Andrey Mashenkov created IGNITE-19644:
-----------------------------------------

             Summary: Drop 'COLUMN IF (NOT) EXISTS' syntax sypport.
                 Key: IGNITE-19644
                 URL: https://issues.apache.org/jira/browse/IGNITE-19644
             Project: Ignite
          Issue Type: Improvement
          Components: sql
            Reporter: Andrey Mashenkov


Let's drop supporting ambiguous "COLUMN IF (NOT) EXISTS" syntax.

Motivation.
"IF EXISTS/IF NOT EXISTS" clause is not a part of SQL standard.
It usage looks ambiguous when statement contains multiple actions for 
adding/dropping multiple columns. Multiple actions support is desirable due to 
performance reasons. 



--
This message was sent by Atlassian Jira
(v8.20.10#820010)

Reply via email to