dimas-b commented on code in PR #2653:
URL: https://github.com/apache/polaris/pull/2653#discussion_r2379878857
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persistence/relational-jdbc/src/main/java/org/apache/polaris/persistence/relational/jdbc/models/SchemaVersion.java:
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@@ -25,6 +25,8 @@
import org.apache.polaris.persistence.relational.jdbc.DatabaseType;
public class SchemaVersion implements Converter<SchemaVersion> {
+ public static final SchemaVersion MINIMUM = new SchemaVersion(0);
Review Comment:
I do not think we have any formal requirement for the schema versions to be
comparable to each other numerically.
Current JDBC Persistence code makes some numerical comparisons, but I tend
to think that this is an implementation concern. As long as the interpretation
of schema version numbers is consistent with the schemas themselves, the code
it fine.
With that in mind, using `0` for missing schema information should produce
correct runtime behaviour, as far as I can tell.
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