yuqi1129 commented on code in PR #13603:
URL: https://github.com/apache/gravitino/pull/13603#discussion_r4142019824
##########
core/src/main/java/org/apache/gravitino/catalog/TableOperationDispatcher.java:
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@@ -770,7 +773,20 @@ private boolean isSameColumn(Column left, int
columnPosition, ColumnEntity right
&& Objects.equal(left.comment(), right.comment())
&& left.nullable() == right.nullable()
&& left.autoIncrement() == right.autoIncrement()
- && Objects.equal(left.defaultValue(), right.defaultValue());
+ && isSameDefaultValue(left.defaultValue(), right.defaultValue());
+ }
+
+ private boolean isSameDefaultValue(Expression left, Expression right) {
+ // Connector snapshots use DTOs, while relational storage restores API
expressions. Compare
+ // their persisted representation rather than implementation-specific
equals methods.
+ return Objects.equal(toDefaultValueArg(left), toDefaultValueArg(right));
Review Comment:
fix
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