walterddr commented on a change in pull request #8234: [FLINK-12288] 
[table-planner-blink] Bump Calcite dependency to 1.19.0 in blink planner
URL: https://github.com/apache/flink/pull/8234#discussion_r277912372
 
 

 ##########
 File path: 
flink-table/flink-table-planner-blink/src/test/resources/org/apache/flink/table/plan/batch/sql/CalcTest.xml
 ##########
 @@ -85,7 +85,7 @@ LogicalProject(a=[$0], b=[$1], c=[$2], d=[$3])
     </Resource>
     <Resource name="planAfter">
       <![CDATA[
-Calc(select=[a, CAST(1984-07-12) AS b, CAST(14:34:24) AS c, CAST(1984-07-12 
14:34:24) AS d], where=[AND(=(b, 1984-07-12), =(c, 14:34:24), =(d, 1984-07-12 
14:34:24))])
+Calc(select=[a, CAST(1984-07-12) AS b, CAST(14:34:24) AS c, CAST(1984-07-12 
14:34:24:TIMESTAMP(3)) AS d], where=[AND(=(b, 1984-07-12), =(c, 14:34:24), =(d, 
1984-07-12 14:34:24:TIMESTAMP(3)))])
 
 Review comment:
   I observe something weird upon comparing calcite 1.16/17/18/19 on this (not 
yet on 19) seems like the timestamp type representation is bouncing here and 
there a lot. do you think this is solely just the serialization (print string) 
changes or actually there's some changes to the underlying type? as this might 
be problematic. 

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