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https://issues.apache.org/jira/browse/DRILL-1657?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hanifi Gunes resolved DRILL-1657.
---------------------------------
Resolution: Cannot Reproduce
Please re-open providing steps to reprod as well as links to dataset if
possible.
> Null schema error
> -----------------
>
> Key: DRILL-1657
> URL: https://issues.apache.org/jira/browse/DRILL-1657
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Relational Operators
> Reporter: Tomer Shiran
> Assignee: Hanifi Gunes
> Fix For: 0.9.0
>
>
> {code}
> 0: jdbc:drill:zk=local> select * from dfs.mydata.`yelp/user.json` u 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 (0.063 seconds)
> 0: jdbc:drill:zk=local> select * from dfs.mydata.`yelp/review.json` u limit 1;
> +------------+------------+------------+------------+------------+------------+------------+-------------+
> | votes | user_id | review_id | stars | date | text
> | type | business_id |
> +------------+------------+------------+------------+------------+------------+------------+-------------+
> | {"funny":0,"useful":2,"cool":1} | Xqd0DzHaiyRqVH3WRG7hzg |
> 15SdjuK7DmYqUAj6rjGowg | 5 | 2007-05-17 | dr. goldberg offers
> everything i look for in a general practitioner. he's nice and easy to talk
> to without being patronizing; he's always on time in seeing his patients;
> he's affiliated with a top-notch hospital (nyu) which my parents have
> explained to me is very important in case something happens and you need
> surgery; and you can get referrals to see specialists without having to see
> him first. really, what more do you need? i'm sitting here trying to think
> of any complaints i have about him, but i'm really drawing a blank. | review
> | vcNAWiLM4dR7D2nwwJ7nCA |
> +------------+------------+------------+------------+------------+------------+------------+-------------+
> 1 row selected (0.05 seconds)
> 0: jdbc:drill:zk=local> select * from dfs.mydata.`yelp/review.json` r,
> dfs.mydata.`yelp/user.json` u where r.user_id = u.user_id;
> Query failed: Failure while running fragment. Schema is currently null. You
> must call buildSchema(SelectionVectorMode) before this container can return a
> schema. [f7e655d6-b25b-4e11-aad2-f0ce1a8c7ca3]
> Error: exception while executing query: Failure while trying to get next
> result batch. (state=,code=0)
> 0: jdbc:drill:zk=local>
> {code}
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