Improve block loader for source only runtime fields of type double. #134629
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By using the FallbackSyntheticSourceBlockLoader instead of generic DoubleScriptBlockLoader. Relates to elastic#134121
martijnvg
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>enhancement
:StorageEngine/Mapping
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Pinging @elastic/es-storage-engine (Team:StorageEngine) |
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Hi @martijnvg, I've created a changelog YAML for you. |
romseygeek
reviewed
Sep 12, 2025
| public BlockLoader blockLoader(BlockLoaderContext blContext) { | ||
| return new DoubleScriptBlockDocValuesReader.DoubleScriptBlockLoader(leafFactory(blContext.lookup())); | ||
| var indexSettings = blContext.indexSettings(); | ||
| if (isParsedFromSource && indexSettings.getIndexMappingSourceMode() == SourceFieldMapper.Mode.SYNTHETIC |
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This is how spotless formatted it :) I fixed the indentation, but since I copied from long script field type, I generalized the logic, it should be reusable for other runtime field types as well.
| // In that case there is no ignored source entry, and so we need to fail back to LongScriptBlockLoader. | ||
| // We could optimize this, but at this stage feels like a rare scenario. | ||
| && blContext.lookup().onlyMappedAsRuntimeField(name())) { | ||
| var reader = new NumberType.NumberFallbackSyntheticSourceReader(NumberType.DOUBLE, null, true) { |
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Do we have a test for this code path?
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Yes, this is tested in the testBlockLoaderSourceOnlyRuntimeFieldWithSyntheticSource() test, which is also included in this change.
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Note that this change should yield similar improvement as: #134117 (comment) |
…double_runtime_field
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…lastic#134629) By using the FallbackSyntheticSourceBlockLoader instead of generic DoubleScriptBlockLoader. Relates to elastic#134121
gmjehovich
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Sep 18, 2025
…lastic#134629) By using the FallbackSyntheticSourceBlockLoader instead of generic DoubleScriptBlockLoader. Relates to elastic#134121
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By using the FallbackSyntheticSourceBlockLoader instead of generic DoubleScriptBlockLoader.
Relates to #134121