[GitHub] [incubator-doris] morningman commented on a change in pull request #4187: [TimeZone]Set UTC to defult timezone

[GitBox <gi...@apache.org>]

morningman commented on a change in pull request #4187:
URL: https://github.com/apache/incubator-doris/pull/4187#discussion_r460519840



##########
File path: fe/fe-core/src/main/java/org/apache/doris/common/util/TimeUtils.java
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@@ -256,7 +256,7 @@ public static String checkTimeZoneValidAndStandardize(String value) throws DdlEx
             Matcher matcher = TIMEZONE_OFFSET_FORMAT_REG.matcher(value);
             // it supports offset and region timezone type, "CST" use here is compatibility purposes.
             boolean match = matcher.matches();
-            if (!value.contains("/") && !value.equals("CST") && !match) {
+            if (!value.contains("/") && !value.equals("CST") && !value.equals("UTC") && !match) {

Review comment:
       With more and more time zone added, I think it is better to refactor this judgment to make it easy to maintain.

##########
File path: fe/fe-core/src/main/java/org/apache/doris/common/util/TimeUtils.java
##########
@@ -55,7 +55,7 @@
 
     // set CST to +08:00 instead of America/Chicago
     public static final ImmutableMap<String, String> timeZoneAliasMap = ImmutableMap.of(
-            "CST", DEFAULT_TIME_ZONE, "PRC", DEFAULT_TIME_ZONE);
+            "CST", DEFAULT_TIME_ZONE, "PRC", DEFAULT_TIME_ZONE, "UTC", DEFAULT_TIME_ZONE);

Review comment:
       I think `DEFAULT_TIME_ZONE` means `UTC+8` ? Not equals to `UTC`?




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