rdblue commented on code in PR #12304:
URL: https://github.com/apache/iceberg/pull/12304#discussion_r1964228087
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api/src/main/java/org/apache/iceberg/variants/Variant.java:
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@@ -25,4 +25,24 @@ public interface Variant {
/** Returns the variant value. */
VariantValue value();
+
+ /**
+ * Query the value with a given path.
+ *
+ * <p>The path format is a subset of JSON path that supports:
+ *
+ * <ul>
+ * <li><code>$</code> the root value
+ * <li><code>.name</code> accesses a field by name
+ * </ul>
+ *
+ * <p>If the query result is a list, the value is a variant array of results.
Review Comment:
Array is called out because some JSON path queries produce a list of
results. In that case, it is necessary to wrap the results in a variant array
to return them.
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