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https://issues.apache.org/jira/browse/DRILL-986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jacques Nadeau updated DRILL-986:
---------------------------------
Issue Type: Improvement (was: Bug)
> Explicit cast of empty string to double/integer throws NumberFormatException
> -----------------------------------------------------------------------------
>
> Key: DRILL-986
> URL: https://issues.apache.org/jira/browse/DRILL-986
> Project: Apache Drill
> Issue Type: Improvement
> Components: Functions - Drill
> Reporter: Abhishek Girish
> Assignee: Mehant Baid
> Fix For: 0.4.0
>
>
> While running TPC-DS queries we hit an issue while reading Parquet. When
> narrowed down, it was seen to be an issue with explicit cast when data files
> consist of null/empty strings.
> SqlLine error:
> > select cast('' as integer) from `/user/root/item.tbl` limit 1;
> Query failed: org.apache.drill.exec.rpc.RpcException: Remote failure while
> running query.[error_id: "7c691e59-6998-4f5d-bd89-0b3635709aea"
> endpoint {
> address: "drillats2.qa.lab"
> user_port: 31010
> control_port: 31011
> data_port: 31012
> }
> error_type: 0
> message: "Failure while running fragment. < NumberFormatException:[ ]"
> ]
> Error: exception while executing query (state=,code=0)
> 0: jdbc:drill:schema=dfs.drillTestDirTPCDS> select cast('' as double) from
> `/user/root/item.tbl` limit 1;
> Query failed: org.apache.drill.exec.rpc.RpcException: Remote failure while
> running query.[error_id: "ce1b91bd-1892-434e-88e4-a535541888c0"
> endpoint {
> address: "drillats2.qa.lab"
> user_port: 31010
> control_port: 31011
> data_port: 31012
> }
> error_type: 0
> message: "Failure while running fragment. < NumberFormatException:[ empty
> String ]"
> ]
> Error: exception while executing query (state=,code=0)
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