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@masseyke masseyke commented Jul 28, 2025

This correctly replaces mappings for subobjects rather than attempting to merge them in the simulate ingest API.
This fixes the problem in the description of #131608, but does not address the problem described in a comment in that issue, which appears to be different.

@masseyke masseyke added >bug :Data Management/Ingest Node Execution or management of Ingest Pipelines including GeoIP v9.2.0 v9.1.1 v9.0.5 v8.18.5 labels Jul 28, 2025
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Pinging @elastic/es-data-management (Team:Data Management)

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Hi @masseyke, I've created a changelog YAML for you.

@elasticsearchmachine elasticsearchmachine added the Team:Data Management Meta label for data/management team label Jul 28, 2025
.build();
Engine.Index result = indicesService.withTempIndexService(originalIndexMetadata, indexService -> {
indexService.mapperService().merge(updatedIndexMetadata, MapperService.MergeReason.MAPPING_UPDATE);
indexService.mapperService().merge(updatedIndexMetadata, MapperService.MergeReason.INDEX_TEMPLATE);
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Hmm… I'm worried we kind of want both behaviors right? The MAPPING_UPDATE one is if we were to update the mapping via the API, while the INDEX_TEMPLATE one is for updating the template. Do we know for sure what the intent is on the user's side?

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My thinking was that if a user wanted to simulate this change, they'd be doing it through an index-template-like update rather than a mapping update, since this change just fails with a mapping update. This API is meant to simulate what would happen if the index had this mapping change, rather than what would happen if I attempted to make this mapping change.

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Hi @masseyke, I've updated the changelog YAML for you.

@masseyke masseyke marked this pull request as draft July 28, 2025 22:24
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I'm closing this one in favor of the approach given in #132210.

@masseyke masseyke closed this Jul 30, 2025
@masseyke masseyke deleted the fix/simulate-ingest-subobject-mapping branch July 30, 2025 20:40
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>bug :Data Management/Ingest Node Execution or management of Ingest Pipelines including GeoIP Team:Data Management Meta label for data/management team v8.18.5 v9.0.5 v9.1.1 v9.2.0

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3 participants