jw-itq commented on code in PR #10189:
URL: https://github.com/apache/seatunnel/pull/10189#discussion_r2616329757
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seatunnel-api/src/main/java/org/apache/seatunnel/api/table/catalog/TableSchema.java:
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Review Comment:
Sorry, it's my fault for merging the code incorrectly
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seatunnel-api/src/main/java/org/apache/seatunnel/api/table/catalog/TableSchema.java:
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@@ -92,4 +94,113 @@ public TableSchema copy() {
.primaryKey(primaryKey == null ? null : primaryKey.copy())
.build();
}
+
+ /**
+ * Custom deserialization to handle compatibility with older versions.
+ *
+ * <p>In older versions (before 2.3.12), TableSchema directly contained
columns field. In newer
+ * versions, TableSchema extends AbstractSchema which contains columns
field.
+ *
+ * <p>This method ensures that old checkpoint data can be properly
deserialized by using
+ * ObjectInputStream.GetField to read old version fields and properly
initialize the parent
+ * class fields.
+ */
Review Comment:
Sorry, it's my fault for merging the code incorrectly
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