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https://issues.apache.org/jira/browse/HIVE-15849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15924546#comment-15924546
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Hive QA commented on HIVE-15849:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12857176/HIVE-15849.1.patch
{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.
{color:green}SUCCESS:{color} +1 due to 10344 tests passed
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/4127/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/4127/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-4127/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12857176 - PreCommit-HIVE-Build
> 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-15849.1.patch, HIVE-15849.patch
>
>
> code in Udf.java
> {code:title=Udf.java|borderStyle=solid}
> if (exec == null) {
> exec = new Exec();
> 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();
> }
> {code}
> Here is my thoughts
> {quote}
> we should add 'exec.enterGlobalScope(); ' between 'exec = new Exec();' and
> 'setParameters(arguments);'
> Because if we do not call exec.enterGlobalScope(), setParameters(arguments)
> will useless. Vars are not added into scope , but exec.run() will use vars
> which we set. The vars are parameters passed to UDF, [, :1, :2, ...n] which
> are description in Udf.java
> {quote}
> Before add this function, the result as follow. we get the wrong result,
> because the result contains empty string
> {quote}
> 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, !
> {quote}
> After add this function, we get the right result
> {quote}
> 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!
> {quote}
> tests come from http://www.hplsql.org/udf
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