uros-db commented on code in PR #48386:
URL: https://github.com/apache/spark/pull/48386#discussion_r1793049277
##########
common/unsafe/src/main/java/org/apache/spark/sql/catalyst/util/CollationFactory.java:
##########
@@ -538,27 +542,63 @@ private static boolean isValidCollationId(int
collationId) {
@Override
protected Collation buildCollation() {
if (caseSensitivity == CaseSensitivity.UNSPECIFIED) {
+ Comparator<UTF8String> comparator;
+ ToLongFunction<UTF8String> hashFunction;
+ BiFunction<UTF8String, UTF8String, Boolean> equalsFunction;
+ boolean supportsSpaceTrimming = spaceTrimming != SpaceTrimming.NONE;
+
+ if(spaceTrimming == SpaceTrimming.NONE) {
+ comparator = UTF8String::binaryCompare;
+ hashFunction = s -> (long) s.hashCode();
+ equalsFunction = UTF8String::equals;
+ }else {
Review Comment:
```suggestion
} else {
```
##########
common/unsafe/src/main/java/org/apache/spark/sql/catalyst/util/CollationFactory.java:
##########
@@ -538,27 +542,63 @@ private static boolean isValidCollationId(int
collationId) {
@Override
protected Collation buildCollation() {
if (caseSensitivity == CaseSensitivity.UNSPECIFIED) {
+ Comparator<UTF8String> comparator;
+ ToLongFunction<UTF8String> hashFunction;
+ BiFunction<UTF8String, UTF8String, Boolean> equalsFunction;
+ boolean supportsSpaceTrimming = spaceTrimming != SpaceTrimming.NONE;
+
+ if(spaceTrimming == SpaceTrimming.NONE) {
+ comparator = UTF8String::binaryCompare;
+ hashFunction = s -> (long) s.hashCode();
+ equalsFunction = UTF8String::equals;
+ }else {
+ comparator = (s1, s2) -> applyTrimmingPolicy(s1,
spaceTrimming).binaryCompare(
+ applyTrimmingPolicy(s2, spaceTrimming));
Review Comment:
```suggestion
comparator = (s1, s2) -> applyTrimmingPolicy(s1,
spaceTrimming).binaryCompare(
applyTrimmingPolicy(s2, spaceTrimming));
```
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