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Merge pull request #4307 from citusdata/citus-9.5.0-changelog-1604924343 

Update CHANGELOG for 9.5.0
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Onur Tirtir 2020-11-11 16:42:10 +03:00 committed by GitHub
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### citus v9.5.0 (November 10, 2020) ###
* Adds support for PostgreSQL 13
* Removes the task-tracker executor
* Introduces citus local tables
* Introduces `undistribute_table` UDF to convert tables back to postgres tables
* Adds support for `EXPLAIN (ANALYZE) EXECUTE` and `EXPLAIN EXECUTE`
* Adds support for `EXPLAIN (ANALYZE, WAL)` for PG13
* Sorts the output of `EXPLAIN (ANALYZE)` by execution duration.
* Adds support for CREATE TABLE ... USING table_access_method
* Adds support for `WITH TIES` option in SELECT and INSERT SELECT queries
* Avoids taking multi-shard locks on workers
* Enforces `citus.max_shared_pool_size` config in COPY queries
* Enables custom aggregates with multiple parameters to be executed on workers
* Enforces `citus.max_intermediate_result_size` in local execution
* Improves cost estimation of INSERT SELECT plans
* Introduces delegation of procedures that read from reference tables
* Prevents pull-push execution for simple pushdownable subqueries
* Improves error message when creating a foreign key to a local table
* Makes `citus_prepare_pg_upgrade` idempotent by dropping transition tables
* Disallows `ON TRUE` outer joins with reference & distributed tables when
reference table is outer relation to avoid incorrect results
* Disallows field indirection in INSERT/UPDATE queries to avoid incorrect
results
* Disallows volatile functions in UPDATE subqueries to avoid incorrect results
* Fixes CREATE INDEX CONCURRENTLY crash with local execution
* Fixes `citus_finish_pg_upgrade` to drop all backup tables
* Fixes a bug that cause failures when `RECURSIVE VIEW` joined reference table
* Fixes DROP SEQUENCE failures when metadata syncing is enabled
* Fixes a bug that caused CREATE TABLE with CHECK constraint to fail
* Fixes a bug that could cause VACUUM to deadlock
* Fixes master_update_node failure when no background worker slots are available
* Fixes a bug that caused replica identity to not be propagated on shard repair
* Fixes a bug that could cause crashes after connection timeouts
* Fixes a bug that could cause crashes with certain compile flags
* Fixes a bug that could cause deadlocks on CREATE INDEX
* Fixes a bug with genetic query optimization in outer joins
* Fixes a crash when aggregating empty tables
* Fixes a crash with inserting domain constrained composite types
* Fixes a crash with multi-row & router INSERT's in local execution
* Fixes a possibility of doing temporary file cleanup more than once
* Fixes incorrect setting of join related fields
* Fixes memory issues around deparsing index commands
* Fixes reference table access tracking for sequential execution
* Fixes removal of a single node with only reference tables
* Fixes sending commands to coordinator when it is added as a worker
* Fixes write queries with const expressions and COLLATE in various places
* Fixes wrong cancellation message about distributed deadlock
### citus v9.4.2 (October 21, 2020) ###
* Fixes a bug that could lead to multiple maintenance daemons