Github user gatorsmile commented on the pull request:
https://github.com/apache/spark/pull/12801#issuecomment-216717803
@andrewor14 What is the partition spec if one table has two partitions
`a=1`, `b=1` and `a=1`, `c=2`? I think it is impossible to do that, right?
We enforce the partition spec of a drop partition command must strictly
follow the partition spec of the table definition by the function
`requireExactMatchedPartitionSpec `
https://github.com/apache/spark/pull/12801/files#diff-b3f9800839b9b9a1df9da9cbfc01adf8R545
Let me know if you have any question about this. Thanks!
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