[GitHub] surekhasaharan commented on a change in pull request #6955: update sys table docs

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surekhasaharan commented on a change in pull request #6955: update sys table docs
URL: https://github.com/apache/incubator-druid/pull/6955#discussion_r252742633
 
 

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 File path: docs/content/querying/sql.md
 ##########
 @@ -649,10 +667,12 @@ check out [ingestion tasks](#../ingestion/tasks.html)
 |error_msg|Detailed error message in case of FAILED tasks|
 
 For example, to retrieve tasks information filtered by status, use the query
+
 ```sql
 SELECT * FROM sys.tasks where status='FAILED';
 ```
 
+Note that sys tables may not support all the Druid SQL Functions.
 
 Review comment:
   Some of the SQL functions which are not part of core calcite, for eg TIME_PARSE, TIME_EXTRACT etc. are not supported by sys tables. So this is a note to imply that...

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