Github user tarekauel commented on a diff in the pull request:
https://github.com/apache/spark/pull/7115#discussion_r34370691
--- Diff:
unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java ---
@@ -515,4 +522,45 @@ public int hashCode() {
}
return result;
}
+
+ /**
+ * Encodes a string into a Soundex value. Soundex is an encoding used to
relate similar names,
+ * but can also be used as a general purpose scheme to find word with
similar phonemes.
+ */
+ public UTF8String Soundex() {
+ if (numBytes == 0) {
+ return UTF8String.fromBytes(new byte[0]);
+ }
+ String tmp;
+ byte data[] = {'0','0','0','0'};
+ char ch;
+ int idx = 0;
+ int offset = numBytesForFirstByte(getByte(0));
+ if(offset>1)
+ {
+ return UTF8String.fromBytes(getBytes());
--- End diff --
`this`. There is no need to create a new `UTF8String`
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