xabriel commented on a change in pull request #123: Add support for struct
field based filtering
URL: https://github.com/apache/incubator-iceberg/pull/123#discussion_r264349713
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File path:
api/src/main/java/com/netflix/iceberg/expressions/BoundReference.java
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@@ -32,19 +32,41 @@
BoundReference(Types.StructType struct, int fieldId) {
this.fieldId = fieldId;
- this.pos = find(fieldId, struct);
- this.type = struct.fields().get(pos).type();
+ this.pos = findTopFieldPos(fieldId, struct);
Review comment:
What does it mean to have a `pos = -1`?
I ask because although this field is `private`, we do expose it via `pos()`
and `toString()` methods, so we may need to populate this field with the actual
position of the matched inner struct.
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