xuzifu666 commented on code in PR #4431:
URL: https://github.com/apache/calcite/pull/4431#discussion_r2162906660
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core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java:
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@@ -1655,6 +1655,34 @@ public static String concatMulti(String... args) {
return String.join("", args);
}
+ /** SQL {@code CONCAT(obj0, obj1, obj2, ...)} function. */
+ public static String concatMultiObjects(Object... args) {
Review Comment:
OK, it seems to be different from what I understand. Maybe I need to sort
out these issues again. I will set this PR as a WIP first, and reopen it after
all the tests are completed.
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