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)

v3.3.0

Enhancements

• Add ConsensusCommitAdmin that manages transactional tables and coordinator table (#314)
• Make Coordinator namespace name configurable (#320)
• Make table metadata namespace name configurable in DynamoDB adapter (#323)
• Make table metadata schema name configurable in JDBC adapter (#324)
• Make table metadata database name configurable in Cosmos DB adapter (#322)
• Add Table metadata cache expiration configuration (#321)
• Add ifExists support to dropNamespace() and dropTable() in DistributedStorageAdmin (#330)
• Add methods to truncate and drop coordinator table to ConsensusCommitAdmin (#329)
• Add Clustering order support to Cosmos DB adapter (#345)
• Add tableExists method (#351)
• Implementation of schema tool in Java (#280)
• Add Schema loader things to the release action (#363)
• Add dockerizing for the schema-loader (#350)

Improvements

• Remove metadata from Coordinator (#315)
• Refactoring dynamo integration tests (#318)
• Refactor XXXAdmin (#317)
• Create Coordinator namespace in ConsensusCommitAdmin (#325)
• Make Coordinator backward compatible (#331)
• Refactor integration tests (#332)
• Remove namespace prefix (#333)
• Add no_output_timeout option for Cosmos DB integration test (#334)
• Disallow using BLOB type for clustering keys in Cosmos DB adapter (#339)
• Restrict BigIntValue range (#340)
• Refactor JdbcDatabaseAdmin (#338)
• Use composite index in Cosmos DB adapter (#335)
• Make command line params more flexible in Schema loader (#342)
• Add Gradle options for disabling Gradle daemon in the CI (#343)
• Add integration tests for scanning operations on multiple clustering keys (#319)
• Fix a javadoc warning (#353)
• Add some reports to CI (#354)
• Delete unnecessary files (#355)
• Upgrade AWS SDK version (#356)
• Make properties in DatabaseConfig visible (#357)
• Use log4j2 in Scalar DB server (#358)
• Schema loader return proper exit code, add a deprecated warning when using storage-specific command, remove Powermock (#348)
• Use MockitoAnnotations.openMocks() instead of MockitoAnnotations.initMocks() (#360)
• Change the default values of JDBC connection pool configurations (#361)

Bug fixes

• Fixed broken link. (#313)
• Correct comparator of item sorter in Dynamo DB adapter (#327)
• FloatValue should be mapped to double type in MySQL (#337)
• Fix duplicate of equal fields in the query when do range scanning with multiple clustering keys in Cassandra adapter (#328)
• Fix default collation of tables when creating in JDBC DBs, make them be consistent with others. (#336)
• Using scan to count items in the table instead of using table description. (#341)
• Fix command options are invalid when dispatching to storage specific command in schema loader (#346)
• Dynamo Admin wait for continuous backup enabled already before updating point-in-time recovery, wait for deletion of table finish (#347)

Documentation

• Refactor documentation (#364)
• Update documents that are related to schema loader (#352)

v3.2.1

Improvements

• Disallow using BLOB type for clustering keys in Cosmos DB adapter (#339)
• Restrict BigIntValue range (#340)
• Upgrade AWS SDK version (#356)
• Refactor XXXAdmin (#317)
• Use log4j2 in Scalar DB server (#358)
• Change libssl and openssl versions in Dockerfile in scalar-schema (#362)

Bug fixes

• FloatValue should be mapped to double type in MySQL (#337)
• Fix duplicate of equal fields in the query when do range scanning with multiple clustering keys in Cassandra adapter (#328)
• Fix default collation of tables when creating in JDBC DBs, make them be consistent with others. (#336)
• Fixed broken link. (#313)
• Correct comparator of item sorter in Dynamo DB adapter (#327)
• Using scan to count items in the table instead of using table description. (#341)
• Dynamo Admin wait for continuous backup enabled already before updating point-in-time recovery, wait for deletion of table finish (#347)

v3.1.2

Improvements

• Fix CVE-2021-3711 (#298)
• Add .gitignore (#289)
• Upgrade AWS SDK version (#356)
• Use log4j2 in Scalar DB server (#358)

Bug fixes

• Fix cqlsh install failure (#359)
• Fix duplicate of equal fields in the query when do range scanning with multiple clustering keys in Cassandra adapter (#328)
• Correct comparator of item sorter in Dynamo DB adapter (#327)

v3.2.0

Enhancements

• Implement addition and deletion of metadata table for jdbc metadata manager (#259)
• Add useful constructors to Key with a single value (#265)
• add scalar-schema dockerfile (#266)
• Add integration test for JDBC SqlServer to the CI configuration (#269)
• Add create, truncate and delete table implementation to JDBCAdmin (#270)
• Introduce factory classes to instantiate storage and transaction (#276)
• Add create, truncate and delete table implementation to Cassandra Admin (#278)
• Add Two-phase Consensus Commit (#299)
• Support Two-phase Commit Transactions in Scalar DB server (#302)
• Add active_transactions_management config to GrpcTwoPhaseCommitTransactionManager (#304)
• Implementation of Dynamo Admin module (#301)

Improvements

• Refactor build.gradle (#261)
• Disable Prometheus HTTP endpoint when the port is specified to zero in Scalar DB server (#260)
• Introduce Spotbugs plugin (#262)
• Introduce Error Prone plugin (#263)
• Use the new utility methods/constructors (#268)
• Rename the integrationTest source set to integrationTestAll (#272)
• Add publishToMavenLocal for archiving and uploading to maven central (#273)
• Reduce the Cassandra heap size for the multi-storage integration test (#275)
• Refactor Prometheus exporter (#274)
• Fix optimization warnings (#279)
• Add a new createTable() method without any options to DistributedStorageAdmin (#281)
• Update scalar db compatibility matrix (#282)
• Reduce IntelliJ warnings (#287)
• Add .gitignore (#289)
• Add some attributes to Oracle tables for performance (#285)
• Rename metrics names of Scalar DB server (#277)
• Update Cassandra & Jdbc admin with new interface (#288)
• Use Cassandra Admin in MultiStorage integration test (#292)
• Rename CassandraAdmin network-strategy to replication-strategy (#293)
• Finalize Cosmos DB Admin implementation (#290)
• Separate consensus commit related config from DatabaseConfig (#294)
• Add tests for getState() and abort() in DistributedTransactionManager to the ConsensusCommit integration test (#295)
• Update MultiStorageAdmin with new interface (#296)
• Update GrpcAdmin with new interface (#297)
• Fix CVE-2021-3711 (#298)
• Remove unchecked warnings (#305)
• Fix typos (#306)
• Fix Javadoc related things (#307)
• Upgrade the Error Prone plugin (#308)
• Add Javadoc for DistributedStorageAdmin (#309)
• Change service name of TwoPhaseCommitTransactionService (#310)
• Refactor CassandraAdmin and CosmosAdmin (#311)
• Introduce GateKeeper that manages the front gate of the server that processes requests (#291)

Bug fixes

• Use column name alias for projection expressions in the DynamoDB adapter (#264)

Documentation

• Add Scalar DB supported databases (#249)
• Update the Javadoc URL (#267)
• Update the Getting Started (#283)
• Update the JDBC document for the Oracle support (#284)
• Update Scalar DB Server Sample URL (#300)
• Add documentation for Two-phase Commit Transactions (#303)

v3.1.1

Enhancements

• Add useful constructors to Key with a single value (#265)
• add scalar-schema dockerfile (#266)
• Add integration test for JDBC SqlServer to the CI configuration (#269)
• Introduce factory classes to instantiate storage and transaction (#276)

Improvements

• Refactor build.gradle (#261)
• Introduce Spotbugs plugin (#262)
• Introduce Error Prone plugin (#263)
• Use the new utility methods/constructors (#268)
• Rename the integrationTest source set to integrationTestAll (#272)
• Add publishToMavenLocal for archiving and uploading to maven central (#273)
• Reduce the Cassandra heap size for the multi-storage integration test (#275)

Bug fixes

• Use column name alias for projection expressions in the DynamoDB adapter (#264)

v3.0.2

Bug fixes

• Use column name alias for projection expressions in the DynamoDB adapter (#264)

v3.1.0

Enhancements

• Expose the Prometheus HTTP endpoint port in the Scalar DB server Docker image (#251)
• Refactoring the code around DatabaseConfig (#247)
• Support Prometheus in Scalar DB Server (#246)
• Add metrics to Scalar DB Server (#245)
• Add the admin interface to Scalar DB server (#240)
• Add transaction manager config (#239)
• Make Scalar DB transactions be able to abort eagerly (#238)
• Add Docker support for Scalar DB Server (#227)
• Add gPRC layer for DistributedTransaction (#216)
• Add gPRC layer for DistributedStorage and DistributedStorageAdmin (#210)
• Introduce DistributedStorageAdmin that is an administrative interface for distributed storage implementations (#204)
• Fix warnings of raw use of parameterized class for the Value class (#196)
• Refactor some configuration names (#179)
• Add a new storage implementation for multi-storage (#174)

Improvements

• Some more release related changes (#258)
• Some changes for release (#257)
• Some changes related to release (#256)
• Use the Scalar DB server default port if not specified in the Scalar DB server client (#250)
• Support deadline in Scalar DB Server clients (#248)
• Support graceful shutdown (#244)
• Some refactoring for the implementations of DistributedStorageAdmin (#243)
• Use Uninterruptibles in Guava (#242)
• Revisit the code around onCompleted() in bidirectional streaming of gRPC (#241)
• Reorganize the protocol buffer messages for DistributedTransaction (#236)
• Use bidirectional streaming RPCs for scan operations in DistributedStorageService (#235)
• Add unit tests for ServerConfig (#232)
• Rename some classes in the Server project (#231)
• Make DistributedStorageAdmin throw ExecutionException (#230)
• Use bidirectional streaming RPCs in DistributedTransactionService (#228)
• Delete unnecessary files (#224)
• Introduce Spotless plugin for code format (#223)
• Reorganize the CI config (#222)
• Convert the project to multi-project (#221)
• Some refactoring for the gRPC services (#220)
• Upgrade Cosmos DB client (#218)
• Upgrade the gradle build to 7 (#217)
• Refactor the integration tests for transaction (#215)
• Rename JdbcAdminIntegrationTest to JdbcDatabaseAdminIntegrationTest (#214)
• Some refactoring for JdbcTransaction (#213)
• Remove InvalidUsageException for transaction (#212)
• Add another constructor to PutIf and DeleteIf (#211)
• Support the endpoint override feature for Dynamo (#209)
• Support namespace mappings in MultiStorage (#207)
• Add some more useful methods to Key.Builder (#206)
• Remove MultiPartitionException (#205)
• Refactor the code around Scanner (#203)
• Allow username and password to be null in DatabaseConfig (#201)
• Refactor the code around metadata (#199)
• Add utility methods for Value/Put and a builder class for Key (#198)
• Refactor exceptions in Scalar DB for easier retry handling (#197)
• upgrade guice version to 5.0.1 for java 11 compatibility (#194)
• Add a validation that checks not to use BOOLEAN type for a clustering key or a secondary index in Schema Tool for DynamoDB (#192)
• Use "FETCH FIRST n ROWS ONLY" instead of ROWNUM for LIMIT for Oracle (#191)
• Add integration test for Oracle to CI (#190)
• Refactor Scalar Schema tool for more consistency (#188)
• Unify the behavior with -D (deleting all tables) in Schema Tool (#184)
• Add support for endpoint_override in Schema Tool for DynamoDB (#183)
• Change the text data type from varchar to varchar2 in the JDBC adapter for Oracle (#182)
• Unify the behavior between the adapters when a specified table in a operation is not found (#178)
• Fix scan related tests in Scalar DB (#177)
• Extend the ConsensusCommit integration tests to cover multi-table transactions (#176)
• Unify the integration tests of Scalar DB on X (#172)
• Specify a driver class corresponding to the JDBC URL to the dataSource (#170)
• Unify the operation check logic of the adapters (#169)
• Change metadata of partition key and clustering key from Set to LinkedHashSet to keep the order (#168)
• Add the integration tests for the Cosmos DB adapter and the DynamoDB adapter to CI (#167)

Bug fixes

• Fix the getting started project (#233)
• Rename ConsensusCommitWithGrpcStorageIntegrationTest (#225)
• Add duplicatesStrategy to installDist (#219)
• Should close PreparedStatement and ResultSet in scan operations of JdbcTransaction (#208)
• Use com.google.inject.Inject instead of javax.inject.Inject (#200)
• make attributes for secondary indexes (#189)
• Fix the bug where the error occurs when executing a Put operation without values in the JDBC adapter (#180)
• Fix the broken TLA+ link (#175)
• Wrong index name when a namespace prefix is not specified in the schema tool for DynamoDB (#173)
• Update pip URL (#171)

Documentation

• Add multi-storage documentation (#255)
• Add a backup guide for the Scalar DB server (#254)
• Add documentation of Scalar DB Server (#253)
• Revise README.md of root folder (#237)
• Adding beginner friendly precisions (#234)
• Update compile commade new gradle version (#229)
• Update descriptions and data type mapping (#181)