uros-db commented on code in PR #45643:
URL: https://github.com/apache/spark/pull/45643#discussion_r1565515634
##########
common/unsafe/src/main/java/org/apache/spark/sql/catalyst/util/CollationSupport.java:
##########
@@ -169,6 +239,46 @@ private static boolean matchAt(final UTF8String target,
final UTF8String pattern
pos, pos + pattern.numChars()), pattern, collationId).last() == 0;
}
+ private static int findInSet(UTF8String match, UTF8String set, int
collationId) {
Review Comment:
these parameters should be `final`
##########
common/unsafe/src/main/java/org/apache/spark/sql/catalyst/util/CollationSupport.java:
##########
@@ -169,6 +239,46 @@ private static boolean matchAt(final UTF8String target,
final UTF8String pattern
pos, pos + pattern.numChars()), pattern, collationId).last() == 0;
}
+ private static int findInSet(UTF8String match, UTF8String set, int
collationId) {
+ if (match.contains(UTF8String.fromString(","))) {
+ return 0;
+ }
+
+ StringSearch stringSearch = CollationFactory.getStringSearch(set, match,
collationId);
+
+ String setString = set.toString();
+ int wordStart = 0;
+ while ((wordStart = stringSearch.next()) != StringSearch.DONE) {
+ boolean isValidStart = wordStart == 0 || setString.charAt(wordStart -
1) == ',';
+ boolean isValidEnd = wordStart + stringSearch.getMatchLength() ==
setString.length()
+ || setString.charAt(wordStart + stringSearch.getMatchLength())
== ',';
+
+ if (isValidStart && isValidEnd) {
+ int pos = 0;
+ for (int i = 0; i < setString.length() && i < wordStart; i++) {
+ if (setString.charAt(i) == ',') {
+ pos++;
+ }
+ }
+
+ return pos + 1;
+ }
+ }
+
+ return 0;
+ }
+
+ private static int indexOf(UTF8String target, UTF8String pattern, int
start, int collationId) {
Review Comment:
these parameters should be `final`
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