xuzifu666 commented on code in PR #4431:
URL: https://github.com/apache/calcite/pull/4431#discussion_r2160632255
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core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java:
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@@ -1651,8 +1651,31 @@ public static ByteString concat(ByteString s0,
ByteString s1) {
}
/** SQL {@code CONCAT(arg0, arg1, arg2, ...)} function. */
- public static String concatMulti(String... args) {
- return String.join("", args);
+ public static String concatMulti(Object... args) {
Review Comment:
Thanks for reminder，I am not sure whether this is the case with BigQuery,
and there is no relevant environment to test and verify it locally. In
addition, the current main issue is the concat issue of MySQL, so for the sake
of insurance, I had isolated MySQL and BigQuery separately.
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