[jira] Updated: (PIG-942) Maps are not implicitly casted
[ https://issues.apache.org/jira/browse/PIG-942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Giridharan Kesavan updated PIG-942: --- Status: Patch Available (was: Open) resubmiting patch to hudson Maps are not implicitly casted -- Key: PIG-942 URL: https://issues.apache.org/jira/browse/PIG-942 Project: Pig Issue Type: Bug Reporter: Sriranjan Manjunath Assignee: Pradeep Kamath Fix For: 0.6.0 Attachments: PIG-942-2.patch, PIG-942.patch A = load 'foo' as (m) throws the following exception when foo has maps. java.lang.ClassCastException: org.apache.pig.data.DataByteArray cannot be cast to java.util.Map at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:98) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:115) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNext(POCast.java:612) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:278) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:204) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:231) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNext(POLocalRearrange.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:249) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:93) at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:227) at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2198) The same works if I explicitly cast m to a map: A = load 'foo' as (m:[]) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.
[jira] Updated: (PIG-942) Maps are not implicitly casted
[ https://issues.apache.org/jira/browse/PIG-942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Giridharan Kesavan updated PIG-942: --- Status: Open (was: Patch Available) Maps are not implicitly casted -- Key: PIG-942 URL: https://issues.apache.org/jira/browse/PIG-942 Project: Pig Issue Type: Bug Reporter: Sriranjan Manjunath Assignee: Pradeep Kamath Fix For: 0.6.0 Attachments: PIG-942-2.patch, PIG-942.patch A = load 'foo' as (m) throws the following exception when foo has maps. java.lang.ClassCastException: org.apache.pig.data.DataByteArray cannot be cast to java.util.Map at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:98) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:115) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNext(POCast.java:612) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:278) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:204) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:231) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNext(POLocalRearrange.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:249) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:93) at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:227) at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2198) The same works if I explicitly cast m to a map: A = load 'foo' as (m:[]) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.
[jira] Updated: (PIG-942) Maps are not implicitly casted
[ https://issues.apache.org/jira/browse/PIG-942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Giridharan Kesavan updated PIG-942: --- Status: Open (was: Patch Available) Maps are not implicitly casted -- Key: PIG-942 URL: https://issues.apache.org/jira/browse/PIG-942 Project: Pig Issue Type: Bug Reporter: Sriranjan Manjunath Assignee: Pradeep Kamath Fix For: 0.6.0 Attachments: PIG-942-2.patch, PIG-942.patch A = load 'foo' as (m) throws the following exception when foo has maps. java.lang.ClassCastException: org.apache.pig.data.DataByteArray cannot be cast to java.util.Map at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:98) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:115) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNext(POCast.java:612) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:278) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:204) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:231) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNext(POLocalRearrange.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:249) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:93) at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:227) at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2198) The same works if I explicitly cast m to a map: A = load 'foo' as (m:[]) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.
[jira] Updated: (PIG-942) Maps are not implicitly casted
[ https://issues.apache.org/jira/browse/PIG-942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pradeep Kamath updated PIG-942: --- Resolution: Fixed Status: Resolved (was: Patch Available) Unit test was present in the original patch. Patch committed to trunk. Maps are not implicitly casted -- Key: PIG-942 URL: https://issues.apache.org/jira/browse/PIG-942 Project: Pig Issue Type: Bug Reporter: Sriranjan Manjunath Assignee: Pradeep Kamath Fix For: 0.6.0 Attachments: PIG-942-2.patch, PIG-942.patch A = load 'foo' as (m) throws the following exception when foo has maps. java.lang.ClassCastException: org.apache.pig.data.DataByteArray cannot be cast to java.util.Map at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:98) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:115) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNext(POCast.java:612) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:278) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:204) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:231) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNext(POLocalRearrange.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:249) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:93) at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:227) at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2198) The same works if I explicitly cast m to a map: A = load 'foo' as (m:[]) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.
[jira] Updated: (PIG-942) Maps are not implicitly casted
[ https://issues.apache.org/jira/browse/PIG-942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pradeep Kamath updated PIG-942: --- Status: Patch Available (was: Open) Maps are not implicitly casted -- Key: PIG-942 URL: https://issues.apache.org/jira/browse/PIG-942 Project: Pig Issue Type: Bug Reporter: Sriranjan Manjunath Assignee: Pradeep Kamath Fix For: 0.6.0 Attachments: PIG-942-2.patch, PIG-942.patch A = load 'foo' as (m) throws the following exception when foo has maps. java.lang.ClassCastException: org.apache.pig.data.DataByteArray cannot be cast to java.util.Map at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:98) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:115) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNext(POCast.java:612) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:278) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:204) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:231) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNext(POLocalRearrange.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:249) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:93) at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:227) at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2198) The same works if I explicitly cast m to a map: A = load 'foo' as (m:[]) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.
[jira] Updated: (PIG-942) Maps are not implicitly casted
[ https://issues.apache.org/jira/browse/PIG-942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pradeep Kamath updated PIG-942: --- Attachment: PIG-942-2.patch Attached patch which calls getExpression().getFieldSchema() to get the fieldschema and further checks for null before using the canonical name. Unit tests were already present in the original patch - no tests have been added for this additional patch Maps are not implicitly casted -- Key: PIG-942 URL: https://issues.apache.org/jira/browse/PIG-942 Project: Pig Issue Type: Bug Reporter: Sriranjan Manjunath Assignee: Pradeep Kamath Fix For: 0.6.0 Attachments: PIG-942-2.patch, PIG-942.patch A = load 'foo' as (m) throws the following exception when foo has maps. java.lang.ClassCastException: org.apache.pig.data.DataByteArray cannot be cast to java.util.Map at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:98) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:115) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNext(POCast.java:612) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:278) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:204) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:231) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNext(POLocalRearrange.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:249) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:93) at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:227) at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2198) The same works if I explicitly cast m to a map: A = load 'foo' as (m:[]) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.
[jira] Updated: (PIG-942) Maps are not implicitly casted
[ https://issues.apache.org/jira/browse/PIG-942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pradeep Kamath updated PIG-942: --- Status: Patch Available (was: Reopened) Maps are not implicitly casted -- Key: PIG-942 URL: https://issues.apache.org/jira/browse/PIG-942 Project: Pig Issue Type: Bug Reporter: Sriranjan Manjunath Assignee: Pradeep Kamath Fix For: 0.6.0 Attachments: PIG-942-2.patch, PIG-942.patch A = load 'foo' as (m) throws the following exception when foo has maps. java.lang.ClassCastException: org.apache.pig.data.DataByteArray cannot be cast to java.util.Map at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:98) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:115) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNext(POCast.java:612) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:278) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:204) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:231) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNext(POLocalRearrange.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:249) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:93) at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:227) at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2198) The same works if I explicitly cast m to a map: A = load 'foo' as (m:[]) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.
[jira] Updated: (PIG-942) Maps are not implicitly casted
[ https://issues.apache.org/jira/browse/PIG-942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pradeep Kamath updated PIG-942: --- Attachment: PIG-942.patch Attached patch which addresses the issue by introducing implicit cast to Map if the input to Map lookup is not a map. As a part of this patch also changed LOCast.getFieldSchema() to set lineage information (set its parent to the expression on which it is operating). The latter change was needed to fix unit tests which were failing due to the first change. Maps are not implicitly casted -- Key: PIG-942 URL: https://issues.apache.org/jira/browse/PIG-942 Project: Pig Issue Type: Bug Reporter: Sriranjan Manjunath Attachments: PIG-942.patch A = load 'foo' as (m) throws the following exception when foo has maps. java.lang.ClassCastException: org.apache.pig.data.DataByteArray cannot be cast to java.util.Map at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:98) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:115) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNext(POCast.java:612) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:278) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:204) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:231) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNext(POLocalRearrange.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:249) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:93) at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:227) at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2198) The same works if I explicitly cast m to a map: A = load 'foo' as (m:[]) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.
[jira] Updated: (PIG-942) Maps are not implicitly casted
[ https://issues.apache.org/jira/browse/PIG-942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pradeep Kamath updated PIG-942: --- Fix Version/s: 0.6.0 Assignee: Pradeep Kamath Status: Patch Available (was: Open) Maps are not implicitly casted -- Key: PIG-942 URL: https://issues.apache.org/jira/browse/PIG-942 Project: Pig Issue Type: Bug Reporter: Sriranjan Manjunath Assignee: Pradeep Kamath Fix For: 0.6.0 Attachments: PIG-942.patch A = load 'foo' as (m) throws the following exception when foo has maps. java.lang.ClassCastException: org.apache.pig.data.DataByteArray cannot be cast to java.util.Map at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:98) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:115) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNext(POCast.java:612) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:278) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:204) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:231) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNext(POLocalRearrange.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:249) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:93) at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:227) at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2198) The same works if I explicitly cast m to a map: A = load 'foo' as (m:[]) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.
[jira] Updated: (PIG-942) Maps are not implicitly casted
[ https://issues.apache.org/jira/browse/PIG-942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pradeep Kamath updated PIG-942: --- Resolution: Fixed Hadoop Flags: [Reviewed] Status: Resolved (was: Patch Available) Patch committed to trunk. Maps are not implicitly casted -- Key: PIG-942 URL: https://issues.apache.org/jira/browse/PIG-942 Project: Pig Issue Type: Bug Reporter: Sriranjan Manjunath Assignee: Pradeep Kamath Fix For: 0.6.0 Attachments: PIG-942.patch A = load 'foo' as (m) throws the following exception when foo has maps. java.lang.ClassCastException: org.apache.pig.data.DataByteArray cannot be cast to java.util.Map at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:98) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:115) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNext(POCast.java:612) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:278) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:204) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:231) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNext(POLocalRearrange.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:249) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:240) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:93) at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:227) at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2198) The same works if I explicitly cast m to a map: A = load 'foo' as (m:[]) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.