szehon-ho commented on code in PR #7029:
URL: https://github.com/apache/iceberg/pull/7029#discussion_r1127012441
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core/src/main/java/org/apache/iceberg/io/DeleteSchemaUtil.java:
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@@ -29,7 +29,7 @@ private static Schema pathPosSchema(Schema rowSchema) {
return new Schema(
MetadataColumns.DELETE_FILE_PATH,
MetadataColumns.DELETE_FILE_POS,
- Types.NestedField.required(
+ Types.NestedField.optional(
Review Comment:
This was necessary for the writer to allow writing position deletes with a
row, but still be ok when there is no row.
Currently, the writer code either uses a schema with required "row" field,
or a schema without the "row" field. The former is actually never used. So
changing to optional should have no impact
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