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https://issues.apache.org/jira/browse/FLINK-2106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14714195#comment-14714195
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ASF GitHub Bot commented on FLINK-2106:
---------------------------------------

Github user chiwanpark commented on a diff in the pull request:

    https://github.com/apache/flink/pull/1052#discussion_r37998051
  
    --- Diff: 
flink-optimizer/src/main/java/org/apache/flink/optimizer/operators/SortMergeJoinDescriptor.java
 ---
    @@ -99,7 +99,7 @@ public DualInputPlanNode instantiate(Channel in1, Channel 
in2, TwoInputNode node
                        inputOrders = tmp;
                }
                
    -           return new DualInputPlanNode(node, 
"Join("+node.getOperator().getName()+")", in1, in2, DriverStrategy.MERGE, 
this.keys1, this.keys2, inputOrders);
    +           return new DualInputPlanNode(node, 
"Join("+node.getOperator().getName()+")", in1, in2, DriverStrategy.INNER_MERGE, 
this.keys1, this.keys2, inputOrders);
    --- End diff --
    
    need spaces around `+` operator


> Add outer joins to Runtime
> --------------------------
>
>                 Key: FLINK-2106
>                 URL: https://issues.apache.org/jira/browse/FLINK-2106
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Local Runtime
>            Reporter: Fabian Hueske
>            Assignee: Ricky Pogalz
>            Priority: Minor
>             Fix For: pre-apache
>
>
> Add left/right/full outer join methods to the runtime of Flink.
> Initially, the execution strategy should be a sort-merge outer join 
> (FLINK-2105) but can later be extended to hash joins for left/right outer 
> joins.



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