Tomer Shiran created DRILL-1658:
-----------------------------------
Summary: Queries fail when an unrelated storage plugin is not
available
Key: DRILL-1658
URL: https://issues.apache.org/jira/browse/DRILL-1658
Project: Apache Drill
Issue Type: Bug
Reporter: Tomer Shiran
Drill should be able to work when one of the data sources is not available. I
queried the DFS while MongoDB was down and the query did not run (nothing in
the query touched MongoDB). I would also expect "show databases" to be more
informative in these scenarios (right now that command simply fails with some
generic message).
{code}
0: jdbc:drill:zk=local> select * from dfs.mydata.`yelp/user.json` limit 1;
+---------------+------------+--------------+------------+------------+------------+---------------+------------+-------------+------------+------------+
| yelping_since | votes | review_count | name | user_id | fans
| average_stars | type | compliments | friends | elite |
+---------------+------------+--------------+------------+------------+------------+---------------+------------+-------------+------------+------------+
| 2012-02 | {"funny":1,"useful":5,"cool":0} | 6 | Lee |
qtrmBGNqCvupHMHL_bKFgQ | 0 | 3.83 | user | {}
| [] | [] |
+---------------+------------+--------------+------------+------------+------------+---------------+------------+-------------+------------+------------+
1 row selected (0.184 seconds)
************** HERE I ENABLED THE "mongo" STORAGE PLUGIN - NOTE THAT MONGODB IS
NOT RUNNING **************
0: jdbc:drill:zk=local> select * from dfs.mydata.`yelp/user.json` limit 1;
Query failed: Failure while parsing sql. Timed out while waiting to connect
after 753 ms [76ca7a65-d9a2-43ac-a7a5-a58f61876ef6]
Error: exception while executing query: Failure while trying to get next result
batch. (state=,code=0)
{code}
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