dianfu commented on code in PR #29070:
URL: https://github.com/apache/flink/pull/29070#discussion_r3980533928
##########
flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/plan/QueryOperationConverter.java:
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@@ -593,6 +608,65 @@ else if (other instanceof DataStreamQueryOperation) {
throw new TableException("Unknown table operation: " + other);
}
+ private RelNode
convertWindowTableFunction(WindowTableFunctionQueryOperation windowOp) {
+ final RexBuilder rexBuilder = relBuilder.getRexBuilder();
+
+ final RelNode input = relBuilder.build();
+ final RelDataType inputRowType = input.getRowType();
+
+ final String timeColumn = windowOp.getTimeColumn();
+ final RelDataType timeAttributeType =
+ inputRowType.getField(timeColumn, false, false).getType();
+ final RelDataType outputRowType =
+ SqlWindowTableFunction.inferRowType(
+ relBuilder.getTypeFactory(), inputRowType,
timeAttributeType);
+
+ final int[] partitionIndices =
+ windowOp.getPartitionKeys().stream()
+ .mapToInt(name -> inputRowType.getField(name,
false, false).getIndex())
Review Comment:
Ditto
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