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Query: Enable promql-experimental-functions#8191

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heysujal wants to merge 9 commits intothanos-io:mainfrom
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Query: Enable promql-experimental-functions#8191
heysujal wants to merge 9 commits intothanos-io:mainfrom
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@heysujal
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@heysujal heysujal commented Apr 5, 2025

  • I added CHANGELOG entry for this change.
  • Change is not relevant to the end user.

Changes

Fixes #7640

In thanos/query.go

  1. Added "promql-experimental-functions" in query.go
  2. Added cmd.Flag for enableQueryExperimentalFunctions
  3. Updated FeatureList Description
  4. Added logger for promqlExperimentalFunctions flag
  5. Updated query builder for the same

Added entry for the same in pkg/api/query/engine.go , pkg/queryfrontend/config.go, and test/e2e/e2ethanos/services.go

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@heysujal heysujal marked this pull request as draft April 5, 2025 20:40
@heysujal heysujal marked this pull request as ready for review April 9, 2025 18:00
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@yeya24 yeya24 left a comment

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Please fix build

heysujal and others added 6 commits April 19, 2025 23:36
Signed-off-by: Sujal Gupta <sujalgupta6100@gmail.com>
Signed-off-by: Sujal Gupta <sujalgupta6100@gmail.com>
Signed-off-by: Sujal Gupta <sujalgupta6100@gmail.com>
Adjust the default get-config timeout to match the default get-config
interval.

Signed-off-by: Michael Hoffmann <mhoffmann@cloudflare.com>
Signed-off-by: Sujal Gupta <sujalgupta6100@gmail.com>
Signed-off-by: Sujal Gupta <sujalgupta6100@gmail.com>
Signed-off-by: Sujal Gupta <sujalgupta6100@gmail.com>
@heysujal heysujal requested a review from yeya24 April 19, 2025 18:22
activeQueryDir := cmd.Flag("query.active-query-path", "Directory to log currently active queries in the queries.active file.").Default("").String()

featureList := cmd.Flag("enable-feature", "Comma separated experimental feature names to enable.The current list of features is empty.").Hidden().Default("").Strings()
featureList := cmd.Flag("enable-feature", "Comma separated experimental feature names to enable. The current list of features is: promql-experimental-functions (enables experimental PromQL functions).").Hidden().Default("").Strings()
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Does this flag still need to be hidden, I wonder

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The idea was just to support it, so I am not sure either.

*enableTargetPartialResponse,
*enableMetricMetadataPartialResponse,
*enableExemplarPartialResponse,
false,
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@Saumya40-codes Saumya40-codes Apr 28, 2025

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if --enable-feature=promql-experimental-functions is set, this will still take it as false.

https://github.com/thanos-io/thanos/pull/8191/files#diff-f9808a0ac67a474a18f6a7ea767593f85c216aeafe322c1ff5d17c81ababff95R211-R221

maybe we can intercept by checking from here if the set value is promql-experimental-functions and pass true/false based on that.

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@Saumya40-codes , so like writing an expression here?

DefaultTenant string
TenantCertField string
EnableXFunctions bool
EnableQueryExperimentalFunctions bool
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@Saumya40-codes Saumya40-codes Apr 28, 2025

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we can use this field at cmd/thanos/query_frontend.go now

e.g. https://github.com/thanos-io/thanos/blob/main/cmd/thanos/query_frontend.go#L161

Signed-off-by: Sujal Gupta <55016909+heysujal@users.noreply.github.com>
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Fixed in another PR. Thank you for your contribution!

@GiedriusS GiedriusS closed this Jun 19, 2025
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FT add feature flag for 'promql-experimental-functions'.

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