Github user arina-ielchiieva commented on the issue:
https://github.com/apache/drill/pull/666
@paul-rogers
I have re-designed CTTAS, here is the main changes:
1. Temp table name is generated using UUID.randowmUUID().
2. All session temp tables are stored in session temp location (corresponds
to session id). On session close this folder is deleted recursively.
3. One session can have several temp locations (since default temporary
workspace config can change at runtime).
4. Temp table can be created only in one workspace (declared as default in
configuration).
5. Permissions are applied on folder and file levels: persistent tables
(folder -775, files - 644), temporary tables (folders - 700. files - 600).
Please note, drill-override-example.conf contains link to CTTAS
documentation on gist, currently it's empty but I'll update it once CTTAS
design is final.
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