RussellSpitzer commented on code in PR #14040:
URL: https://github.com/apache/iceberg/pull/14040#discussion_r2373096694
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parquet/src/main/java/org/apache/iceberg/data/parquet/BaseParquetReaders.java:
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@@ -75,8 +78,26 @@ protected ParquetValueReader<T> createReader(
}
}
- protected abstract ParquetValueReader<T> createStructReader(
- List<ParquetValueReader<?>> fieldReaders, Types.StructType structType);
+ /**
+ * This method can be overridden to provide a custom implementation which
also uses the fieldId of
+ * the Schema when creating the struct reader
+ */
+ protected ParquetValueReader<T> createStructReader(
+ List<ParquetValueReader<?>> fieldReaders, Types.StructType structType,
Integer fieldId) {
+ // Fallback to the signature without fieldId if not overridden
+ return createStructReader(fieldReaders, structType);
Review Comment:
@nastra ^ See here (this is what keeps subclasses written by outside users
from breaking)
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