[Transform] Optimize composite agg execution using ordered groupings #75518
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…lastic#75424) Automatically reorder group_by for composite aggs, ensuring date histogram group by comes first. The order is only changed for execution, the provided config remains unchanged. In case of 2 group_by's of the same order type, the configuration order is respected. Script and runtime field based group_by's are penalized.
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Pinging @elastic/ml-core (Team:ML) |
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Automatically reorder group_by for composite aggs, ensuring date histogram
group by comes first. The order is only changed for execution, the provided
config remains unchanged.
In case of 2 group_by's of the same order type, the configuration order is
respected. Script and runtime field based group_by's are penalized.
backport #75424