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Before Twitter migrated off their MySQL user database there were many columns that had been repurposed for exactly this reason.
by spullara 5y ago
Before Twitter migrated off their MySQL user database there were many columns that had been repurposed for exactly this reason.
- simonw 5y agoI've been contemplating adding a JSON column to all of my tables just to provide somewhere that covers those cases - still controlled with source-code level validation and with the expectation that any column which needs to be used for filtering rows gets promoted to "real column" status. I'd much rather use a robust, performant real schema migrations tool though.