Add index to civicrm_contact.created_date & modified_date

[eileenmcnaughton]

Overview

Adds index on civicrm_contact.created_date & modified_date to speed up searches that access those fields

Before

Unindexed

After

Indexed on new installs or installs that have run the upgrade script

Technical Details

Comments

Note this will add the indexes to new installs or to installs who run the script to update indexes
(we used to promote this via a status check but there was a bug & we 'hushed' it & stopped trying to fix
the bug)

[civibot]

(Standard links)

• If this is your first pull-request for CiviCRM, please browse CONTRIBUTING.md for information about the development and testing processes.
• If you are reviewing this pull-request, you may wish to consult the test sites and the Review Standards (long template, short template).

[totten]

Seems like a sensible change. 👍

[MegaphoneJon]

If I apply this as a patch to 5.17 and run System.updateindexes I assume there won't be any repercussions on upgrade to 5.18, because it's not part of the normal upgrade script?

[eileenmcnaughton]

That's correct

[seamuslee001]

@eileenmcnaughton this now has a conflict can you rebase?

[eileenmcnaughton]

@seamuslee001 done

[seamuslee001]

Test fail unrelated