xAODRootAccess: Prepare for possible migration to 64-bit sgkey_t.

Use sgkey_t rather than hardcoded types. Use SGKeyMap.

assigned to @ssnyder

added alsoTargeting:22.0 label

There were multiple CI triggers for this MR and commit. The system ignored duplicates but the GitLab pipeline status may incorrectly show the job as failed. Once the remaining job finished running, the CI results will be posted as usual.

WARNING: big files (>100K) are found in the changeset

140K in file Control/xAODRootAccess/Root/TEvent.cxx

This merge request affects 2 packages:

• Control/xAODRootAccess
• Control/xAODRootAccessInterfaces

Affected files list will not be printed in this case

Adding @akraszna ,@ssnyder as watchers

added Core analysis-review-required master review-pending-level-1 labels

CI Result SUCCESS (hash 6f0a1c5a)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 57057]

The changes look fine and there are no CI issues. Approving.

Jason (L1)

added review-approved label and removed review-pending-level-1 label

added analysis-review-approved label and removed analysis-review-required label

merged

mentioned in commit abd32eab

added sweep:done label

picked the changes into the branch cherry-pick-abd32eab264-22.0 with commit 1df48f2f

mentioned in commit 1df48f2f

Sweep summary
successful:

• 22.0

(see https://aiatlas154.cern.ch/jenkins/job/auto_git_sweeps/2965/console for details)

mentioned in merge request !55733 (merged)

mentioned in commit 806403bd