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Posted to issues@drill.apache.org by "Parth Chandra (JIRA)" <ji...@apache.org> on 2015/04/06 22:44:12 UTC
[jira] [Updated] (DRILL-2200) Obscure error message from kvgen when
the field does not exist in a parquet file
[ https://issues.apache.org/jira/browse/DRILL-2200?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Parth Chandra updated DRILL-2200:
---------------------------------
Fix Version/s: (was: 1.0.0)
1.1.0
> Obscure error message from kvgen when the field does not exist in a parquet file
> --------------------------------------------------------------------------------
>
> Key: DRILL-2200
> URL: https://issues.apache.org/jira/browse/DRILL-2200
> Project: Apache Drill
> Issue Type: Bug
> Components: Functions - Drill
> Reporter: Rahul Challapalli
> Assignee: Mehant Baid
> Priority: Minor
> Fix For: 1.1.0
>
> Attachments: data.parquet
>
>
> git.commit.id.abbrev=3d863b5
> Json Data Set :
> {code}
> {
> "id":1,
> "map": {
> "map1":{"col1":1, "col2":2}
> }
> }
> {code}
> Equivalent Parquet File is attached.
> The below response properly indicates the reason for failure
> {code}
> select kvgen(t.map.abcd) from dfs.flatten_operators.`data.json` t;
> Query failed: RemoteRpcException: Failure while running fragment., kvgen function only supports Simple maps as input [ 9b441359-9f04-4199-8cca-cdc23aaab517 on qa-node191.qa.lab:31010 ]
> [ 9b441359-9f04-4199-8cca-cdc23aaab517 on qa-node191.qa.lab:31010 ]
> {code}
> However the same query on an equivalent parquet file returns an obscure error message
> {code}
> select kvgen(t.map.abcd) from `data.parquet` t;
> Query failed: RemoteRpcException: Failure while running fragment., Unable to find holder type for minorType: LATE [ 9697f4aa-1e8d-4221-8e7f-4d374ffbd916 on qa-node191.qa.lab:31010 ]
> [ 9697f4aa-1e8d-4221-8e7f-4d374ffbd916 on qa-node191.qa.lab:31010 ]
> {code}
> However if we apply kvgen on a first level non-existent field we get back a proper error message even for a parquet file
> {code}
> select kvgen(t.map1) from `data.parquet` t;
> Query failed: RemoteRpcException: Failure while running fragment., kvgen function only supports Simple maps as input [ 1d1c4ca3-ceda-4320-8ff8-fe08afe32090 on qa-node191.qa.lab:31010 ]
> [ 1d1c4ca3-ceda-4320-8ff8-fe08afe32090 on qa-node191.qa.lab:31010 ]
> {code}
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