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Citus 8.1.0 changelog 1545053355 (#2553) 

* Add changelog entry for 8.1.0
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Hanefi Onaldi 2018-12-18 14:48:34 +03:00 committed by GitHub
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CHANGELOG.md
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### citus v8.1.0 (December 17, 2018) ###
* Turns on ssl by default for new installations of citus
* Restricts SSL Ciphers to TLS1.2 and above
* Adds support for INSERT INTO SELECT..ON CONFLICT/RETURNING via coordinator
* Adds support for round-robin task assignment for queries to reference tables
* Adds support for SQL tasks using worker_execute_sql_task UDF with task-tracker
* Adds support for VALIDATE CONSTRAINT queries
* Adds support for disabling hash aggregate with HLL
* Adds user ID suffix to intermediate files generated by task-tracker
* Only allow transmit from pgsql_job_cache directory
* Disallows GROUPING SET clauses in subqueries
* Removes restriction on user-defined group ID in node addition functions
* Relaxes multi-shard modify locks when enable_deadlock_prevention is disabled
* Improves security in task-tracker protocol
* Improves permission checks in internal DROP TABLE functions
* Improves permission checks in cluster management functions
* Cleans up UDFs and fixes permission checks
* Fixes crashes caused by stack size increase under high memory load
* Fixes a bug that could cause maintenance daemon panic
### citus v8.0.2 (December 13, 2018) ###
* Fixes a bug that could cause maintenance daemon panic