macroguo-ghy commented on code in PR #3373:
URL: https://github.com/apache/calcite/pull/3373#discussion_r1297927200
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core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java:
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@@ -816,6 +816,33 @@ public static String charFromUtf8(int n) {
return String.valueOf(Character.toChars(n));
}
+ /**
+ * SQL CODE_POINTS_TO_BYTES function.
+ */
+ public static @Nullable ByteString codePointsToBytes(@Nullable List
codePoints) {
+ if (codePoints == null) {
+ return null;
+ }
+ int length = codePoints.size();
+ byte[] bytes = new byte[length];
+ for (int i = 0; i < length; i++) {
+ Object codePoint = codePoints.get(i);
Review Comment:
because of `bytes[i] = (byte) cp;`, I need to know the index in the loop for
byte array assignment.
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