Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/6762#discussion_r33655087
--- Diff:
unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java ---
@@ -159,6 +162,77 @@ public UTF8String toLowerCase() {
return UTF8String.fromString(toString().toLowerCase());
}
+ public UTF8String trim() {
+ return UTF8String.fromString(toString().trim());
--- End diff --
I am not sure if the if we can operate the bytes for UTF8, particularly for
the suffix bytes for `trim` or `rightTrim`. as it may occurpt the string.
For example, in UTF-8, a Chinese character is 3 bytes, and the last byte
probably be 0x20 (space), however, we can simply cut off it.
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