amaliujia commented on a change in pull request #11895:
URL: https://github.com/apache/beam/pull/11895#discussion_r434095216
##########
File path:
sdks/java/extensions/sql/zetasql/src/main/java/org/apache/beam/sdk/extensions/sql/zetasql/SqlOperators.java
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@@ -72,6 +82,23 @@ public static SqlFunction createSimpleSqlFunction(String
name, SqlTypeName retur
SqlFunctionCategory.USER_DEFINED_FUNCTION);
}
+ public static SqlUserDefinedAggFunction createUdafOperator(
+ String name,
+ SqlReturnTypeInference returnTypeInference,
+ AggregateFunction function) {
+ return new SqlUserDefinedAggFunction(
Review comment:
Nice. By doing so it becomes a extensible way to define other AGG
functions that Calcite does not have.
Glad you figured it out.
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