turboFei edited a comment on issue #25795: [WIP][SPARK-29037][Core] Spark gives 
duplicate result when an application was killed
URL: https://github.com/apache/spark/pull/25795#issuecomment-532621176
 
 
   > Then when dynamicPartitionOverwrite=false , if I detect there is sub dir 
under $table_output/_temporary exists, it should fast fail.
   
   With my knowledge.
   In this PR, When enableDynamicOverwrite is false.
   Case:
    tbl_a(c1 int, c2 int) partitioned by (c2)
   For the sql: `insert overwrite table tbl_a select ...`
   I can not detect it's destination partition.
   

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