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https://issues.apache.org/jira/browse/PIG-1771?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Dai updated PIG-1771:
----------------------------
Attachment: PIG-1771-3.patch
PIG-1771-3.patch address unit test failure.
> New logical plan: Merge schema fail if LoadFunc.getSchema return different
> schema with "Load...AS"
> --------------------------------------------------------------------------------------------------
>
> Key: PIG-1771
> URL: https://issues.apache.org/jira/browse/PIG-1771
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.8.0
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.8.0
>
> Attachments: PIG-1771-1.patch, PIG-1771-2.patch, PIG-1771-3.patch
>
>
> The following script fail:
> {code}
> a = load '1.txt' as (a0:chararray, a1:chararray, a3, a4:map[]);
> store a into '1.bin' using BinStorage();
> auxData = LOAD '1.bin' USING BinStorage('Utf8StorageConverter') AS
> (cookieId:chararray, type:chararray, record:tuple(), state:map[]);
> dump auxData;
> {code}
> Error message:
> Caused by: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 2246:
> Error merging schema record#-1:tuple{} and null#-1:bytearray
> at
> org.apache.pig.newplan.logical.relational.LogicalSchema.merge(LogicalSchema.java:337)
> at
> org.apache.pig.newplan.logical.relational.LOLoad.getSchema(LOLoad.java:103)
> at
> org.apache.pig.newplan.logical.optimizer.SchemaResetter.visit(SchemaResetter.java:59)
> at
> org.apache.pig.newplan.logical.relational.LOLoad.accept(LOLoad.java:159)
> at
> org.apache.pig.newplan.DependencyOrderWalker.walk(DependencyOrderWalker.java:75)
> at org.apache.pig.newplan.PlanVisitor.visit(PlanVisitor.java:50)
> at
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.compile(HExecutionEngine.java:261)
> ... 12 more
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