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sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/util/SentryAuthorizerUtil.java
Lines 228-229 (patched)
<https://reviews.apache.org/r/65642/#comment278067>

    In the past when converting units and storing them in variables, I have 
used variable names like "hiveCreateTimeMillis", which is self-documenting 
code, essentially eliminating the need for this comment. Just a nitpick though


- Liam Sargent


On Feb. 17, 2018, 12:30 a.m., Na Li wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/65642/
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> 
> (Updated Feb. 17, 2018, 12:30 a.m.)
> 
> 
> Review request for sentry, Arjun Mishra, kalyan kumar kalvagadda, and Sergio 
> Pena.
> 
> 
> Repository: sentry
> 
> 
> Description
> -------
> 
> sentry CreateTime is the difference, measured in milliseconds, between the 
> current time and midnight, January 1, 1970 UTC. hive granttime is in seconds. 
> So need to convert the time.
> 
> The original code just cost the timestamp from long to int without converting 
> milliseconds to seconds. Therefore, the timestamp value is wrong when 
> retrieving the privilege from hive.
> 
> The solution is to convert the time correctly.
> 
> 
> Diffs
> -----
> 
>   
> sentry-binding/sentry-binding-hive/src/main/java/org/apache/sentry/binding/util/SentryAuthorizerUtil.java
>  b536283 
> 
> 
> Diff: https://reviews.apache.org/r/65642/diff/2/
> 
> 
> Testing
> -------
> 
> tested manually by stepping into code. I cannot test it in unit test because 
> Hive returns timestamp as -1L for test mode
> 
>   DDLTask.writeGrantInfo
>     static String writeGrantInfo(List<HivePrivilegeInfo> privileges, boolean 
> testMode) {
>     if (privileges != null && !privileges.isEmpty()) {
>       StringBuilder builder = new StringBuilder();
>       Collections.sort(privileges, new Comparator<HivePrivilegeInfo>() {
>         public int compare(HivePrivilegeInfo o1, HivePrivilegeInfo o2) {
>           int compare = o1.getObject().compareTo(o2.getObject());
>           if (compare == 0) {
>             compare = o1.getPrincipal().compareTo(o2.getPrincipal());
>           }
> 
>           if (compare == 0) {
>             compare = o1.getPrivilege().compareTo(o2.getPrivilege());
>           }
> 
>           return compare;
>         }
>       });
>       Iterator var3 = privileges.iterator();
> 
>       while(var3.hasNext()) {
>         HivePrivilegeInfo privilege = (HivePrivilegeInfo)var3.next();
>         HivePrincipal principal = privilege.getPrincipal();
>         HivePrivilegeObject resource = privilege.getObject();
>         HivePrincipal grantor = privilege.getGrantorPrincipal();
>         appendNonNull(builder, resource.getDbname(), true);
>         appendNonNull(builder, resource.getObjectName());
>         appendNonNull(builder, resource.getPartKeys());
>         appendNonNull(builder, resource.getColumns());
>         appendNonNull(builder, principal.getName());
>         appendNonNull(builder, principal.getType());
>         appendNonNull(builder, privilege.getPrivilege().getName());
>         appendNonNull(builder, privilege.isGrantOption());
>         appendNonNull(builder, testMode ? -1L : 
> (long)privilege.getGrantTime() * 1000L);         <-- in test mode, does not 
> return real timestamp
>         appendNonNull(builder, grantor.getName());
>       }
> 
>       return builder.toString();
>     } else {
>       return "";
>     }
>   }
> 
> 
> Thanks,
> 
> Na Li
> 
>

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