the-other-tim-brown commented on code in PR #14311:
URL: https://github.com/apache/hudi/pull/14311#discussion_r2581739933
##########
hudi-common/src/main/java/org/apache/hudi/common/schema/HoodieSchemaUtils.java:
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@@ -221,4 +222,64 @@ public static HoodieSchemaField
createNewSchemaField(String name, HoodieSchema s
name, schema.toAvroSchema(), doc, defaultValue);
return HoodieSchemaField.fromAvroField(avroField);
}
+
+ /**
+ * Gets a field (including nested fields) from the schema using dot notation.
+ * This is equivalent to HoodieAvroUtils.getSchemaForField() but operates on
HoodieSchema.
+ * <p>
+ * Supports nested field access using dot notation. For example:
+ * <ul>
+ * <li>"name" - retrieves top-level field</li>
+ * <li>"user.profile.displayName" - retrieves nested field</li>
+ * </ul>
+ *
+ * @param schema the schema to search in
+ * @param fieldName the field name (may contain dots for nested fields)
+ * @return Pair of canonical field name and the HoodieSchemaField, or null
if field not found
+ * @throws IllegalArgumentException if schema or fieldName is null/empty
+ */
+ public static Pair<String, HoodieSchemaField> getNestedField(HoodieSchema
schema, String fieldName) {
Review Comment:
Is there unit testing for this?
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