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SSE: Support hysteresis threshold expression (#70998)

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* extend threshold command with second evaluator called `unloadEvaluator` 
* Introduce a new expression command Hysteresis and update Threshold unmarshaller to create the HysteresisCommand if the second eval
* add feature flag `recoveryThreshold`
* update unmarshal threshold command to not re-marshall because it breaks frame definition by shuffling the schema and data fields
This commit is contained in:
Yuri Tseretyan
2023-10-10 17:51:50 +03:00
committed by GitHub
parent ceb6f8b409
commit 810fbc3327
12 changed files with 484 additions and 75 deletions
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pkg/expr/graph.go
+1 -1
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@@ -225,7 +225,7 @@ func (s *Service) buildGraph(req *Request) (*simple.DirectedGraph, error) {
case TypeDatasourceNode:
node, err = s.buildDSNode(dp, rn, req)
case TypeCMDNode:
node, err = buildCMDNode(dp, rn)
node, err = buildCMDNode(rn, s.features)
case TypeMLNode:
if s.features.IsEnabled(featuremgmt.FlagMlExpressions) {
node, err = s.buildMLNode(dp, rn, req)