twalthr commented on a change in pull request #11280: [FLINK-16377][table]
Support inline user defined functions in expression dsl
URL: https://github.com/apache/flink/pull/11280#discussion_r397238739
##########
File path:
flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/expressions/ApiExpressionUtils.java
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@@ -198,4 +204,48 @@ public static boolean isFunction(Expression expression,
BuiltInFunctionDefinitio
}
return false;
}
+
+ /**
+ * Extracts a {@link FunctionIdentifier} for the given {@link
CallExpression}. If the call is an inline funcion
+ * ({@link CallExpression#getFunctionIdentifier()} returns empty)
Review comment:
Something is wrong with this JavaDoc. Can you verify all parenthesis?
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