manikBS commented on PR #16910:
URL: https://github.com/apache/pinot/pull/16910#issuecomment-3343374486
@Jackie-Jiang
I have kept the existing scalar functions behavior intact as it could effect
the existing injestion flows. For JsonExtractScalar, the behavior (same as
JsonExtractScalarTransformFunction) is as follows:
Case: JSON object is malformed, JSON path is malformed, or JSON path does
not exist
- For single value, If default value is null -> throw error
- For single value, If default value is not provided -> throw error
- For single value, If default value is not null -> return default value
- For multi-value -> return empty array
Case: JSON object and JSON path is correct
- For single value -> return the result as is
- For multi-value -> if there are nulls. for example {1, 2, 3, null, 4}
return {1, 2, 3, defaultvalue, 4}
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