Dropping JobsetInputAlts

Hey everyone, I have a PR in which drops the JobsetInputAlts table: https://github.com/NixOS/hydra/pull/1147. My plan is to write a migration to move the data from the alts to the Inputs table directly. This would cause some data loss for jobsets and evaluations which used the alts back when it was still supported. This would be roughly 2017 or so. My questions:

  1. Does anyone use alts to any degree now?
  2. Would it be upsetting to have those old records be disappeared from your database?
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IOG (formally IOHK) doesn’t use this option.

Should probably get someone from serokell. Not sure of any other big nix shops that have been around since 2017.

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