Details
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Bug
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Status: Resolved
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Major
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Resolution: Invalid
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0.9.2, 0.10.0
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None
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None
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None
Description
I've created a loadfunc that implements LoadMetadata and returns a schema as follows:
(key: bytearray,columns: {((name: chararray,owner_id: chararray))})
(the code is at CASSANDRA-3371 if you want to take a look)
However, whenever I try to access tuple fields within the bag, they cannot be found:
rows = LOAD 'cassandra://Keyspace1/Standard1' USING CassandraStorage(); one = filter rows by columns.owner_id eq 'foo'; dump one;
Produces:
2012-01-20 20:12:14,858 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1200: Pig script failed to parse: <file foo.pig, line 2, column 7> pig script failed to validate: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1128: Cannot find field owner_id in :tuple(name:chararray,owner_id:chararray)
Replacing the bag with another tuple works and all the fields are accessible. I've tried this against the 0.9 and 0.10 branch heads with no luck. Trunk produces a slight different error:
org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1000: Error during parsing. Pig script failed to parse:
<file foo.pig, line 2, column 7> pig script failed to validate: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1127: Index 1 out of range in schema::tuple(name:chararray,column_family:chararray)
at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1598)
at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1541)
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