Koji Noguchi created PIG-2970: --------------------------------- Summary: 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 Reporter: Koji Noguchi Assignee: Koji Noguchi Priority: Minor
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 is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira