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Can we mark a field as External Id in a patch org?

I need this so that the field will be indexed.

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  • Question is short but clear IMHO. Added a couple of links to it.
    – Keith C
    Aug 23, 2017 at 13:11

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I assume you can't as that would violate the key principle of "while ensuring that subscribers experience no visible changes to the package" that also ensures a patch org can be upgraded to the next non-patch version.

Looking in a patch org to confirm, for a custom object field I see the option disabled:

External ID - Set this field as the unique record identifier from an external system

So you can't.

PS

In fact the restriction is broader than patch orgs: Allow edit of ExternalId for Managed-Deployed custom fields.

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  • Right - you can't later decide a field should be an external id, unique etc or vice - versa - that piece is locked once the field is packaged
    – BritishBoyinDC
    Aug 23, 2017 at 13:11
  • Thanks @Keith. Yes, the restriction is broader - we cannot mark as external id in packaging org as well.
    – ajinkyah
    Aug 24, 2017 at 9:34

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