gengliangwang commented on code in PR #55590:
URL: https://github.com/apache/spark/pull/55590#discussion_r3157912251
##########
sql/catalyst/src/main/java/org/apache/spark/sql/connector/catalog/constraints/BaseConstraint.java:
##########
@@ -74,13 +74,11 @@ public String toDDL() {
}
public String toDescription() {
Review Comment:
Since this PR establishes the invariant `toDDL == "CONSTRAINT " + name + " "
+ toDescription`, consider implementing it structurally so the two methods
can't drift apart, e.g. simplify `toDDL` above to:
```java
@Override
public String toDDL() {
// The validation status is not included in the DDL output as it's not
part of
// the Spark SQL syntax for constraints.
return "CONSTRAINT " + name + " " + toDescription();
}
```
This also removes the duplicated `String.format` template.
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