haizhou-zhao commented on a change in pull request #4120:
URL: https://github.com/apache/iceberg/pull/4120#discussion_r806350186
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File path: core/src/main/java/org/apache/iceberg/avro/AvroSchemaUtil.java
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@@ -90,6 +90,23 @@ static boolean hasIds(Schema schema) {
return AvroCustomOrderSchemaVisitor.visit(schema, new HasIds());
}
+ /**
+ * @param schema an Avro Schema
+ * @return true/false based on whether any of the nodes in the provided
schema is missing an
+ * ID property recognizable by Iceberg core API. To have an ID recognizable
by Iceberg core API:
+ * <ul>
+ * <li>a field node under struct (record) schema should have {@link
FIELD_ID_PROP} property
+ * <li>an element node under list (array) schema should have {@link
ELEMENT_ID_PROP} property
+ * <li>a pair of key and value node under map schema should have {@link
KEY_ID_PROP} and
+ * {@link VALUE_ID_PROP} respectively
+ * <li>a primitive node is not assigned any ID related properties
+ * </ul>
+ * @implNote see {@link MissingIds} for more details
Review comment:
Make sense, removed.
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