Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/18047#discussion_r118834880
--- Diff:
common/unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java ---
@@ -835,6 +835,12 @@ public static UTF8String concatWs(UTF8String
separator, UTF8String... inputs) {
return res;
}
+ public UTF8String replace(UTF8String search, UTF8String replace) {
+ String replaced = toString().replace(
+ search.toString(), replace.toString());
--- End diff --
When the search string is an empty string, we should not change the
original string.
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