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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2021/08/05 06:32:50 UTC
[GitHub] [shardingsphere] strongduanmu edited a comment on issue #10996: Support encrypt route when config multiple data sources
strongduanmu edited a comment on issue #10996:
URL: https://github.com/apache/shardingsphere/issues/10996#issuecomment-888858430
In order to solve the single table routing in the multi-data source aggregation scenario, the order of the rule needs to be adjusted. The latest order is as follows.
<div class="okr-block-clipboard" data-okr="%7B%22okrDelta%22%3A%5B%7B%22lineType%22%3A%22unsupport%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%5D%7D%5D%2C%22businessKey%22%3A%22lark-doc%22%7D"></div><div data-zone-id="0" data-line-index="0" style="white-space: pre;">
Type | Order | Use
-- | -- | --
ShardingRule | ShardingOrder——-10 | ShardingTableMetaDataBuilder ShardingSQLRewriteContextDecorator ShardingResultMergerEngine ShardingSQLRouter
SingleTableRule | SingleTableOrder——0 | SingleTableSQLRouter
EncryptRule | EncryptOrder——10 | EncryptTableMetaDataBuilder EncryptSQLRewriteContextDecorator EncryptResultDecoratorEngine
ReadwriteSplittingRule | ReadwriteSplittingOrder——20 | ReadwriteSplittingSQLRouter
DatabaseDiscoveryRule | DatabaseDiscoveryOrder——30 | DatabaseDiscoverySQLRouter
ShadowRule | ShadowOrder——40 | ShadowSQLRewriteContextDecorator ShadowSQLRouter
</div>
As shown in the figure below, the kernel execution will be executed in ascending order of order.
When the rule is initialized, the data source aggregation rule needs to be loaded in reverse order to ensure that it can be routed from the logical data source to the real data source during routing.
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