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Daniel Dai commented on PIG-2970: --------------------------------- Oh, sorry [~knoguchi] :) > Nested foreach getting incorrect schema when having unrelated inner query > ------------------------------------------------------------------------- > > Key: PIG-2970 > URL: https://issues.apache.org/jira/browse/PIG-2970 > Project: Pig > Issue Type: Bug > Components: parser > Affects Versions: 0.10.0 > Reporter: Koji Noguchi > Assignee: Daniel Dai > Priority: Minor > Fix For: 0.12.0 > > Attachments: PIG-2970-0.patch, PIG-2970-1.patch, PIG-2970-2.patch, > pig-2970-trunk-v01.txt, pig-2970-trunk-v02.txt > > > While looking at PIG-2968, hit a weird error message. > {noformat} > $ cat -n test/foreach2.pig > 1 daily = load 'nyse' as (exchange, symbol); > 2 grpd = group daily by exchange; > 3 unique = foreach grpd { > 4 sym = daily.symbol; > 5 uniq_sym = distinct sym; > 6 --ignoring uniq_sym result > 7 generate group, daily; > 8 }; > 9 describe unique; > 10 zzz = foreach unique generate group; > 11 explain zzz; > % pig -x local -t ColumnMapKeyPrune test/foreach2.pig > ... > unique: {symbol: bytearray} > 2012-10-12 16:55:44,226 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR > 1025: > <file test/foreach2.pig, line 10, column 30> Invalid field projection. > Projected field [group] does not exist in schema: symbol:bytearray. > ... > {noformat} -- This message was sent by Atlassian JIRA (v6.2#6252)