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Posted to issues@hive.apache.org by "Vimal Sharma (JIRA)" <ji...@apache.org> on 2016/09/07 11:24:20 UTC
[jira] [Updated] (HIVE-14706) Lineage information not set properly
[ https://issues.apache.org/jira/browse/HIVE-14706?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vimal Sharma updated HIVE-14706:
--------------------------------
Priority: Critical (was: Major)
> Lineage information not set properly
> ------------------------------------
>
> Key: HIVE-14706
> URL: https://issues.apache.org/jira/browse/HIVE-14706
> Project: Hive
> Issue Type: Bug
> Reporter: Vimal Sharma
> Priority: Critical
>
> I am trying to fetch column level lineage after a CTAS query in a Post Execution hook in Hive. Below are the queries:
> {code}
> create table t1(id int, name string);
> create table t2 as select * from t1;
> {code}
> The lineage information is retrieved using the following sample piece of code:
> {code}
> lInfo = hookContext.getLinfo()
> for(Map.Entry<LineageInfo.DependencyKey, LineageInfo.Dependency> e : lInfo.entrySet()) {
> System.out.println("Col Lineage Key : " + e.getKey());
> System.out.println("Col Lineage Value: " + e.getValue());
> }
> {code}
> The Dependency field(i.e Col Lineage Value) is coming in as null.
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