Drop rewriting in date_histogram #57836
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The `date_histogram` aggregation had an optimization where it'd rewrite `time_zones` who's offset from UTC is fixed across the entire index. This rewrite is no longer needed after elastic#56371 because we can tell that a time zone is fixed lower down in the aggregation. So this removes it.
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Pinging @elastic/es-analytics-geo (:Analytics/Aggregations) |
elasticmachine
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I'm benchmarking this now just to be sure it doesn't change performance. It shouldn't. |
This was referenced Jun 8, 2020
The performance doesn't change with this PR. |
not-napoleon
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Jun 15, 2020
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nik9000
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Jul 1, 2020
The `date_histogram` aggregation had an optimization where it'd rewrite `time_zones` who's offset from UTC is fixed across the entire index. This rewrite is no longer needed after elastic#56371 because we can tell that a time zone is fixed lower down in the aggregation. So this removes it.
nik9000
added a commit
that referenced
this pull request
Jul 1, 2020
The `date_histogram` aggregation had an optimization where it'd rewrite `time_zones` who's offset from UTC is fixed across the entire index. This rewrite is no longer needed after #56371 because we can tell that a time zone is fixed lower down in the aggregation. So this removes it.
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Thanks for the review @not-napoleon! These were hard-fought negative lines, that is for sure! |
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The
date_histogramaggregation had an optimization where it'd rewritetime_zoneswho's offset from UTC is fixed across the entire index.This rewrite is no longer needed after #56371 because we can tell that a
time zone is fixed lower down in the aggregation. So this removes it.