danny0405 commented on a change in pull request #11340: [Flink 14338] Upgrade
Calcite version to 1.22 for Flink SQL
URL: https://github.com/apache/flink/pull/11340#discussion_r400024045
##########
File path:
flink-table/flink-table-planner-blink/src/main/java/org/apache/flink/table/planner/functions/sql/FlinkSqlOperatorTable.java
##########
@@ -776,7 +776,8 @@ public SqlMonotonicity getMonotonicity(SqlOperatorBinding
call) {
* We need custom group auxiliary functions in order to support nested
windows.
*/
public static final SqlGroupedWindowFunction TUMBLE = new
SqlGroupedWindowFunction(
- SqlKind.TUMBLE, null,
+ // The TUMBLE group function was hard code to $TUMBLE
in CALCITE-3382.
+ "$TUMBLE", SqlKind.TUMBLE, null,
Review comment:
Only the `TUMBLE` function changed, because it is generated from the parser
directly. We can not really control its name.
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