healchow commented on code in PR #7347:
URL: https://github.com/apache/inlong/pull/7347#discussion_r1102213489
##########
inlong-sort/sort-common/src/main/java/org/apache/inlong/sort/protocol/node/extract/RedisExtractNode.java:
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@@ -431,4 +434,14 @@ public Map<String, String> tableOptions() {
public String genTableName() {
return String.format("table_%s", getId());
}
+
+ @Override
+ public boolean isVirtual(MetaField metaField) {
+ return false;
+ }
+
+ @Override
+ public Set<MetaField> supportedMetaFields() {
+ return null;
Review Comment:
Will returning a null result in an error? Do we need to return an empty set?
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