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I think the way MySQL works in doing "INSERT ... ON DUPLICATE KEY UPDATE" is to delete the old row and insert a new row if there's an auto incremental column (m
by kkland 11y ago
I think the way MySQL works in doing "INSERT ... ON DUPLICATE KEY UPDATE" is to delete the old row and insert a new row if there's an auto incremental column (mostly it's ID column). Being curious if Postgres works the same way in this regard.
- dugmartin 11y agoNo, the auto increment columns are maintained as is.
- kkland 11y agoThat's great. Otherwise, it just wastes IDs unless one figures out a workaround for it.
- girvo 11y agoNo, that's how REPLACE works -- which is a complete pain to be honest! INSERT ... UPDATE works the way you'd hope it would, and keeps the auto inc columns correct.