shardingsphere
https://github.com/apache/shardingsphere
Java
Distributed SQL transaction & query engine for data sharding, scaling, encryption, and more - on any database.
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- Issues
- Discuss to prepare the final version of ShardingSphere 5.x
- Why doesn't the saveBatch() method clear the cache? Occasionally, it may occur that the previous ID result set has been read.
- Force UTF-8 Encoding for PostgreSQL Backend Connections in ShardingSphere-Proxy
- 5.5.2 version HavingSegmentBinder not read the SubqueryTableSegment columns
- Improve IndexMetaDataUtils.getActualIndexName to reduce index name too long problem
- HashModShardingAlgorithm depends on shardingValue.hashCode() might cause some issues
- SQL Federation (PostgreSQL): SELECT version() got `Exception` when `ALL_QUERY_USE_SQL_FEDERATION=true`
- [SQL Federation][Proxy][PostgreSQL] Correlated subquery triggers repeated scans per outer row (O(N) queries) leading to timeout even on small datasets
- [SQL Federation] Correlated IN-subquery fails in a non-join subquery but succeed in a more complex subquery with join.
- [Proxy][PostgreSQL] Colocated join inside scalar subquery fails with "relation does not exist" although it is queryable
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- Java not yet supported