Olga, Thank you very much.
On Thu, Jul 2, 2009 at 9:23 AM, Olga Natkovich <[email protected]> wrote: > You need to cancel and resubmit the patch. I just did that for your > patch. > > Olga > > -----Original Message----- > From: Jeff Zhang (JIRA) [mailto:[email protected]] > Sent: Thursday, July 02, 2009 8:44 AM > To: [email protected] > Subject: [jira] Commented: (PIG-851) Map type used as return type in > UDFs not recognized at all times > > > [ > https://issues.apache.org/jira/browse/PIG-851?page=com.atlassian.jira.pl > ugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12726520#ac > tion_12726520 ] > > Jeff Zhang commented on PIG-851: > -------------------------------- > > The status of this issue is patch available, how can I submit the patch > to hudson ? > > > > > Map type used as return type in UDFs not recognized at all times > > ---------------------------------------------------------------- > > > > Key: PIG-851 > > URL: https://issues.apache.org/jira/browse/PIG-851 > > Project: Pig > > Issue Type: Bug > > Components: impl > > Affects Versions: 0.3.0 > > Reporter: Santhosh Srinivasan > > Assignee: Jeff Zhang > > Fix For: 0.4.0 > > > > Attachments: Pig_851_patch.txt > > > > > > When an UDF returns a map and the outputSchema method is not > overridden, Pig does not figure out the data type. As a result, the type > is set to unknown resulting in run time failure. An example script and > UDF follow > > {code} > > public class mapUDF extends EvalFunc<Map<Object, Object>> { > > @Override > > public Map<Object, Object> exec(Tuple input) throws IOException { > > return new HashMap<Object, Object>(); > > } > > //Note that the outputSchema method is commented out > > /* > > @Override > > public Schema outputSchema(Schema input) { > > try { > > return new Schema(new Schema.FieldSchema(null, null, > DataType.MAP)); > > } catch (FrontendException e) { > > return null; > > } > > } > > */ > > {code} > > {code} > > grunt> a = load 'student_tab.data'; > > grunt> b = foreach a generate EXPLODE(1); > > grunt> describe b; > > b: {Unknown} > > grunt> dump b; > > 2009-06-15 17:59:01,776 [main] INFO > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLa > uncher - Failed! > > 2009-06-15 17:59:01,781 [main] ERROR org.apache.pig.tools.grunt.Grunt > - ERROR 2080: Foreach currently does not handle type Unknown > > {code} > > -- > This message is automatically generated by JIRA. > - > You can reply to this email to add a comment to the issue online. > >
