zhengruifeng commented on PR #38763:
URL: https://github.com/apache/spark/pull/38763#issuecomment-1324508234
merged into master
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zhengruifeng commented on PR #38763:
URL: https://github.com/apache/spark/pull/38763#issuecomment-1324459180
@amaliujia that is on purpose, `sdf.x` will just throw an exception since
`sdf` don't contains `x` column, but in connect df `cdf` , `cdf.x` will not
throw an exception since it
