Five Real Laravel Migration Errors That Reached Production and How to Fix Them

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A developer running a live Laravel e-commerce store documented five database migration mistakes that made it into production, including one that is still present today. The most striking error involved passing an integer to Laravel's char() method as the first argument, which created a column literally named '36' instead of a UUID column called 'oId'. Because MySQL permits numeric column names and no exception was thrown, the migration passed all tests and went undetected for six weeks. A separate migration later added the intended 'oId' column as the wrong data type, leaving the table carrying both the erroneous column and its flawed replacement simultaneously. The author provides repair migrations for each mistake and notes that the real cost of a sloppy migration extends beyond the bad column itself, as it generates additional corrective migrations and technical debt over time.

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