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[PR #1558] [RFC] remove indexes overruled by primary key #9620

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opened 2026-01-22 16:04:53 +01:00 by admin · 0 comments
admin commented 2026-01-22 16:04:53 +01:00
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Original Pull Request: https://github.com/doctrine/orm/pull/1558

State: closed
Merged: Yes

Fixes #1522

There can be unique indexes automatically created for join column.
If join column is also primary key we should keep only primary key on this column.

Oracle does not allow having both unique index and primary key on the same column, it is useless for mysql too.
(Previously it was done by DBAL, but now it allows duplicate indexes)

**Original Pull Request:** https://github.com/doctrine/orm/pull/1558 **State:** closed **Merged:** Yes --- Fixes #1522 There can be unique indexes automatically created for join column. If join column is also primary key we should keep only primary key on this column. Oracle does not allow having both unique index and primary key on the same column, it is useless for mysql too. (Previously it was done by DBAL, but now it allows duplicate indexes)
admin added the pull-request label 2026-01-22 16:04:53 +01:00
admin closed this issue 2026-01-22 16:04:53 +01:00
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Reference: doctrine/archived-orm#9620
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