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https://issues.apache.org/jira/browse/HIVE-24810?focusedWorklogId=601187&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-601187
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ASF GitHub Bot logged work on HIVE-24810:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 24/May/21 13:28
            Start Date: 24/May/21 13:28
    Worklog Time Spent: 10m 
      Work Description: pgaref commented on a change in pull request #2002:
URL: https://github.com/apache/hive/pull/2002#discussion_r637943868



##########
File path: 
ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/TruncDateFromTimestamp.java
##########
@@ -147,18 +148,29 @@ protected void truncDate(ColumnVector inV, 
BytesColumnVector outV, int i) {
   }
 
   protected void processDate(BytesColumnVector outV, int i, Date date) {
-    if ("MONTH".equals(fmt) || "MON".equals(fmt) || "MM".equals(fmt)) {
+    switch (fmt) {
+    case "YEAR":
+    case "YYYY":
+    case "YY":
+      date.setMonth(1);

Review comment:
       Hey @belugabehr  -- it was actually the fall through that confused me, I 
see what you are doing now
   In the original code it was part of an else if statement taking care of both.
   




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 601187)
    Time Spent: 1h 40m  (was: 1.5h)

> Use JDK 8 String Switch in TruncDateFromTimestamp
> -------------------------------------------------
>
>                 Key: HIVE-24810
>                 URL: https://issues.apache.org/jira/browse/HIVE-24810
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: David Mollitor
>            Assignee: David Mollitor
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>




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