morrySnow commented on code in PR #26270:
URL: https://github.com/apache/doris/pull/26270#discussion_r1379536737
##########
fe/fe-common/src/main/java/org/apache/doris/catalog/Type.java:
##########
@@ -2169,6 +2210,17 @@ public static boolean matchExactType(Type type1, Type
type2, boolean ignorePreci
return false;
}
return matchExactType(((ArrayType) type2).getItemType(),
((ArrayType) type1).getItemType());
+ } else if (type2.isMapType()) {
+ // For types array, we also need to check contains null for
case like
+ // cast(array<not_null(int)> as array<int>)
+ if (!((MapType) type2).getIsKeyContainsNull() == ((MapType)
type1).getIsKeyContainsNull()) {
Review Comment:
```suggestion
if (((MapType) type2).getIsKeyContainsNull() != ((MapType)
type1).getIsKeyContainsNull()) {
```
##########
fe/fe-common/src/main/java/org/apache/doris/catalog/Type.java:
##########
@@ -2169,6 +2210,17 @@ public static boolean matchExactType(Type type1, Type
type2, boolean ignorePreci
return false;
}
return matchExactType(((ArrayType) type2).getItemType(),
((ArrayType) type1).getItemType());
+ } else if (type2.isMapType()) {
+ // For types array, we also need to check contains null for
case like
+ // cast(array<not_null(int)> as array<int>)
+ if (!((MapType) type2).getIsKeyContainsNull() == ((MapType)
type1).getIsKeyContainsNull()) {
+ return false;
+ }
+ if (!((MapType) type2).getIsValueContainsNull() == ((MapType)
type1).getIsValueContainsNull()) {
Review Comment:
```suggestion
if (((MapType) type2).getIsValueContainsNull() != ((MapType)
type1).getIsValueContainsNull()) {
```
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