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[Backport 2.x] Disable sort optimization for HALF_FLOAT #11004

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Oct 31, 2023
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[Backport 2.x] Disable sort optimization for HALF_FLOAT #11004

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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
- Add telemetry tracer/metric enable flag and integ test. ([#10395](https://github.com/opensearch-project/OpenSearch/pull/10395))
- Performance improvement for Datetime field caching ([#4558](https://github.com/opensearch-project/OpenSearch/issues/4558))
- Add instrumentation for indexing in transport bulk action and transport shard bulk action. ([#10273](https://github.com/opensearch-project/OpenSearch/pull/10273))
- [BUG] Disable sort optimization for HALF_FLOAT ([#10999](https://github.com/opensearch-project/OpenSearch/pull/10999))

### Deprecated

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2 changes: 1 addition & 1 deletion server/src/main/java/org/opensearch/index/fielddata/IndexNumericFieldData.java
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Expand Up @@ -242,7 +242,7 @@ private XFieldComparatorSource comparatorSource(
assert !targetNumericType.isFloatingPoint();
source = new IntValuesComparatorSource(this, missingValue, sortMode, nested);
}
if (targetNumericType != getNumericType()) {
if (targetNumericType != getNumericType() || getNumericType() == NumericType.HALF_FLOAT) {
source.disableSkipping(); // disable skipping logic for cast of sort field
}
return source;
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