csun5285 commented on code in PR #51145:
URL: https://github.com/apache/doris/pull/51145#discussion_r2115042154
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/ArrayJoin.java:
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@@ -60,6 +62,15 @@ public ArrayJoin(Expression arg0, Expression arg1,
Expression arg2) {
super("array_join", arg0, arg1, arg2);
}
+ @Override
+ public void checkLegalityBeforeTypeCoercion() {
+ DataType argType = child(0).getDataType();
+ if (((ArrayType) argType).getItemType().isComplexType()) {
Review Comment:
BE doesnât support this
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