uros-db commented on code in PR #46720:
URL: https://github.com/apache/spark/pull/46720#discussion_r1612994451
##########
common/unsafe/src/main/java/org/apache/spark/sql/catalyst/util/CollationSupport.java:
##########
@@ -208,87 +208,99 @@ public static boolean execICU(final UTF8String l, final
UTF8String r,
public static class Upper {
public static UTF8String exec(final UTF8String v, final int collationId) {
CollationFactory.Collation collation =
CollationFactory.fetchCollation(collationId);
- if (collation.supportsBinaryEquality ||
collation.supportsLowercaseEquality) {
+ if (collation.supportsBinaryEquality) {
return execUTF8(v);
- } else {
+ } else if (collation.supportsLowercaseEquality) {
+ return execLowercase(v);
+ } else {
return execICU(v, collationId);
}
}
public static String genCode(final String v, final int collationId) {
CollationFactory.Collation collation =
CollationFactory.fetchCollation(collationId);
String expr = "CollationSupport.Upper.exec";
- if (collation.supportsBinaryEquality ||
collation.supportsLowercaseEquality) {
+ if (collation.supportsBinaryEquality) {
return String.format(expr + "UTF8(%s)", v);
- } else {
+ } else if (collation.supportsLowercaseEquality) {
+ return String.format(expr + "Lowercase(%s)", v);
+ } else {
return String.format(expr + "ICU(%s, %d)", v, collationId);
}
}
public static UTF8String execUTF8(final UTF8String v) {
return v.toUpperCase();
}
+ public static UTF8String execLowercase(final UTF8String v) {
+ return CollationAwareUTF8String.toUpperCase(v);
+ }
public static UTF8String execICU(final UTF8String v, final int
collationId) {
- return
UTF8String.fromString(CollationAwareUTF8String.toUpperCase(v.toString(),
collationId));
+ return CollationAwareUTF8String.toUpperCase(v, collationId);
}
}
public static class Lower {
public static UTF8String exec(final UTF8String v, final int collationId) {
CollationFactory.Collation collation =
CollationFactory.fetchCollation(collationId);
- if (collation.supportsBinaryEquality ||
collation.supportsLowercaseEquality) {
+ if (collation.supportsBinaryEquality) {
return execUTF8(v);
+ } else if (collation.supportsLowercaseEquality) {
+ return execLowercase(v);
} else {
return execICU(v, collationId);
}
}
public static String genCode(final String v, final int collationId) {
CollationFactory.Collation collation =
CollationFactory.fetchCollation(collationId);
String expr = "CollationSupport.Lower.exec";
- if (collation.supportsBinaryEquality ||
collation.supportsLowercaseEquality) {
+ if (collation.supportsBinaryEquality) {
return String.format(expr + "UTF8(%s)", v);
- } else {
+ } else if (collation.supportsLowercaseEquality) {
+ return String.format(expr + "Lowercase(%s)", v);
+ } else {
return String.format(expr + "ICU(%s, %d)", v, collationId);
}
}
public static UTF8String execUTF8(final UTF8String v) {
return v.toLowerCase();
}
+ public static UTF8String execLowercase(final UTF8String v) {
+ return CollationAwareUTF8String.toLowerCase(v);
+ }
public static UTF8String execICU(final UTF8String v, final int
collationId) {
- return
UTF8String.fromString(CollationAwareUTF8String.toLowerCase(v.toString(),
collationId));
+ return CollationAwareUTF8String.toLowerCase(v, collationId);
}
}
public static class InitCap {
public static UTF8String exec(final UTF8String v, final int collationId) {
CollationFactory.Collation collation =
CollationFactory.fetchCollation(collationId);
- if (collation.supportsBinaryEquality ||
collation.supportsLowercaseEquality) {
+ if (collation.supportsBinaryEquality) {
return execUTF8(v);
+ } else if (collation.supportsLowercaseEquality) {
+ return execLowercase(v);
} else {
return execICU(v, collationId);
}
}
-
public static String genCode(final String v, final int collationId) {
CollationFactory.Collation collation =
CollationFactory.fetchCollation(collationId);
String expr = "CollationSupport.InitCap.exec";
- if (collation.supportsBinaryEquality ||
collation.supportsLowercaseEquality) {
+ if (collation.supportsBinaryEquality) {
return String.format(expr + "UTF8(%s)", v);
+ } else if (collation.supportsLowercaseEquality) {
+ return String.format(expr + "Lowercase(%s)", v);
} else {
return String.format(expr + "ICU(%s, %d)", v, collationId);
}
}
-
public static UTF8String execUTF8(final UTF8String v) {
return v.toLowerCase().toTitleCase();
}
-
Review Comment:
(btw this is no longer relevant for the current PR)
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