HangyuanLiu commented on a change in pull request #4187:
URL: https://github.com/apache/incubator-doris/pull/4187#discussion_r461542445
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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:
Yes. the time zone represented by this time zone abbreviation may be
uncertain.
Another reason is the timezone string may transfer to be, the library of
timezone in be may not support short time zone.
So may be you should test UTC can run correctly in be time function ,such as
from_unixtime
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