luoyuxia commented on code in PR #22620:
URL: https://github.com/apache/flink/pull/22620#discussion_r1236467570
##########
flink-connectors/flink-connector-hive/src/main/java/org/apache/flink/table/planner/delegation/hive/HiveParserUtils.java:
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@@ -641,6 +644,62 @@ public static GenericUDAFEvaluator getGenericUDAFEvaluator(
return result;
}
+ public static boolean isBridgingSqlFunction(SqlOperator sqlOperator) {
+ if (sqlOperator != null) {
+ Class<?> clazz =
HiveReflectionUtils.tryGetClass(BRIDGING_SQL_FUNCTION_CLZ_NAME);
+ if (clazz == null) {
+ throw new FlinkHiveException(
+ String.format(
+ "Fail to get class %s for the class can't be
found.",
+ BRIDGING_SQL_FUNCTION_CLZ_NAME));
+ }
+ return clazz.isInstance(sqlOperator);
+ }
+ return false;
+ }
+
+ private static boolean isBridgingSqlAggFunction(SqlOperator sqlOperator) {
+ if (sqlOperator != null) {
+ Class<?> clazz =
HiveReflectionUtils.tryGetClass(bridgingSqlAggFunctionClzName);
+ if (clazz == null) {
+ throw new FlinkHiveException(
+ String.format(
+ "Fail to get class %s for the class can't be
found",
+ bridgingSqlAggFunctionClzName));
+ }
+ return clazz.isInstance(sqlOperator);
+ }
+ return false;
+ }
+
+ private static FunctionDefinition
getBridgingSqlFunctionDefinition(SqlOperator sqlOperator) {
Review Comment:
Good suggestion.
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