[draft] MSSQL DSR query hint support

[adamsachs]

Ticket ENG-2176

Depends on a fideslang update that's pending here: ethyca/fideslang#37

Description Of Changes

Initial shot at a mechanism for supporting 'query hints' on generated DSR queries, specified via configuration on Dataset Collections. The first query hint that would be supported is a MAXDOP hint for MSSQL connectors.

Code Changes

Steps to Confirm

Pre-Merge Checklist

• Issue requirements met
• All CI pipelines succeeded
• CHANGELOG.md updated
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  • Updates unreleased work already in Changelog, no new entry necessary
• UX feedback:
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• Followup issues:
  • Followup issues created
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  • Ensure that your downrev is up to date with the latest revision on main
  • Ensure that your downgrade() migration is correct and works
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  • No migrations
• Documentation:
  • Documentation complete, PR opened in fidesdocs
  • Documentation issue created in fidesdocs
  • If there are any new client scopes created as part of the pull request, remember to update public-facing documentation that references our scope registry
  • No documentation updates required

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2 Skipped Deployments

Project	Deployment	Preview	Comments	Updated (UTC)
fides-plus-nightly	Ignored			Dec 11, 2025 2:57am
fides-privacy-center	Ignored			Dec 11, 2025 2:57am

[adamsachs]

closing PR as we're no longer pursuing this feature at the moment.