v3.5.0

Enhancements

• Make JDBC isolation level configurable (#412)
• Support parallel preparation/commit/rollback in Consensus Commit (#438)
• Support async commit/rollback in Consensus Commit (#445)
• Add connection pool configurations for JdbcAdmin (#458)
• Add TransactionalTableMetadataManager (#465)
• Support parallel validation for EXTRA_READ in Consensus Commit (#459)
• Add ByteBuffer support for Blob type (#497)
• Add ByteBuffer support to Value (#508)

Improvements

• Refactor DistributedStorageAdmin (#405)
• Move ReadRepairableExecutionException to the Cassandra package (#411)
• Throw RetriableExecutionException when TransactionConflict happens in the Dynamo adapter (#407)
• Throw RetriableExecutionException in mutate operations when conflicts happen in the JDBC adapter (#408)
• Handle RetriableExecutionException in ConsensusCommit (#409)
• Move Isolation to the consensuscommit package (#404)
• Result.getClusteringKey() should return empty when there is no clustering key (#410)
• Use the internal JRE Docker image to avoid CVE fixing commands (#420)
• Revisit logging in Consensus Commit (#419)
• Remove synchronized from ConsensusCommitManager (#418)
• Upgrade supported storage database version in the CI (#416)
• Refactor OperationChecker (#423)
• Add SCALAR_DB_SERVER_PORT to database.properties.tmpl (#426)
• Rename utility classes for consistency (#425)
• Upgrade log4j version (#429)
• Filter transactional columns and support projection for get/scan in Consensus Commit (#428)
• Use different datasource for table metadata in JDBC adapter (#431)
• Remove TransactionRuntimeException (#430)
• Move CoordinatorException to the consensuscommit package (#434)
• Upgrade log4j to 2.17.0 (#436)
• Add end-to-end test for schema loader to CI (#349)
• Refactor integration tests (#442)
• Upgrade log4j to 2.17.1 (#449)
• Refactor Schema Loader (#448)
• Rename JdbcDatabaseAdmin to JdbcAdmin (#456)
• Deprecate XXXService classes (#455)
• Refactor TableMetadataManager (#454)
• Refactor JDBC adapter (#468)
• Sort order for Scan without orderings should follow clustering order in Cosmos adapter (#473)
• Allow getting already written data in Consensus Commit (#474)
• Rename JDBC integration tests (#475)
• Handle SQL Server conflict error (#478)
• Add more integration tests for Scan (#477)
• Increase no_output_timeout for Cosmos DB adapter CI (#483)
• Use only id and version to check if a read record is not changed in the validation in EXTRA_READ (#482)
• Add annotations (#491)
• Move ResultImpl to the util package (#492)
• Unnecessary columns are not read any more in Consensus Commit (#488)
• Add constructors to ConditionalExpression (#496)
• Use before image column names from TransactionalTableMetadata in RollbackMutationComposer (#494)
• Revisit Key construction (#447)
• Should not change states of operation instances passed as arguments (#498)
• Classes/Methods deprecated in 3.x should be removed in 5.0.0 (#506)
• Reduce Intellij warnings (#503)
• Change Key builder (#504)
• Move the rollbackRecords method from RecoveryHandler to CommitHandler (#500)
• Revisit logging (#502)
• Refactor Scalar DB Server code (#453)
• Add ConfigUtils.getStringArray() (#501)
• Rename keyspace to namespace in unit tests (#507)

Bug fixes

• Add mergeServiceFiles for shadowJar in Schema Loader (#406)
• Fix get tables in Dynamo adapter when actual number of tables exceed the maximum in a response. (#415)
• Restore JdbcUtils.initDataSource(JdbcConfig config) (#417)
• Log in GitHub Container Registry first (#421)
• Add -u option for Cosmos DB in schema loader for backward compatibility (#440)
• Should close FileInputStream in XXXConfig (#451)
• Should rollback a transaction when expiring it in Two-phase commit transactions (#452)
• Transactions that have multiple scans are always rejected in EXTRA_READ (#457)
• Handling namespaces/tables/columns with reserved keywords in Cassandra and JDBC adapters (#441)
• Handling namespaces/tables/columns with reserved keywords in DynamoDB adapter (#462)
• Handling namespaces/tables/columns with reserved keywords in Cosmos DB adapter (#461)
• Fix OperationChecker for mutation operations (#476)
• Fix Scan logic in CrudHandler in Consensus Commit (#479)
• Should not publish a fat jar for Schema Loader to the maven repository (#490)
• Update PostgreSQL driver version for vulnerability fix (#493)

Documentation

• Update the Scalar DB version in README (#403)
• Update schema-loader javadoc to fix warning (#413)
• Update the Scalar DB version of the dependency in README (#433)
• Improve Getting Started with Scalar DB on X (#432)
• Add gRPC deadline duration configuration to the Scalar DB Server documentation (#437)
• Update the Getting Started doc and code (#446)
• Add A Guide on How to Handle Exceptions (#450)
• Update Scalar DB backup and restoration guide (#486)
• Support SQL Server and Amazon Aurora officially (#499)
• Update the Scalar DB version of the dependency in README (#509)

v3.4.2

Improvements

• Upgrade log4j to 2.17.0 (#436)
• Add end-to-end test for schema loader to CI (#349)
• Upgrade log4j to 2.17.1 (#449)
• Refactor Schema Loader (#448)

Bug fixes

• Add -u option for Cosmos DB in schema loader for backward compatibility (#440)
• Should close FileInputStream in XXXConfig (#451)
• Should rollback a transaction when expiring it in Two-phase commit transactions (#452)
• Transactions that have multiple scans are always rejected in EXTRA_READ (#457)
• Handling namespaces/tables/columns with reserved keywords in Cassandra and JDBC adapters (#441)
• Handling namespaces/tables/columns with reserved keywords in DynamoDB adapter (#462)
• Handling namespaces/tables/columns with reserved keywords in Cosmos DB adapter (#461)
• Fix OperationChecker for mutation operations (#476)
• Should not publish a fat jar for Schema Loader to the maven repository (#490)
• Update PostgreSQL driver version for vulnerability fix (#493)

v3.3.3

Improvements

• Upgrade log4j to 2.17.0 (#436)
• Upgrade log4j to 2.17.1 (#449)

Bug fixes

• Add -u option for Cosmos DB in schema loader for backward compatibility (#440)
• Should close FileInputStream in XXXConfig (#451)
• Should rollback a transaction when expiring it in Two-phase commit transactions (#452)
• Transactions that have multiple scans are always rejected in EXTRA_READ (#457)
• Handling namespaces/tables/columns with reserved keywords in Cassandra and JDBC adapters (#441)
• Handling namespaces/tables/columns with reserved keywords in DynamoDB adapter (#462)
• Handling namespaces/tables/columns with reserved keywords in Cosmos DB adapter (#461)
• Fix OperationChecker for mutation operations (#476)
• Update PostgreSQL driver version for vulnerability fix (#493)

v3.4.1

Improvements

• Move Isolation to the consensuscommit package (#404)
• Upgrade log4j version (#429)

Bug fixes

• Add mergeServiceFiles for shadowJar in Schema Loader (#406)
• Fix get tables in Dynamo adapter when actual number of tables exceed the maximum in a response. (#415)

v3.3.2

Improvements

• Upgrade log4j version (#429)

Bug fixes

• Add mergeServiceFiles for shadowJar in Schema Loader (#406)

v3.2.3

Improvements

• Upgrade log4j version (#429)

v3.1.3

Improvements

• Upgrade log4j version (#429)

v3.4.0

Enhancements

• Add ConsensusCommitUtils (#367)
• Add KeyBytesEncoder that converts a key to bytes while preserving the sort order (#369)
• Add clustering order support to JDBC adapter (#378)
• Add clustering order support to Dynamo adapter (#385)
• Add supporting schema creation/deletion can be called from program (#366)

Improvements

• Refactor XXXConfig classes (#372)
• Remove UnsupportedTypeException (#373)
• Add null or empty check for partition key and clustering key (#370)
• Allow empty value for partition key and clustering key (#374)
• Add dockerize to Dockerfile for grpc-server (#376)
• Add more tests to the multiple clustering key integration test (#380)
• Refactor CosmosAdmin (#382)
• Disallow empty values for Partition key and Clustering key (#381)
• DynamoDB sort key optimization (#375)
• Add single clustering key scan integration test (#386)
• Add column value integration test (#387)
• Add secondary index integration test (#389)
• Add partition key integration tests (#388)
• Add syntax highlighting for the dependency in README.md (#384)
• Run integration tests concurrently (#390)
• Introduce prometheus simpleclient_hotspot (#391)
• Add integration tests for clustering order (#393)
• Reduce integration test concurrency (#397)
• Add some more admin integration tests (#394)
• Modify Dockerfile to run as non-root (#395)
• Add -XX:MaxRAMPercentage parameter to SCALARDB_SERVER_OPTS (#392)
• Improve KeyBytesEncoderTest (#379)
• Reduce Intellij warnings (#400)
• Adjust integration test concurrency (#399)
• Small fix for release.yaml (#402)

Bug fixes

• Fix hashCode() in XXXValue and Key classes (#377)
• Should show the warning message only when specifying storage specific options (#396)
• Should add a suffix to the metadata table name in DynamoWithReservedKeywordIntegrationTest (#401)

Documentation

• Improve Multi-storage documentation (#365)
• Improve Schema loader document (#368)

v3.3.1

Improvements

• Add more tests to the multiple clustering key integration test (#380)
• Add single clustering key scan integration test (#386)
• Add column value integration test (#387)
• Add secondary index integration test (#389)
• Add partition key integration tests (#388)
• Run integration tests concurrently (#390)
• Reduce integration test concurrency (#397)
• Adjust integration test concurrency (#399)

Bug fixes

• Fix hashCode() in XXXValue and Key classes (#377)
• Should show the warning message only when specifying storage specific options (#396)
• Should add a suffix to the metadata table name in DynamoWithReservedKeywordIntegrationTest (#401)

v3.2.2

Improvements

• Add more tests to the multiple clustering key integration test (#380)
• Add column value integration test (#387)
• Add secondary index integration test (#389)
• Add partition key integration tests (#388)

Bug fixes

• Fix hashCode() in XXXValue and Key classes (#377)