lihaosky commented on code in PR #26924:
URL: https://github.com/apache/flink/pull/26924#discussion_r2310485523
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flink-table/flink-table-common/src/main/java/org/apache/flink/table/types/inference/SystemTypeInference.java:
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@@ -147,7 +159,9 @@ private static void
checkScalarArgsOnly(List<StaticArgument> defaultArgs) {
checkPassThroughColumns(declaredArgs);
final List<StaticArgument> newStaticArgs = new
ArrayList<>(declaredArgs);
- newStaticArgs.addAll(PROCESS_TABLE_FUNCTION_SYSTEM_ARGS);
Review Comment:
This is to control whether `uid`, `ontime` field will be added to ptf input.
This is currently used by `ml_predict` because it doesn't need `uid` and
`ontime` field. It's not exposed to PTF function user can define. Yes. I can
add more description if this approach makes sense.
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