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Posted to issues@tajo.apache.org by "Hyunsik Choi (JIRA)" <ji...@apache.org> on 2015/05/27 02:33:20 UTC
[jira] [Commented] (TAJO-1589) Distinguish logical nodes for CTAS
and simple create table statements
[ https://issues.apache.org/jira/browse/TAJO-1589?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14560213#comment-14560213 ]
Hyunsik Choi commented on TAJO-1589:
------------------------------------
+1 for this idea
> Distinguish logical nodes for CTAS and simple create table statements
> ---------------------------------------------------------------------
>
> Key: TAJO-1589
> URL: https://issues.apache.org/jira/browse/TAJO-1589
> Project: Tajo
> Issue Type: Improvement
> Components: planner/optimizer
> Reporter: Jihoon Son
>
> Create table statements can have two forms as follows.
> * CTAS: create table t as select ...
> * Simple statement: create table t (int4 id, ...
> In the logical plan, CTAS node must have a child while simple CreateTable node must not. However, the same CreateTableNode structure are used for both statements, thereby making confusing and potential bugs.
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