[GitHub] [flink] leonardBang commented on a change in pull request #15280: [FLINK-21714][table-api] Use TIMESTAMP_LTZ as return type for function PROCTIME()

[GitBox]

leonardBang commented on a change in pull request #15280:
URL: https://github.com/apache/flink/pull/15280#discussion_r603998990



##########
File path: 
flink-table/flink-table-common/src/main/java/org/apache/flink/table/types/logical/utils/LogicalTypeChecks.java
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@@ -120,6 +120,10 @@ public static boolean isProctimeAttribute(LogicalType 
logicalType) {
         return logicalType.accept(TIMESTAMP_KIND_EXTRACTOR) == 
TimestampKind.PROCTIME;
     }
 
+    public static boolean isTimestampLtzType(LogicalType logicalType) {

Review comment:
       will be used when we support rowtime on TIMESTAMP_LTZ




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