[jira] [Created] (SENTRY-2439) "is not match table meta grammar error" with sentry-1.7

["Shishr Prakash (JIRA)" <ji...@apache.org>]

Shishr Prakash created SENTRY-2439:
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             Summary: "is not match table meta grammar error" with sentry-1.7 
                 Key: SENTRY-2439
                 URL: https://issues.apache.org/jira/browse/SENTRY-2439
             Project: Sentry
          Issue Type: Bug
          Components: Sentry
    Affects Versions: 1.7.0
            Reporter: Shishr Prakash


[What happened]


After enabling sentry I am getting below error with DDLs like DROP table . similar to sentry bug-1845.

[1] https://issues.apache.org/jira/browse/SENTRY-1845

====Error ===

2 rows selected (0.171 seconds)
0: jdbc:hive2://maprtest03:10000> DROP TABLE project_dev_out_hive;
Error: Error while compiling statement: FAILED: HiveAuthzPluginException class org.apache.hadoop.hive.ql.security.authorization.plugin.HiveAuthzPluginException: this command DROP TABLE project_dev_out_hive is not match table meta grammar (state=42000,code=40000)

======


It is not the same issue, but a similar issue for DROP TABLE command. The Sentry regex pattern for DROP TABLE command does not seem to be supporting backtick.

String DROP_TABLE_REGEX = "^DROP\s+" + "TABLE\s+" + "(IF\s+EXISTS\s+)?" + "([A-Za-z0-9._]+)";

Looks like it is not fixed in the latest version as well (the same pattern is used in the master branch as well). Hive seems to be supporting this syntax.

## Steps to Reproduce

Try dropping hive table with backticks as below
DROP TABLE `project_dev_out_hive`;

### What you expected to happen
Sentry should understand backticks and it should work for every command.

 



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