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https://issues.apache.org/jira/browse/HIVE-15849?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fei Hui updated HIVE-15849:
---------------------------
Attachment: HIVE-15849.patch
upload the right patch
> 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, HIVE-15849.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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