Accept JDBC connection string starting with "jdbc:spanner" used by Spanner Omni#3559
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This pull request updates the RdbEngineFactory to recognize the jdbc:spanner JDBC URL prefix, enabling support for Spanner Omni. A review comment suggests appending a trailing colon to the new prefix to maintain consistency with other database protocols and prevent potential false matches.
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Pull request overview
This PR updates ScalarDB’s JDBC engine selection to recognize Spanner JDBC URLs that start with jdbc:spanner: (used by Spanner Omni), in addition to the existing jdbc:cloudspanner: prefix, so Spanner connections aren’t rejected based solely on URL scheme.
Changes:
- Extend
RdbEngineFactoryURL prefix matching to treatjdbc:spanner:as Spanner. - Keep Spanner engine selection behavior unchanged otherwise (still routes to
RdbEngineSpanner).
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Description
Google Cloud Spanner uses a JDBC connection string starting with
jdbc:cloudspanner:but Spanner Omni documentation uses a connection string starting withjdbc:spanner:. Currently, ScalarDB only accepts the former and rejects the latter. This PR makes sure both connection string patterns are accepted.Note
Using a
jdbc:cloudspanner:connection string with Spanner Omni is possible.Related issues and/or PRs
Changes made
jdbc:spanner:as a valid connection string pattern for Spanner.Checklist
Additional notes (optional)
N/A
Release notes
Accepts connection string starting with
jdbc:spannerto connect to Spanner (emulator, omni, and cloud instance) in addition to the already supportedjdbc:cloudspannerpattern.