[GitHub] [flink] wuchong edited a comment on issue #9433: [FLINK-13708] [table-planner-blink] transformations should be cleared after execution in blink planner

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wuchong edited a comment on issue #9433: [FLINK-13708] [table-planner-blink] transformations should be cleared after execution in blink planner
URL: https://github.com/apache/flink/pull/9433#issuecomment-525684963
 
 
   There are three issues:
   
   1) explain() + execute()    ==> will execute the job twice
   2) explain() + explain()     ==> will display two same physical plans in the second explain.
   3) execute() + execute()  ==> will execute the job twice in the second execute
   
   Blink planner has all of three issue. And flink planner has 1) and 2) issues.  

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