[ https://issues.apache.org/jira/browse/PIG-4511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Cheolsoo Park reassigned PIG-4511: ---------------------------------- Assignee: Joseph Babcock Assigning to Joseph. > Add columns to prune from PluckTuple > ------------------------------------ > > Key: PIG-4511 > URL: https://issues.apache.org/jira/browse/PIG-4511 > Project: Pig > Issue Type: Improvement > Reporter: Joseph Babcock > Assignee: Joseph Babcock > Priority: Minor > Fix For: 0.14.0 > > > Currently pluckTuple returns all columns in relation that match a prefix > predicate. This patch allows a variable argument list of column names > following the predicate to remove from the alias. > Example: > a = load 'a' as (x:int,y:chararray,z:long) > b = load 'b' as (x:int,y:chararray,z:long) > c = join a by x, b by x; > Define pluck PluckTuple('a::','x',z') > -- returns y from a only -- This message was sent by Atlassian JIRA (v6.3.4#6332)