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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog. This project adheres to Semantic Versioning.

API

The API consists of all public Java types from com.atlassian.db.replica.api, com.atlassian.db.replica.spi and their subpackages:

POM

Changing the license is breaking a contract. Adding a requirement of a major version of a dependency is breaking a contract. Dropping a requirement of a major version of a dependency is a new contract.

Unreleased

Fix

  • Connection leak in AuroraClusterDiscovery

[2.10.0] - 2023-07-24

Added

  • Support for custom connection provider for replica discovery in AuroraMultiReplicaConsistency

[2.9.10] - 2023-07-24

Fix

  • Changed discovery query to use Longs instead of Integers

[2.9.8] - 2023-07-24

Added

  • LazyLogger to AuroraMultiReplicaConsistency

[2.9.6] - 2023-07-21

Fixed

  • Add additional logging to AuroraMultiReplicaConsistency

2.9.4 - 2023-06-28

Fixed

  • Default getClientInfo() method in DualConnection to use read connection

2.9.2 - 2023-06-26

Fixed

  • Default getMetaData() method in DualConnection to use read connection

2.9.0 - 2022-10-10

Added

  • ReadReplicaConnectionCreationException

2.8.0 - 2022-10-04

Added

  • Logger for tracking DualConnection internal actions

2.7.2 - 2022-09-20

Fixed

  • Set connection runtime parameters, after switching to the main connection (cover uppercase SET)
  • Don't call DirtyConnectionHook after rollback

2.7.0 - 2022-09-08

Added

  • Add DirtyConnectionCloseHook

2.6.4 - 2022-07-01

Fixed

  • Ignore replica nodes when the topology state for the node was not updated for 5 minutes.

2.6.2 - 2022-04-20

Fixed

  • AuroraMultiReplicaConsistency#isConsistent always calls replica connection supplier

2.6.0 - 2022-01-26

Add

  • Support for clusterUri in AuroraMultiReplicaConsistency

2.5.6 - 2021-12-20

Fixed

  • Set connection runtime parameters, after switching to the main connection

2.5.4 - 2021-10-27

Fixed

  • Statement#getConnection() returns DualConnection instead of the main database connection
  • Connection#createArrayOf() uses replica connection

2.5.2 - 2021-10-26

Fixed

  • Support SELECT FOR NO KEY UPDATE statement
  • Support SELECT FOR SHARE statement
  • Support SELECT FOR KEY SHARE statement

2.5.0 - 2021-10-25

Added

  • Add support for sequences to ThrottledCache

2.4.0 - 2021-10-11

Added

  • Add spi.Logger

2.3.4 - 2021-09-23

Fixed

  • Run insert queries on the main database

Fixed

  • Run insert queries on the main database

2.3.2 - 2021-09-15

Fixed

  • Connection leak in AuroraMultiReplicaConsistency

2.3.0 - 2021-09-08

Added

  • Add Database
  • Add ReplicaConnectionPerUrlProvider

2.2.6 - 2021-09-08

Fixed

  • Additional caching in AuroraMultiReplicaConsistency

2.2.4 - 2021-09-02

Fixed

  • Reverted fix connection leak in AuroraClusterDiscovery

2.2.2 - 2021-09-01

Fixed

  • Fix connection leak in AuroraClusterDiscovery

2.2.0 - 2021-08-31

Added

  • Add AuroraMultiReplicaConsistency
  • Add AuroraConnectionDetails

2.1.4 - 2021-07-08

Fixed

  • Only one thread can update Throttled Cache values
  • Remove all assumptions from DualConnection#close and always close all sub-connections
  • Fix connection leak
  • Close replica connection on ReplicaConsistency#isConsistent exception

2.1.2 - 2021-07-01

Fixed

  • Fix Throttled Cache lock release mechanism

2.1.0 - 2021-06-30

Added

  • Add timeout to ThrottledCache

2.0.0 - 2021-06-17

Added

  • Allow getting cached value from SuppliedCache without executing a supplier

Changed

  • Make PessimisticPropagationConsistency class final
  • Make ThrottledCache class final
  • Make NoCacheSuppliedCache class final
  • Add SuppliedCache#get
  • Add NoCacheSuppliedCache#get
  • Add ThrottledCache#get

1.3.0 - 2021-04-21

Added

  • ReplicaConsistency#preWrite()

1.2.6 - 2021-04-19

Fixed

  • No circuit breaker by default.
  • Implemented missing methods in Statement

1.2.4 - 2021-04-15

Fixed

  • Support SELECT FOR UPDATE SKIP LOCKED statement

1.2.2 - 2021-04-06

Fixed

  • Implemented missing methods in DualConnection

1.2.0 - 2021-04-01

Added

  • ThrottledCache
  • SuppliedCache<T>

1.1.0 - 2021-03-18

Added

  • AuroraPostgresLsnReplicaConsistency

1.0.0 - 2021-03-15

Removed

  • DualConnection.Builder.stateListener()
  • StateListener
  • State
  • DualConnection.Builder.circuitBreaker()
  • CircuitBreaker
  • BreakerState

0.1.31 - 2021-03-10

Added

-RouteDecision#mustRunOnMain() and RouteDecision#willRunOnMain()

Fixed

  • clarified read/write Reasons

Removed

  • Reason.isWrite()

0.1.30 - 2021-03-09

Added

  • Add support for compatibility mode

Fixed

  • Connection#nativeSQL uses replica database

0.1.29 - 2021-03-01

Fixed

  • Connection#close can cause an exception.

0.1.28 - 2021-02-26

Fixed

  • Initialize connection once
  • Propagate read-only mode immediately

0.1.27 - 2021-02-23

Fixed

  • Propagate the read-only mode to the main connection
  • Reset the read-only mode before releasing a connection

0.1.26 - 2021-02-18

Fixed

0.1.25 - 2021-02-18

Added

  • Add support for read-only functions

Fixed

  • Avoid unnecessary switch to MainConnection while setting read-only mode
  • Statement Behavior changes don't affect DualConnection's state

0.1.24 - 2021-02-16

Added

  • Add COMMITED_MAIN state
  • Add DualConnection#Builder.databaseCall
  • Add spi.DatabaseCall
  • Add RouteDecision and Reason for per query visibility

Removed

  • spi.DualCall
  • DualConnection#Builder.dualCall

0.1.23 - 2021-02-09

Added

  • Add State#getName method.

0.1.22 - 2021-02-05

Added

  • Add PessimisticPropagationConsistency.Builder.
  • Add StateListener.

Removed

  • Remove ReplicaConsistency.assumePropagationDelay. Use PessimisticPropagationConsistency.Builder instead.

0.1.21 - 2021-01-08

No changes.

0.1.20 - 2021-01-08

Fixed

  • Propagate Consistency#write when the same statement used first with executeQuery and then with executeUpdate.

0.1.19 - 2021-01-05

Fixed

  • Avoid unnecessary consistency writes.

0.1.18 - 2020-12-17

Fixed

  • Don't assume inconsistency forever, when no writes happen.

0.1.17 - 2020-12-16

Changed

  • spi.ConnectionProvider#getMainConnection() throws SQLException
  • spi.ConnectionProvider#getReplicaConnection() throws SQLException

Fixed

  • Complex queries wrongly run on the main database

0.1.16 - 2020-12-16

Fixed

  • DualCall calls main when the replica is not consistent.

0.1.15 - 2020-12-07

Fixed

  • NPE when calling DualConnection#isReadOnly

0.1.14 - 2020-12-07

Changed

  • spi.ReplicaConsistency#isConsistent(Connection replica) to spi.ReplicaConsistency#isConsistent(Supplier<Connection> replica)

Fixed

  • Avoid fetching replica connections when not needed.

0.1.13 - 2020-12-02

Fixed

  • Release connection's reference on close
  • Keep close related contract in DualConnection API
  • Make close safe
  • Release Statement when closed
  • Keep close related contract in Statement API
  • Keep close related contract in PreparedStatement API

0.1.12 - 2020-11-27

Added

  • Inject Cache to allow multiple ways of holding the "last write to main".
  • Add ReplicaConsistency.assumePropagationDelay.
  • Add Cache.assumePropagationDelay.cacheMonotonicValuesInMemory.

0.1.11 - 2020-11-27

Fixed

  • implementation of Connection#setSavepoint
  • implementation of Connection#rollback(Savepoint savepoint)
  • implementation of Connection#releaseSavepoint(Savepoint savepoint)

0.1.10 - 2020-11-26

Fixed

  • Handle multiple calls for setReadOnly

0.1.9 - 2020-11-25

Fixed

  • Assign deletes to the main connection for executeQuery calls
  • Keep using the main connection
  • setReadOnly determines connection

Removed

  • api.circuitbreaker.DualConnectionException

Changed

  • throw original exception instead of DualConnectionException

0.1.8 - 2020-11-25

Fixed

  • Hiding Connection#close failure
  • Assign updates to the main connection for executeQuery calls

0.1.7 - 2020-11-25

Fixed

  • implementation of Statement#setEscapeProcessing
  • implementation of Statement#setMaxRows
  • implementation of Statement#setMaxFieldSize
  • implementation of Statement#setFetchDirection
  • implementation of Statement#setPoolable
  • implementation of Statement#setLargeMaxRows

Removed

  • dependency on jcip-annotations
  • dependency on postgresql
  • dependency on commons-lang3
  • dependency on atlassian-util-concurrent
  • impl.LsnReplicaConsistency

0.1.6 - 2020-11-23

Added

  • Add spi.circuitbreaker.CircuitBreaker

0.1.5 - 2020-11-23

Added

  • Support for single connection provider

0.1.4 - 2020-11-20

Changed

  • Use net.jcip:jcip-annotations:1.0 instead of com.github.stephenc

0.1.3 - 2020-11-20

Fixed

  • implementation of Connection#isWrapperFor

  • implementation of Connection#unwrap

  • implementation of Connection#getSchema

  • implementation of Connection#createArrayOf

  • implementation of Connection#isValid

  • implementation of Connection#getHoldability

  • implementation of Connection#setHoldability

  • implementation of Connection#getTypeMap

  • implementation of Connection#setTypeMap

  • implementation of Connection#getCatalog

  • implementation of Connection#setCatalog

  • implementation of Connection#getWarnings

  • implementation of Connection#clearWarnings

  • implementation of Connection#getTransactionIsolation

  • implementation of Statemtent#unwrap

  • implementation of Statemtent#isWrapperFor

  • implementation of Statemtent#clearBatch

  • implementation of Statemtent#addBatch

  • implementation of Statemtent#getMoreResults

  • implementation of Statemtent#getUpdateCount

  • implementation of Statemtent#getResultSet

  • implementation of Statemtent#getWarnings

  • implementation of Statemtent#clearWarnings

  • NPE in ReplicaStatement#isClosed

0.1.2 - 2020-11-18

Changed

  • Renamed:
    • api.SqlConnection to api.SqlCall
    • spi.DualConnectionOperation to spi.DualCall
    • impl.ForwardConnectionOperation to impl.ForwardCall
    • impl.PrintfDualConnectionOperation to impl.TimeRatioPrinter

0.1.0 - 2020-11-18

Added

  • Add api.DualConnection, api.SqlConnection
  • Add spi.DualConnectionOperation, spi.ReplicaConsistency, spi.ConnectionProvider
  • Add impl.ClockReplicaConsistency, impl.LsnReplicaConsistency
  • Add impl.ForwardConnectionOperation, impl.PrintfDualConnectionOperation