snuyanzin commented on code in PR #29004:
URL: https://github.com/apache/flink/pull/29004#discussion_r3837747875
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flink-table/flink-table-runtime/src/main/java/org/apache/flink/table/runtime/functions/SqlFunctionUtils.java:
##########
@@ -310,26 +310,12 @@ public static String lpad(String base, int len, String
pad) {
return "";
}
- char[] data = new char[len];
- char[] baseChars = base.toCharArray();
- char[] padChars = pad.toCharArray();
+ int baseEnd = endOfCodePoints(base, len);
+ int padChars = padLength(pad, len - base.codePointCount(0, baseEnd));
+ char[] data = new char[padChars + baseEnd];
Review Comment:
```suggestion
final int baseEnd = endOfCodePoints(base, len);
final int padChars = padLength(pad, len - base.codePointCount(0,
baseEnd));
final char[] data = new char[padChars + baseEnd];
```
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