[jira] [Created] (TAJO-1589) Distinguish logical nodes for CTAS and simple create table statements

["Jihoon Son (JIRA)" <ji...@apache.org>]

Jihoon Son created TAJO-1589:
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             Summary: 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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