related tables. The problem stemmed from the use of an AUTO_INCREMENT column, which caused MySQL to switch to ROW mode for replication, resulting in discrepancies between the source and replica databases.
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A safe MySQL upgrade that wasn't so safe
Issues Encountered During MySQL Upgrade Process