[GitHub] [calcite] danny0405 commented on a change in pull request #1120: [CALCITE-2933] Add timestamp extract for casts from timestamp type to…

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danny0405 commented on a change in pull request #1120: [CALCITE-2933] Add timestamp extract for casts from timestamp type to…
URL: https://github.com/apache/calcite/pull/1120#discussion_r267800204
 
 

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 File path: druid/src/main/java/org/apache/calcite/adapter/druid/DruidQuery.java
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 @@ -241,6 +241,14 @@ public static DruidQuery extendQuery(DruidQuery query,
         query.druidTable, intervals, query.rels, query.getOperatorConversionMap());
   }
 
+  /** Check if it is needed to use UTC for DATE and TIMESTAMP types. **/
+  private static boolean needUTCTimeExtract(RexNode rexNode) {
+    return rexNode.getType().getSqlTypeName() == SqlTypeName.DATE
+        || rexNode.getType().getSqlTypeName() == SqlTypeName.TIMESTAMP
+        || rexNode.getType().getSqlTypeName()
+        == SqlTypeName.TIMESTAMP_WITH_LOCAL_TIME_ZONE;
 
 Review comment:
   renamed, thx for the review, Julian

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