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Date: Wed, 8 Feb 2017 12:08:42 +0000 (UTC)
From: "Fei Hui (JIRA)" <jira@apache.org>
To: issues@hive.apache.org
Message-ID: <JIRA.13041360.1486555510000.28390.1486555722025@Atlassian.JIRA>
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Subject: [jira] [Updated] (HIVE-15849) hplsql should add enterGlobalScope
 func to UDF
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archived-at: Wed, 08 Feb 2017 12:09:18 -0000


     [ https://issues.apache.org/jira/browse/HIVE-15849?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Fei Hui updated HIVE-15849:
---------------------------
    Attachment: HIVE-15832.patch

patch uploaded

> hplsql should add enterGlobalScope func to UDF
> ----------------------------------------------
>
>                 Key: HIVE-15849
>                 URL: https://issues.apache.org/jira/browse/HIVE-15849
>             Project: Hive
>          Issue Type: Bug
>          Components: hpl/sql
>    Affects Versions: 2.2.0
>            Reporter: Fei Hui
>            Assignee: Fei Hui
>         Attachments: HIVE-15832.patch
>
>
> code in Udf.java
> {quote}
>     if (exec == null) {
>       exec = new Exec();
>       exec.enterGlobalScope();
>       String query = queryOI.getPrimitiveJavaObject(arguments[0].get());
>       String[] args = { "-e", query, "-trace" };
>       try {
>         exec.setUdfRun(true);
>         exec.init(args);
>       } catch (Exception e) {
>         throw new HiveException(e.getMessage());
>       }
>     }
>     if (arguments.length > 1) {
>       setParameters(arguments);
>     }
>     Var result = exec.run();
>     if (result != null) {
>       return result.toString();
>     }
> {quote}
> we should add 'exec.enterGlobalScope(); ' before set parameters
> before fixing this
> we get the wrong result, result contains  empty string  
> Starting pre-SQL statement
> Starting pre-SQL statement
> Starting pre-SQL statement
> Starting pre-SQL statement
> Starting pre-SQL statement
> Starting query
> Query executed successfully (2.30 sec)
> Ln:8 SELECT completed successfully
> Ln:8 Standalone SELECT executed: 1 columns in the result set
> Hello, !
> Hello, !
> after fixing it
> we get the right result
> Starting pre-SQL statement
> Starting pre-SQL statement
> Starting pre-SQL statement
> Starting pre-SQL statement
> Starting pre-SQL statement
> Starting query
> Query executed successfully (2.35 sec)
> Ln:8 SELECT completed successfully
> Ln:8 Standalone SELECT executed: 1 columns in the result set
> Hello, fei!
> Hello, fei!
> tests come from HIVE-15832


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