[v10.2.x] InfluxDB: Fix aliasing with $measurement or $m on backend mode #77383
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* better interpolation $measurement aliasing * unit tests (cherry picked from commit 5eb0b2b)
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Oct 30, 2023
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Backport 5eb0b2b from #76917
What is this feature?
When you have multiple measurements in the response and have
$measurementor$mas alias, the result is not being rendered properly. This PR is addressing that issue by getting the measurement from the response itself.Who is this feature for?
InfluxDB backend mode users who have
$measurementor$mas alias and have multiple measurementsWhich issue(s) does this PR fix?:
Fixes #52844
Special notes for your reviewer:
How to test it?
influxdbBackendMigration=trueSELECT mean("value") FROM /.*/ WHERE $timeFilter GROUP BY time($__interval) fill(null)$measurementas alias