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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2022/10/10 06:37:35 UTC
[GitHub] [shardingsphere] marker-wu opened a new issue, #19323: Question about sharding-jdbc routing engine
marker-wu opened a new issue, #19323:
URL: https://github.com/apache/shardingsphere/issues/19323
I customized a sharding algorithm modulo the consistent hash of company_id. All tables in the database have the same sub-database sub-table algorithm, but the number of sub-tables is inconsistent. How does sharding-jdbc execute only one SQL query when doing a multi-table join query without configuring the binding table?
The execution log shows that sql is executed many times, and the way to execute sql is Cartesian product
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[GitHub] [shardingsphere] github-actions[bot] commented on issue #19323: Question about sharding-jdbc routing engine
Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on issue #19323:
URL: https://github.com/apache/shardingsphere/issues/19323#issuecomment-1272349322
Hello , this issue has not received a reply for several days.
This issue is supposed to be closed.
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[GitHub] [shardingsphere] github-actions[bot] closed issue #19323: Question about sharding-jdbc routing engine
Posted by GitBox <gi...@apache.org>.
github-actions[bot] closed issue #19323: Question about sharding-jdbc routing engine
URL: https://github.com/apache/shardingsphere/issues/19323
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[GitHub] [shardingsphere] RaigorJiang commented on issue #19323: Question about sharding-jdbc routing engine
Posted by "RaigorJiang (via GitHub)" <gi...@apache.org>.
RaigorJiang commented on issue #19323:
URL: https://github.com/apache/shardingsphere/issues/19323#issuecomment-1407563689
The binding table needs to be configured, otherwise Cartesian product will appear in multi-table join.
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[GitHub] [shardingsphere] RaigorJiang closed issue #19323: Question about sharding-jdbc routing engine
Posted by "RaigorJiang (via GitHub)" <gi...@apache.org>.
RaigorJiang closed issue #19323: Question about sharding-jdbc routing engine
URL: https://github.com/apache/shardingsphere/issues/19323
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