stevenzwu commented on code in PR #6222:
URL: https://github.com/apache/iceberg/pull/6222#discussion_r1042792168
##########
flink/v1.16/flink/src/main/java/org/apache/iceberg/flink/FlinkSchemaUtil.java:
##########
@@ -104,11 +105,38 @@ public static Schema convert(Schema baseSchema,
TableSchema flinkSchema) {
Types.StructType struct = convert(flinkSchema).asStruct();
// reassign ids to match the base schema
Schema schema = TypeUtil.reassignIds(new Schema(struct.fields()),
baseSchema);
+ // reassign doc to match the base schema
+ schema = reassignDoc(schema, baseSchema);
+
// fix types that can't be represented in Flink (UUID)
Schema fixedSchema = FlinkFixupTypes.fixup(schema, baseSchema);
return freshIdentifierFieldIds(fixedSchema, flinkSchema);
}
+ private static Schema reassignDoc(Schema schema, Schema docSourceSchema) {
+ TypeUtil.CustomOrderSchemaVisitor<Type> visitor = new
FlinkFixupDoc(docSourceSchema);
+ return new Schema(
+ visitor
+ .schema(schema, new VisitFuture<>(schema.asStruct(), visitor))
+ .asStructType()
+ .fields());
+ }
+
+ private static class VisitFuture<T> implements Supplier<T> {
Review Comment:
not sure if we need to copy this class here. can it just be a lambda
function for supplier?
```
() -> TypeUtil.visit(type, visitor)
```
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