JingsongLi commented on a change in pull request #10039: [FLINK-14262][table]  
Support referencing function with fully/partially qualified names in SQL
URL: https://github.com/apache/flink/pull/10039#discussion_r342899071
 
 

 ##########
 File path: 
flink-table/flink-table-planner-blink/src/main/java/org/apache/flink/table/planner/catalog/FunctionCatalogOperatorTable.java
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 @@ -74,7 +84,7 @@ public void lookupOperatorOverloads(
                        SqlSyntax syntax,
                        List<SqlOperator> operatorList,
                        SqlNameMatcher nameMatcher) {
-               if (!opName.isSimple()) {
+               if (opName.isStar()) {
 
 Review comment:
   We don't know how much SqlSyntax...
   If we pass on something we shouldn't, we can return to none. No problem.
   But we didn't pass on what we should, which will lead to bugs.
   So I think we can keep now.

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