ted-jenks opened a new pull request, #39927:
URL: https://github.com/apache/spark/pull/39927
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### What changes were proposed in this pull request?
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Remove blank line removal from CSVExprUtils. This is currently unused as the
parser used to generate inputs for this code-path removes blank and whitespace
lines.
### Why are the changes needed?
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The current state is misleading, indicating that the function is
responsisble for functionality that it is not. The multiline codepath does not
contain any methods claiming to remove blank lines, leading to a confusing
disparity between the two. If in the future blank lines need to be removed from
an `Iterator[String]`, this behavior should be added back explicitely.
### Does this PR introduce _any_ user-facing change?
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No
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See CSVSuite tests that read "cars..." files which contain blank lines on
the multiline and non-multiline code-path.
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