rdsr commented on a change in pull request #1208:
URL: https://github.com/apache/iceberg/pull/1208#discussion_r460356094
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File path: orc/src/main/java/org/apache/iceberg/orc/OrcIterable.java
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@@ -51,14 +54,16 @@
private final boolean caseSensitive;
private final Function<TypeDescription, OrcBatchReader<?>>
batchReaderFunction;
private final int recordsPerBatch;
+ private final NameMapping nameMapping;
OrcIterable(InputFile file, Configuration config, Schema schema,
- Long start, Long length,
+ NameMapping nameMapping, Long start, Long length,
Function<TypeDescription, OrcRowReader<?>> readerFunction,
boolean caseSensitive, Expression filter,
Function<TypeDescription, OrcBatchReader<?>>
batchReaderFunction, int recordsPerBatch) {
this.schema = schema;
this.readerFunction = readerFunction;
this.file = file;
+ this.nameMapping =
Optional.ofNullable(nameMapping).orElse(MappingUtil.create(schema));
Review comment:
Should we also check if the file schema does not have ids before
initializing nameMapping?
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