Github user tarekauel commented on a diff in the pull request:
https://github.com/apache/spark/pull/7531#discussion_r35031504
--- Diff:
unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java ---
@@ -77,6 +78,15 @@ public static UTF8String fromString(String str) {
}
}
+ /**
+ * Creates an UTF8String that contains `length` spaces.
+ */
+ public static UTF8String blankString(int length) {
+ byte[] spaces = new byte[length];
+ Arrays.fill(spaces, (byte) ' ');
--- End diff --
Char implements UTF-16
(http://docs.oracle.com/javase/7/docs/api/java/lang/Character.html)
"The char data type (and therefore the value that a Character object
encapsulates) are based on the original Unicode specification, which defined
characters as fixed-width 16-bit entities".
Shall I still change it?
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