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laravel-tips/content/tips/you-can-use-a-partial-index-to-enforce-uniqueness-in-tables-that-can-have-soft-deleted-records.md
lukinovec 32bb902024 Week 35/2022
2022-12-01 12:01:29 +01:00

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You can use a partial index to enforce uniqueness in tables that can have soft-deleted records 1596508365370191873 weekly-thread-2022-35 tobias_petry
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2022-11-26T14:17:10+00:00 you-can-use-a-partial-index-to-enforce-uniqueness-in-tables-that-can-have-soft-deleted-records

⚡️ Database Tip

Unique indexes can not be created in some cases because a value is duplicated by e.g. soft-deleted rows.

But with partial indexes and creative tricks you can exclude some rows to create the uniqueness constraint on a selection of rows.

https://sqlfordevs.com/unique-index-ignore-some-rows