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Add Iceberg support for name-based mapping schema #33315

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@regadas regadas commented Dec 6, 2024

Fixes #33314


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@regadas regadas force-pushed the fix_ice_namemapping branch from f5a0764 to 2b4ff68 Compare December 9, 2024 10:55
@regadas regadas marked this pull request as ready for review December 9, 2024 10:58
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regadas commented Dec 9, 2024

assign set of reviewers

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Reminder, please take a look at this pr: @Abacn @Abacn

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regadas commented Dec 19, 2024

cc @ahmedabu98; I'll rebase soon

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Thanks for adding this, it might be worth calling out in CHANGES.MD

@@ -88,6 +90,7 @@ public boolean advance() throws IOException {
// which are not null-safe.
@SuppressWarnings("nullness")
org.apache.iceberg.@NonNull Schema project = this.project;
String nameMapping = source.getTable().properties().get(TableProperties.DEFAULT_NAME_MAPPING);
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nit

Suggested change
String nameMapping = source.getTable().properties().get(TableProperties.DEFAULT_NAME_MAPPING);
@Nullable String nameMapping = source.getTable().properties().get(TableProperties.DEFAULT_NAME_MAPPING);

String path = createParquetFile(avroSchema, avroRecords);
HadoopInputFile inputFile = HadoopInputFile.fromLocation(path, hadoopConf);

NameMapping defaultMapping = NameMapping.of(MappedField.of(1, "id"), MappedField.of(2, "data"));
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can we include a nested field in this test case?

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[Bug]: IcebergIO support name-based mapping for a schema
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