Allow partial results by default in ES|QL (#125060) #126263
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With this change, ES|QL will return partial results instead of failing the entire query when encountering errors. Callers should check the partial_results flag in the response to determine if the result is partial or complete. If returning partial results is not desired, this option can be overridden per request via the allow_partial_results parameter in the query URL or globally via the cluster setting esql.allow_partial_results. Relates elastic#122802
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alex-spies
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Apr 4, 2025
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Please hold on with the merge of this backport. On main, we noticed the PR caused a bug where missing indices can break a query altogether (#126275), which surfaced after the main PR of this backport was merged.
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Backport of #125060 to 8.19
With this change, ES|QL will return partial results instead of failing the entire query when encountering errors. Callers should check the partial_results flag in the response to determine if the result is partial or complete. If returning partial results is not desired, this option can be overridden per request via the allow_partial_results parameter in the query URL or globally via the cluster setting esql.allow_partial_results.
Relates #122802