thswlsqls opened a new pull request, #39153:
URL: https://github.com/apache/shardingsphere/pull/39153

   Fixes #39149.
   
   Changes proposed in this pull request:
     - Normalize the table name with `.toLowerCase()` in 
`BroadcastDataNodeRuleAttribute.getDataNodesByTableName()` before looking up 
`tableDataNodes`, which is keyed by lower-cased table names in the constructor.
     - Aligns the method with its three sibling lookups 
(`findFirstActualTable`, `findLogicTableByActualTable`, 
`findActualTableByCatalog`) that already lower-case the argument, and with the 
case-insensitive lookups in the Sharding and Single data node rule attributes.
     - Add a unit test asserting an upper-cased table name resolves to the same 
data nodes as the lower-cased name.
   
   ---
   
   Before committing this PR, I'm sure that I have checked the following 
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of this project.
   - [x] I have self-reviewed the commit code.
   - [ ] I have (or in comment I request) added corresponding labels for the 
pull request.
   - [x] I have passed maven check locally : `./mvnw clean install -B -T1C 
-Dmaven.javadoc.skip -Dmaven.jacoco.skip -e`.
   - [ ] I have made corresponding changes to the documentation.
   - [x] I have added corresponding unit tests for my changes.
   - [x] I have updated the Release Notes of the current development version. 
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