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Posted to issues@drill.apache.org by "Rahul Challapalli (JIRA)" <ji...@apache.org> on 2014/11/07 02:39:33 UTC
[jira] [Updated] (DRILL-1652) flatten causing the sqlline to hang
indefinitely when dealing with 0.1 GB data
[ https://issues.apache.org/jira/browse/DRILL-1652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rahul Challapalli updated DRILL-1652:
-------------------------------------
Attachment: select_star_error.log
error.log
> flatten causing the sqlline to hang indefinitely when dealing with 0.1 GB data
> ------------------------------------------------------------------------------
>
> Key: DRILL-1652
> URL: https://issues.apache.org/jira/browse/DRILL-1652
> Project: Apache Drill
> Issue Type: Bug
> Components: Functions - Drill, Storage - JSON
> Reporter: Rahul Challapalli
> Attachments: error.log, select_star_error.log
>
>
> git.commit.id.abbrev=60aa446
> I ran the below test against the private branch of Jason which has some patches for bugs related to flatten which are not yet merged into the master.
> I used the below json record and copied it over 100000 times
> {code}
> {
> "uid" : 1,
> "events" : [
> { "evnt_id":"e1", "campaign_id":"c1", "event_name":"e1_name", "event_time":1000000},
> { "evnt_id":"e2", "campaign_id":"c1", "event_name":"e2_name", "event_time":2000000},
> { "evnt_id":"e3", "campaign_id":"c1", "event_name":"e3_name", "event_time":3000000},
> { "evnt_id":"e4", "campaign_id":"c1", "event_name":"e4_name", "event_time":4000000},
> { "evnt_id":"e5", "campaign_id":"c2", "event_name":"e5_name", "event_time":5000000},
> { "evnt_id":"e6", "campaign_id":"c1", "event_name":"e6_name", "event_time":6000000},
> { "evnt_id":"e7", "campaign_id":"c1", "event_name":"e7_name", "event_time":7000000},
> { "evnt_id":"e8", "campaign_id":"c2", "event_name":"e8_name", "event_time":8000000},
> { "evnt_id":"e9", "campaign_id":"c2", "event_name":"e9_name", "event_time":9000000}
> ],
> "transactions" : [
> { "trans_id":"t1", "amount":100, "trans_time":7777777},
> { "trans_id":"t2", "amount":100, "trans_time":8888888}
> ]
> }
> {code}
> The below query which applies a flatten function hangs after returning a few thousand records
> {code}
> select uid, flatten(transactions) from `json_kvgenflatten/transactions.json`;
> {code}
> Select * from the file also fails after displaying a bunch of records
> {code}
> select * from `json_kvgenflatten/transactions.json`;
> {code}
> The below query works
> {code}
> select uid from `json_kvgenflatten/transactions.json`;
> {code}
> I attached the error logs for the 2 failing queries
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