XieJiann commented on code in PR #23627:
URL: https://github.com/apache/doris/pull/23627#discussion_r1309609277
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/IdenticalSignature.java:
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@@ -33,6 +35,12 @@ public interface IdenticalSignature extends ComputeSignature
{
static boolean isIdentical(DataType signatureType, DataType realType) {
try {
// TODO: copy matchesType to DataType
+ // TODO: resolve AnyDataType invoke toCatalogDataType
+ if (signatureType instanceof ArrayType) {
+ if (((ArrayType) signatureType).getItemType() instanceof
AnyDataType) {
+ return false;
+ }
+ }
Review Comment:
return null /special catalog type for any data type may be better?
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