snuyanzin commented on code in PR #28163:
URL: https://github.com/apache/flink/pull/28163#discussion_r3252829712
##########
flink-table/flink-sql-parser/src/main/java/org/apache/flink/sql/parser/SqlParseUtils.java:
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@@ -101,16 +101,16 @@ public static Map<String, String> extractMap(@Nullable
SqlNodeList propList) {
return result;
}
- public static List<String> extractList(
- @Nullable SqlNodeList sqlNodeList, Function<SqlNode, String>
mapper) {
+ public static <T> List<T> extractList(
Review Comment:
why do we need it?
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