beyond1920 opened a new pull request #9152: [FLINK-13314][table-planner-blink] 
Correct resultType of some PlannerExpression when operands contains 
DecimalTypeInfo or BigDecimalTypeInfo in Blink planner
URL: https://github.com/apache/flink/pull/9152
 
 
   ## What is the purpose of the change
   
   Correct resultType of some 
PlannerExpression(`Minus`/`plus`/`Div`/`Mul`/`Ceil`/`Floor`/`Round`..,) when 
operands contains DecimalTypeInfo or BigDecimalTypeInfo in Blink planner.
   
   ## Brief change log
   
   *(for example:)*
     - Fix minor bug in RexNodeConverter when convert `between` and 
`notBetween` to RexNode.
     - Fix minor bug in PlannerExpressionConverter when convert DataType to 
TypeInformation.
     - Correct resultType of 
PlannerExpression(`Minus`/`plus`/`Div`/`Mul`/`Ceil`/`Floor`/`Round`..,)  in 
Blink planner when operands contains DecimalTypeInfo or BigDecimalTypeInfo
   
   
   ## Verifying this change
   
   ITCase
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (no)
     - The public API, i.e., is any changed class annotated with 
`@Public(Evolving)`: (no)
     - The serializers: (no)
     - The runtime per-record code paths (performance sensitive): (no)
     - Anything that affects deployment or recovery: JobManager (and its 
components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
     - The S3 file system connector: (no)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (no)
     - If yes, how is the feature documented? (not applicable)
   

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