suibianwanwank commented on code in PR #4422:
URL: https://github.com/apache/calcite/pull/4422#discussion_r2153579795
##########
core/src/main/java/org/apache/calcite/sql/type/SqlTypeUtil.java:
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@@ -1419,6 +1419,49 @@ public static boolean equalAsStructSansNullability(
return true;
}
+ /** Returns whether two types are equal, where two ROW types are considered
equal
+ * even if the field names differ. */
+ public static boolean equalUpToFieldNames(RelDataType type1, RelDataType
type2) {
Review Comment:
Does this method express the same logic as the code below? From what I
recall, we should have a similar method:
```
String x = type1.getFullTypeString();
String y = type2.getFullTypeString();
return x.equal(y);
```
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