fleet/changes/30199-mdm-check-fix
Ian Littman e71d00c688
Use dedicated, string-interpolated queries for single-host MDM status checks to reduce prepared statement usage (#30264)
For #30199 

The hottest path for these changes is the Orbit config getter, which
runs every 30 seconds for each host. That means that for 10k enrolled
hosts this will save ~333 prepares per second...which adds up.

There are a few other places that use this query, but not on as hot of a
path.

Safe despite not using prepared statements because you can't SQL-inject
a number. Existing tests cover this path well, hence no new ones.

Needs manual MDM testing.

# Checklist for submitter

If some of the following don't apply, delete the relevant line.

<!-- Note that API documentation changes are now addressed by the
product design team. -->

- [x] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
See [Changes
files](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/guides/committing-changes.md#changes-files)
for more information.
- [x] Input data is properly validated, `SELECT *` is avoided, SQL
injection is prevented (using placeholders for values in statements)
2025-06-24 10:12:33 -05:00

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* Optimized database queries for MDM enrollment checks when one host is being checked at a time.