feat: concurrent transactions on emulator #1578
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The JDBC driver now supports running multiple concurrent transactions on the emulator using a single thread. The emulator still only supports one read/write transaction per database at any time, but the JDBC driver works around this by manually setting a Savepoint after each statement, and using that Savepoint to automatically resume the transaction when it has been aborted by the emulator.
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🤖 I have created a release *beep* *boop* --- ## [2.17.0](https://togithub.com/googleapis/java-spanner-jdbc/compare/v2.16.3...v2.17.0) (2024-04-21) ### Features * Concurrent transactions on emulator ([#1578](https://togithub.com/googleapis/java-spanner-jdbc/issues/1578)) ([0234fb3](https://togithub.com/googleapis/java-spanner-jdbc/commit/0234fb3eb43695c657b845946e6d1122827dcae5)) * Support endpoint connection URL property ([#1582](https://togithub.com/googleapis/java-spanner-jdbc/issues/1582)) ([b589c96](https://togithub.com/googleapis/java-spanner-jdbc/commit/b589c96a3187390e9ffa576d1e0ee285e223c559)) * Support max_commit_delay ([#1581](https://togithub.com/googleapis/java-spanner-jdbc/issues/1581)) ([06e43c0](https://togithub.com/googleapis/java-spanner-jdbc/commit/06e43c05a65f25da9a4dbff73e2e75c1b5ec155b)) * Support statement tags in hints ([#1579](https://togithub.com/googleapis/java-spanner-jdbc/issues/1579)) ([0c3aec1](https://togithub.com/googleapis/java-spanner-jdbc/commit/0c3aec1a5eec212e9ecacc7bec7f2a8980c9af78)) --- This PR was generated with [Release Please](https://togithub.com/googleapis/release-please). See [documentation](https://togithub.com/googleapis/release-please#release-please).
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The JDBC driver now supports running multiple concurrent transactions on the emulator using a single thread. The emulator still only supports one read/write transaction per database at any time, but the JDBC driver works around this by manually setting a Savepoint after each statement, and using that Savepoint to automatically resume the transaction when it has been aborted by the emulator.