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https://issues.apache.org/jira/browse/DRILL-3202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16448752#comment-16448752
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Scott Wilburn commented on DRILL-3202:
--------------------------------------
Is there any workaround for this issue? It's hard to believe that I can't count
objects in a json file using Drill.
> Count(*) fails on JSON wrapped up in single array - JSON parsing error
> ----------------------------------------------------------------------
>
> Key: DRILL-3202
> URL: https://issues.apache.org/jira/browse/DRILL-3202
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - JSON
> Affects Versions: 1.0.0
> Reporter: Neeraja
> Assignee: Steven Phillips
> Priority: Major
> Fix For: Future
>
> Attachments: DRILL-3202.patch
>
>
> I have a JSON document as follows.
> [
> {
> "Category": "1,2",
> "Comments": "Total sites: 20, RV sites: 20, Elec sites: 20, Water at
> site, RV Dump, Showers, Flush Toilets, RV Fee: $14, Tent Fee: $14, Elev:
> 545', Tel: 256-577-9619, Nearest town: Muscle Shoals",
> "Latitude": "34.800446",
> "Longitude": "-87.498242",
> "Name": "Alloys Co Park",
> "State": "AL",
> "Type": "cp",
> "URL":
> "http://www.campingroadtrip.com/campgrounds/campground/campground/23478/alabama/colbert-county-alloys-park-campground";
> }
> ]
> Drill has ability to unwrap the array (without user specifying it) and
> perform some SQL operations on it. However count(*) specifically fails on
> these documents.
> 0: jdbc:drill:zk=local> select * from
> dfs.`default`.`/Users/nrentachintala/Downloads/yelp/uspointsofinterestshort.json`
> limit 10;
> +-----------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------+------------+-------+--------+-------+------+
> | Category |
> Comments
> | Latitude | Longitude | Name |
> State | Type | URL |
> +-----------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------+------------+-------+--------+-------+------+
> | 1,2 | Total sites: 20, RV sites: 20, Elec sites: 20, Water at site, RV
> Dump, Showers, Flush Toilets, RV Fee: $14, Tent Fee: $14, Elev: 545', Tel:
> 256-577-9619, Nearest town: Muscle Shoals | 34.800446 | -87.498242 | Alloys
> Co Park | AL | cp |
> http://www.campingroadtrip.com/campgrounds/campground/campground/23478/alabama/colbert-county-alloys-park-campground
> |
> +-----------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------+------------+-------+--------+-------+------+
> 1 row selected (0.197 seconds)
> 0: jdbc:drill:zk=local> select distinct type from
> dfs.`default`.`/Users/nrentachintala/Downloads/yelp/uspointsofinterestshort.json`
> limit 10;
> +-------+
> | type |
> +-------+
> | cp |
> +-------+
> 1 row selected (0.193 seconds)
> 0: jdbc:drill:zk=local>
> 0: jdbc:drill:zk=local> select count(*) from
> dfs.`default`.`/Users/nrentachintala/Downloads/yelp/uspointsofinterestshort.json`
> limit 10;
> Error: DATA_READ ERROR: Error parsing JSON - Cannot read from the middle of a
> record. Current token was START_ARRAY
> File /Users/nrentachintala/Downloads/yelp/uspointsofinterestshort.json
> Record 1
> Fragment 0:0
> [Error Id: 4742f738-1d43-4fef-af48-110065c9dd83 on 172.16.1.82:31010]
> (state=,code=0)
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