Guosmilesmile commented on code in PR #15776:
URL: https://github.com/apache/iceberg/pull/15776#discussion_r3180932578
##########
orc/src/main/java/org/apache/iceberg/orc/OrcValueReaders.java:
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@@ -163,6 +177,121 @@ protected StructReader(
}
}
+ protected StructReader(
+ TypeDescription orcType,
+ List<OrcValueReader<?>> readers,
+ Types.StructType struct,
+ Map<Integer, ?> idToConstant) {
+ List<Types.NestedField> fields = struct.fields();
+ this.readers = new OrcValueReader[fields.size()];
+ this.isConstantOrMetadataField = new boolean[fields.size()];
+ this.fieldVectorIndex = new int[fields.size()];
+
+ Map<Integer, OrcValueReader<?>> readersById = readersByFieldId(orcType,
readers);
+ Map<Integer, Integer> fieldIdToVectorIndex =
buildFieldIdToVectorIndex(orcType);
+
+ for (int pos = 0; pos < fields.size(); pos += 1) {
+ Types.NestedField field = fields.get(pos);
+ OrcValueReader<?> fileReader = readersById.get(field.fieldId());
+
+ if (field.equals(MetadataColumns.ROW_ID)) {
+ handleRowIdField(pos, field, fileReader, idToConstant,
fieldIdToVectorIndex);
Review Comment:
Rename fieldIdToVectorIndex to fieldIdToDataIndex, then pushdown dataIndex
into method.
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