If someone attempts to execute a command like the following:
ALTER TABLE tab ADD COLUMN `col2` INT AFTER `col1`;
Then they will see errors like the following:
ERROR 1178 (42000): The storage engine for the table doesn't support The syntax or the data type(s) is not supported by Columnstore. Please check the Columnstore syntax guide for supported syntax or data types.
At least at the time that this JIRA issue is being created, I don't see this limitation mentioned here:
And I do see that "AFTER" is shown as a part of the grammar of "ALTER TABLE" here: