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Add changelog entry for 7.5.0

pull/2310/head
mehmet furkan şahin 2018-07-25 00:25:50 +03:00
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CHANGELOG.md
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### citus v7.5.0 (July 25, 2018) ###
* Adds foreign key support from hash distributed to reference tables
* Adds SELECT ... FOR UPDATE support for router plannable queries
* Adds support for non-partition columns in count distinct
* Fixes a segfault in real-time executor during online shard move
* Fixes ALTER TABLE ADD COLUMN constraint check
* Fixes a bug where INSERT ... SELECT was allowed to update distribution column
* Allows DDL commands to be sequentialized via `citus.multi_shard_modify_mode`
* Adds support for topn_union_agg and topn_add_agg across shards
* Adds support for hll_union_agg and hll_add_agg across shards
* Fixes a bug that might cause shards to have a wrong owner
* GUC select_opens_transaction_block defers opening transaction block on workers
* Utils to implement DDLs for policies in future, warn about being unsupported
* Intermediate results use separate connections to avoid interfering with tasks
* Adds a node_conninfo GUC to set outgoing connection settings
### citus v6.2.6 (July 06, 2018) ###
* Adds support for respecting enable_hashagg in the master planner