001package gudusoft.gsqlparser.common.structured; 002 003public enum StructuredExpansionKind { 004 /** Array elements expanded to rows, e.g. Spark explode/UNNEST. */ 005 ARRAY_ELEMENT, 006 /** Map entries expanded to (key, value) rows. */ 007 MAP_ENTRY, 008 /** Record set expanded to typed rows, e.g. JSON_TABLE / OPENJSON. */ 009 RECORD_SET 010}