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What's the case where adding a JSON column causes downtime with Postgres?
by erichurkman 9y ago
What's the case where adding a JSON column causes downtime with Postgres?
- icebraining 9y agoWhat do you mean?
- tclancy 9y agoI think they're referring to the last item in the list at https://github.com/ankane/strong_migrations#dangerous-operations https://github.com/ankane/strong_migrations#dangerous-operat... which was linked from the article.
- benmanns 9y agoIt looks like that can affect `SELECT DISTINCT` queries. From https://github.com/ankane/strong_migrations#adding-a-json-column-postgres https://github.com/ankane/strong_migrations#adding-a-json-co...