Github user kaspersorensen commented on a diff in the pull request:
https://github.com/apache/metamodel/pull/160#discussion_r136374486
--- Diff:
core/src/main/java/org/apache/metamodel/schema/MutableRelationship.java ---
@@ -134,4 +139,17 @@ private MutableRelationship(List<Column>
primaryColumns, List<Column> foreignCol
return _foreignColumns;
}
+ private void readObject(ObjectInputStream stream) throws IOException,
ClassNotFoundException {
+ final GetField getFields = stream.readFields();
+ Object primaryColumns = getFields.get("_primaryColumns", null);
+ Object foreignColumns = getFields.get("_foreignColumns", null);
+ if (primaryColumns instanceof Column[] && foreignColumns
instanceof Column[]) {
--- End diff --
In our history it has only been either-or. Of course someone (slightly
crazy) could of course change one of them back to an array and then we'd have
an interesting new issue to work on :-) But I argue that the only scenario
worth worrying about now is that it's the singular "old class format" where
they both where arrays.
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