viirya commented on PR #53276:
URL: https://github.com/apache/spark/pull/53276#issuecomment-3614228196
> Pass each `variant_get` expression as separate `VariantExtraction` so that
connectors can check each field easily.
> interface VariantExtraction {
String[] columnName; // variant column name
String path; // extraction path from variant_get and try_variant_get
DataType expectedDataType; // expected data type
}
Currently `VariantAccessInfo` represents an access to a variant column. So
it has a member `String columnName`. What does a `VariantExtraction` represent
for?
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