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https://issues.apache.org/jira/browse/TAJO-1987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15028052#comment-15028052
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ASF GitHub Bot commented on TAJO-1987:
--------------------------------------
Github user blrunner commented on a diff in the pull request:
https://github.com/apache/tajo/pull/874#discussion_r45939647
--- Diff:
tajo-plan/src/main/java/org/apache/tajo/plan/logical/ScanNode.java ---
@@ -32,7 +32,10 @@
import org.apache.tajo.util.TUtil;
import java.util.ArrayList;
+import java.util.Collections;
import java.util.List;
+import java.util.stream.Stream;
+import java.util.stream.StreamSupport;
--- End diff --
It seems to be an unused package.
> Add stream API to Projectable and refactor its usage codes
> ----------------------------------------------------------
>
> Key: TAJO-1987
> URL: https://issues.apache.org/jira/browse/TAJO-1987
> Project: Tajo
> Issue Type: Sub-task
> Components: Planner/Optimizer
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Priority: Minor
> Fix For: 0.12.0
>
>
> This patch is a trivial patch to add a stream API to Projectable and refactor
> its usage codes.
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