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
- Conversion to relational algebra failed to preserve datatypes exception occurs when I execute `SELECT o.*, * FROM t_order o FULL JOIN t_order_item i using(user_id, order_id) WHERE o.user_id = 10 ORDER BY o.order_id;` with sql federation
- The select syntax of ‘group by cube/rollup/grouping sets’ does not support；
- If the select column doesn't only contain group by column,and the group by column is primary key，returns error.
- Missing UNSIGNED INTEGER and SIGNED INTEGER in castType
- Table cannot be prefixed with pg_ in ShardingSphere-Proxy PostgreSQL/openGauss
- ShardingSphere-Proxy MySQL replied incorrect binary flags in column definition
- batch option sql will cause fullgc
- grafana connects to shardingsphere, report type error when logging in
- InlineExpressionParser cause metaspace out of memory error
- [OpenGauss] Can not set TRANSACTION ISOLATION LEVEL
- Docs
- Java not yet supported