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Daniel Dai updated PIG-2631: ---------------------------- Fix Version/s: (was: 0.16.0) 0.17.0 > Pig should allow self joins > --------------------------- > > Key: PIG-2631 > URL: https://issues.apache.org/jira/browse/PIG-2631 > Project: Pig > Issue Type: Improvement > Reporter: Jonathan Coveney > Fix For: 0.17.0 > > > This doesn't have to even be optimized, and can still involve a double scan > of the data, but there is no reason the following should work: > {code} > a = load 'thing' as (x:int); > b = join a by x, (foreach a generate *) by x; > {code} > but this does not: > {code} > a = load 'thing' as (x:int); > b = join a by x, a by x; > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)