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v2: soft automatic schema reload #7

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kostja opened this issue Dec 4, 2015 · 1 comment · Fixed by #355
Closed

v2: soft automatic schema reload #7

kostja opened this issue Dec 4, 2015 · 1 comment · Fixed by #355
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@kostja
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kostja commented Dec 4, 2015

Now that the iproto protocol has sc_schema_id, fix the driver to perform "soft" schema reload.

  • load the current schema automatically when connection is established
  • include sc_schema_id in queries
  • if the response is ER_SCHEMA_CHANGED, reload the schema and re-issue the query.

tarantool/tarantool#1183

@oleg-jukovec
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oleg-jukovec commented Nov 9, 2023

It was decided not to implement the schema reloading since the Tarantool 3.0 allows us to use space names directly. The schema in the connector is not currently used for other purposes.
#338

But we can add a separate helper function to load the actual schema for the user.

DerekBum added a commit that referenced this issue Nov 18, 2023
Write a helper function to load the actual schema for the user.

Previously we stored actual schema in a private `schemaResolver`
field and `Schema` field was used only to get a current schema.
But now because of the new method, we don't need to store the
`Schema` as a different field. So `Schema` was also removed.

Closes #7
DerekBum added a commit that referenced this issue Nov 18, 2023
Write a helper function to load the actual schema for the user.

Previously we stored actual schema in a private `schemaResolver`
field and `Schema` field was used only to get a current schema.
But now because of the new method, we don't need to store the
`Schema` as a different field. So `Schema` was also removed.

Closes #7
DerekBum added a commit that referenced this issue Nov 20, 2023
Write a helper function to load the actual schema for the user.

Previously we stored actual schema in a private `schemaResolver`
field and `Schema` field was used only to get a current schema.
But now because of the new function, we don't need to store the
`Schema` as a different field. So `Schema` was also removed.

To update the schema, used needs to use `GetSchema` + `OverrideSchema`
in pair.

Closes #7
DerekBum added a commit that referenced this issue Nov 20, 2023
Write a helper function to load the actual schema for the user.

Previously we stored actual schema in a private `schemaResolver`
field and `Schema` field was used only to get a current schema.
But now because of the new function, we don't need to store the
`Schema` as a different field. So `Schema` was also removed.

To update the schema, used needs to use `GetSchema` + `SetSchema`
in pair. `SetSchema` is a renamed `OverrideSchema`.

Closes #7
DerekBum added a commit that referenced this issue Nov 20, 2023
Write a helper function to load the actual schema for the user.

Previously we stored actual schema in a private `schemaResolver`
field and `Schema` field was used only to get a current schema.
But now because of the new function, we don't need to store the
`Schema` as a different field. So `Schema` was also removed.

To update the schema, used needs to use `GetSchema` + `SetSchema`
in pair. `SetSchema` is a renamed `OverrideSchema`.

Closes #7
DerekBum added a commit that referenced this issue Nov 20, 2023
Write a helper function to load the actual schema for the user.

Previously we stored actual schema in a private `schemaResolver`
field and `Schema` field was used only to get a current schema.
But now because of the new function, we don't need to store the
`Schema` as a different field. So `Schema` was also removed.

To update the schema, used needs to use `GetSchema` + `SetSchema`
in pair. `SetSchema(Schema)` replacing the `OverrideSchema(*Schema)`.

Closes #7
DerekBum added a commit that referenced this issue Nov 20, 2023
Write a helper function to load the actual schema for the user.

Previously we stored actual schema in a private `schemaResolver`
field and `Schema` field was used only to get a current schema.
But now because of the new function, we don't need to store the
`Schema` as a different field. So `Schema` was also removed.

To update the schema, used needs to use `GetSchema` + `SetSchema`
in pair. `SetSchema(Schema)` replacing the `OverrideSchema(*Schema)`.

`Schema` structure no longer implements `SchemaResolver` interface.
`Spaces` and `SpacesById` fields of the `Schema` struct store spaces by value.
`Fields` and `FieldsById` fields of the `Space` struct store fields by value.
`Index` and `IndexById` fields of the `Space` struct store indexes by value.
`Fields` field of the `Index` struct store `IndexField` by value.

Closes #7
DerekBum added a commit that referenced this issue Nov 20, 2023
Write a helper function to load the actual schema for the user.

Previously we stored actual schema in a private `schemaResolver`
field and `Schema` field was used only to get a current schema.
But now because of the new function, we don't need to store the
`Schema` as a different field. So `Schema` was also removed.

To update the schema, used needs to use `GetSchema` + `SetSchema`
in pair. `SetSchema(Schema)` replacing the `OverrideSchema(*Schema)`.

`Spaces` and `SpacesById` fields of the `Schema` struct store spaces by value.
`Fields` and `FieldsById` fields of the `Space` struct store fields by value.
`Index` and `IndexById` fields of the `Space` struct store indexes by value.
`Fields` field of the `Index` struct store `IndexField` by value.

Closes #7
DerekBum added a commit that referenced this issue Nov 21, 2023
Write a helper function to load the actual schema for the user.

Previously we stored actual schema in a private `schemaResolver`
field and `Schema` field was used only to get a current schema.
But now because of the new function, we don't need to store the
`Schema` as a different field. So `Schema` was also removed.

To update the schema, used needs to use `GetSchema` + `SetSchema`
in pair. `SetSchema(Schema)` replacing the `OverrideSchema(*Schema)`.

`Spaces` and `SpacesById` fields of the `Schema` struct store spaces by value.
`Fields` and `FieldsById` fields of the `Space` struct store fields by value.
`Index` and `IndexById` fields of the `Space` struct store indexes by value.
`Fields` field of the `Index` struct store `IndexField` by value.

Closes #7
DerekBum added a commit that referenced this issue Nov 21, 2023
Write a helper function to load the actual schema for the user.

Previously we stored actual schema in a private `schemaResolver`
field and `Schema` field was used only to get a current schema.
But now because of the new function, we don't need to store the
`Schema` as a different field. So `Schema` was also removed.

To update the schema, used needs to use `GetSchema` + `SetSchema`
in pair. `SetSchema(Schema)` replacing the `OverrideSchema(*Schema)`.

`Spaces` and `SpacesById` fields of the `Schema` struct store spaces by value.
`Fields` and `FieldsById` fields of the `Space` struct store fields by value.
`Index` and `IndexById` fields of the `Space` struct store indexes by value.
`Fields` field of the `Index` struct store `IndexField` by value.

Closes #7
DerekBum added a commit that referenced this issue Nov 24, 2023
Write a helper function to load the actual schema for the user.

Previously we stored actual schema in a private `schemaResolver`
field and `Schema` field was used only to get a current schema.
But now because of the new function, we don't need to store the
`Schema` as a different field. So `Schema` was also removed.

To update the schema, one needs to use `GetSchema` + `SetSchema`
in pair. `SetSchema(Schema)` replacing the `OverrideSchema(*Schema)`.

`Spaces` and `SpacesById` fields of the `Schema` struct store spaces by value.
`Fields` and `FieldsById` fields of the `Space` struct store fields by value.
`Index` and `IndexById` fields of the `Space` struct store indexes by value.
`Fields` field of the `Index` struct store `IndexField` by value.

Closes #7
oleg-jukovec pushed a commit that referenced this issue Nov 24, 2023
Write a helper function to load the actual schema for the user.

Previously we stored actual schema in a private `schemaResolver`
field and `Schema` field was used only to get a current schema.
But now because of the new function, we don't need to store the
`Schema` as a different field. So `Schema` was also removed.

To update the schema, one needs to use `GetSchema` + `SetSchema`
in pair. `SetSchema(Schema)` replacing the `OverrideSchema(*Schema)`.

`Spaces` and `SpacesById` fields of the `Schema` struct store spaces by value.
`Fields` and `FieldsById` fields of the `Space` struct store fields by value.
`Index` and `IndexById` fields of the `Space` struct store indexes by value.
`Fields` field of the `Index` struct store `IndexField` by value.

Closes #7
oleg-jukovec added a commit that referenced this issue Feb 11, 2024
Overview

    There are a lot of changes in the new major version. The main ones:

    * The `go_tarantool_call_17` build tag is no longer needed, since
      by default the `CallRequest` is `Call17Request`.
    * The `go_tarantool_msgpack_v5` build tag is no longer needed,
      since only the `msgpack/v5` library is used.
    * The `go_tarantool_ssl_disable` build tag is no longer needed,
      since the connector is no longer depends on `OpenSSL` by default.
      You could use the external library go-tlsdialer[1] to create a
      connection with the `ssl` transport.
    * Required Go version is `1.20` now.
    * The `Connect` function became more flexible. It now allows
      to create a connection with cancellation and a custom `Dialer`
      implementation.
    * It is required to use `Request` implementation types with the
      `Connection.Do` method instead of `Connection.<Request>` methods.
    * The `connection_pool` package renamed to `pool`.

    See the migration guide[2] for more details.

Breaking changes

    connection_pool renamed to pool (#239).

    Use msgpack/v5 instead of msgpack.v2 (#236).

    Call/NewCallRequest = Call17/NewCall17Request (#235).

    Change encoding of the queue.Identify() UUID argument from binary
    blob to plain string. Needed for upgrade to Tarantool 3.0, where a
    binary blob is decoded to a varbinary object (#313).

    Use objects of the Decimal type instead of pointers (#238).

    Use objects of the Datetime type instead of pointers (#238).

    `connection.Connect` no longer return non-working connection
    objects (#136). This function now does not attempt to reconnect
    and tries to establish a connection only once. Function might be
    canceled via context. Context accepted as first argument.
    `pool.Connect` and `pool.Add` now accept context as the first
    argument, which user may cancel in process. If `pool.Connect` is
    canceled in progress, an error will be returned. All created
    connections will be closed.

    `iproto.Feature` type now used instead of `ProtocolFeature` (#337).

    `iproto.IPROTO_FEATURE_` constants now used instead of local
    `Feature` constants for `protocol` (#337).

    Change `crud` operations `Timeout` option type to `crud.OptFloat64`
    instead of `crud.OptUint` (#342).

    Change all `Upsert` and `Update` requests to accept
    `*tarantool.Operations`  as `ops` parameters instead of
    `interface{}` (#348).

    Change `OverrideSchema(*Schema)` to `SetSchema(Schema)` (#7).

    Change values, stored by pointers in the `Schema`, `Space`,
    `Index` structs,  to be stored by their values (#7).

    Make `Dialer` mandatory for creation a single connection (#321).

    Remove `Connection.RemoteAddr()`, `Connection.LocalAddr()`.
    Add `Addr()` function instead (#321).

    Remove `Connection.ClientProtocolInfo`,
    `Connection.ServerProtocolInfo`. Add `ProtocolInfo()` function
    instead, which returns the server protocol info (#321).

    `NewWatcher` checks the actual features of the server, rather
    than relying on the features provided by the user during connection
    creation (#321).

    `pool.NewWatcher` does not create watchers for connections that do
    not support it (#321).

    Rename `pool.GetPoolInfo` to `pool.GetInfo`. Change return type to
    `map[string]ConnectionInfo` (#321).

    `Response` is now an interface (#237).

    All responses are now implementations of the `Response`
    interface (#237). `SelectResponse`, `ExecuteResponse`,
    `PrepareResponse`, `PushResponse` are part of a public API.
    `Pos()`, `MetaData()`, `SQLInfo()` methods created for them to
    get specific info. Special types of responses are used with
    special requests.

    `IsPush()` method is added to the response iterator (#237). It
    returns the information if the current response is a
    `PushResponse`. `PushCode` constant is removed.

    Method `Get` for `Future` now returns response data (#237). To get
    the actual response new `GetResponse` method has been added.
    Methods `AppendPush` and `SetResponse` accept response `Header`
    and data as their arguments.

    `Future` constructors now accept `Request` as their argument
    (#237).

    Operations `Ping`, `Select`, `Insert`, `Replace`, `Delete`,
    `Update`, `Upsert`, `Call`, `Call16`, `Call17`, `Eval`, `Execute`
    of a `Connector` and `Pooler` return response data instead of an
    actual responses (#237).

    `pool.Connect`, `pool.ConnetcWithOpts` and `pool.Add` use a
    new type `pool.Instance` to determinate connection options (#356).

    `pool.Connect`, `pool.ConnectWithOpts` and `pool.Add` add
    connections to the pool even it is unable to connect to it (#372).

    Required Go version from `1.13` to `1.20` (#378).

    multi subpackage is removed (#240).

    msgpack.v2 support is removed (#236).

    pool/RoundRobinStrategy is removed (#158).

    DeadlineIO is removed (#158).

    UUID_extId is removed (#158).

    IPROTO constants are removed (#158).

    Code() method from the Request interface is removed (#158).

    `Schema` field from the `Connection` struct is removed (#7).

    `OkCode` and `PushCode` constants is removed (#237).

    SSL support is removed (#301).

    `Future.Err()` method is removed (#382).

New features

    Type() method to the Request interface (#158).

    Enumeration types for RLimitAction/iterators (#158).

    IsNullable flag for Field (#302).

    More linters on CI (#310).

    Meaningful description for read/write socket errors (#129).

    Support `operation_data` in `crud.Error` (#330).

    Support `fetch_latest_metadata` option for crud requests with
    metadata (#335).

    Support `noreturn` option for data change crud requests (#335).

    Support `crud.schema` request (#336, #351).

    Support `IPROTO_WATCH_ONCE` request type for Tarantool
    version >= 3.0.0-alpha1 (#337).

    Support `yield_every` option for crud select requests (#350).

    Support `IPROTO_FEATURE_SPACE_AND_INDEX_NAMES` for Tarantool
    version >= 3.0.0-alpha1 (#338). It allows to use space and index
    names in requests instead of their IDs.

    `GetSchema` function to get the actual schema (#7).

    Support connection via an existing socket fd (#321).

    `Header` struct for the response header (#237). It can be accessed
    via `Header()` method of the `Response` interface.

   `Response` method added to the `Request` interface (#237).

   New `LogAppendPushFailed` connection log constant (#237).
   It is logged when connection fails to append a push response.

   `ErrorNo` constant that indicates that no error has occurred while
   getting the response (#237).

   `AuthDialer` type for creating a dialer with authentication (#301).

   `ProtocolDialer` type for creating a dialer with `ProtocolInfo`
   receiving and  check (#301).

   `GreetingDialer` type for creating a dialer, that fills `Greeting`
   of a connection (#301).

   New method `Pool.DoInstance` to execute a request on a target
   instance in a pool (#376).

Bugfixes

    Race condition at roundRobinStrategy.GetNextConnection() (#309).

    Incorrect decoding of an MP_DECIMAL when the `scale` value is
    negative (#314).

    Incorrect options (`after`, `batch_size` and `force_map_call`)
    setup for crud.SelectRequest (#320).

    Incorrect options (`vshard_router`, `fields`, `bucket_id`, `mode`,
    `prefer_replica`, `balance`) setup for crud.GetRequest (#335)

    Splice update operation accepts 3 arguments instead of 5 (#348).

    Unable to use a slice of custom types as a slice of tuples or
    objects for `crud.*ManyRequest/crud.*ObjectManyRequest` (#365).

Testing

    Added an ability to mock connections for tests (#237). Added new
    types `MockDoer`, `MockRequest` to `test_helpers`.

    Flaky decimal/TestSelect (#300).

    Tests with crud 1.4.0 (#336).

    Tests with case sensitive SQL (#341).

    Renamed `StrangerResponse` to `MockResponse` (#237).

Other

    All Connection.<Request>, Connection.<Request>Typed and
    Connection.<Request>Async methods are now deprecated. Instead you
    should use requests objects + Connection.Do() (#241).

    All ConnectionPool.<Request>, ConnectionPool.<Request>Typed and
    ConnectionPool.<Request>Async methods are now deprecated. Instead
    you should use requests objects + ConnectionPool.Do() (#241).

    box.session.push() usage is deprecated: Future.AppendPush() and
    Future.GetIterator() methods, ResponseIterator and
    TimeoutResponseIterator types (#324).

1. https://github.com/tarantool/go-tlsdialer
2. https://github.com/tarantool/go-tarantool/blob/master/MIGRATION.md
oleg-jukovec added a commit that referenced this issue Feb 11, 2024
Overview

    There are a lot of changes in the new major version. The main ones:

    * The `go_tarantool_call_17` build tag is no longer needed, since
      by default the `CallRequest` is `Call17Request`.
    * The `go_tarantool_msgpack_v5` build tag is no longer needed,
      since only the `msgpack/v5` library is used.
    * The `go_tarantool_ssl_disable` build tag is no longer needed,
      since the connector is no longer depends on `OpenSSL` by default.
      You could use the external library go-tlsdialer[1] to create a
      connection with the `ssl` transport.
    * Required Go version is `1.20` now.
    * The `Connect` function became more flexible. It now allows
      to create a connection with cancellation and a custom `Dialer`
      implementation.
    * It is required to use `Request` implementation types with the
      `Connection.Do` method instead of `Connection.<Request>` methods.
    * The `connection_pool` package renamed to `pool`.

    See the migration guide[2] for more details.

Breaking changes

    connection_pool renamed to pool (#239).

    Use msgpack/v5 instead of msgpack.v2 (#236).

    Call/NewCallRequest = Call17/NewCall17Request (#235).

    Change encoding of the queue.Identify() UUID argument from binary
    blob to plain string. Needed for upgrade to Tarantool 3.0, where a
    binary blob is decoded to a varbinary object (#313).

    Use objects of the Decimal type instead of pointers (#238).

    Use objects of the Datetime type instead of pointers (#238).

    `connection.Connect` no longer return non-working connection
    objects (#136). This function now does not attempt to reconnect
    and tries to establish a connection only once. Function might be
    canceled via context. Context accepted as first argument.
    `pool.Connect` and `pool.Add` now accept context as the first
    argument, which user may cancel in process. If `pool.Connect` is
    canceled in progress, an error will be returned. All created
    connections will be closed.

    `iproto.Feature` type now used instead of `ProtocolFeature` (#337).

    `iproto.IPROTO_FEATURE_` constants now used instead of local
    `Feature` constants for `protocol` (#337).

    Change `crud` operations `Timeout` option type to `crud.OptFloat64`
    instead of `crud.OptUint` (#342).

    Change all `Upsert` and `Update` requests to accept
    `*tarantool.Operations`  as `ops` parameters instead of
    `interface{}` (#348).

    Change `OverrideSchema(*Schema)` to `SetSchema(Schema)` (#7).

    Change values, stored by pointers in the `Schema`, `Space`,
    `Index` structs,  to be stored by their values (#7).

    Make `Dialer` mandatory for creation a single connection (#321).

    Remove `Connection.RemoteAddr()`, `Connection.LocalAddr()`.
    Add `Addr()` function instead (#321).

    Remove `Connection.ClientProtocolInfo`,
    `Connection.ServerProtocolInfo`. Add `ProtocolInfo()` function
    instead, which returns the server protocol info (#321).

    `NewWatcher` checks the actual features of the server, rather
    than relying on the features provided by the user during connection
    creation (#321).

    `pool.NewWatcher` does not create watchers for connections that do
    not support it (#321).

    Rename `pool.GetPoolInfo` to `pool.GetInfo`. Change return type to
    `map[string]ConnectionInfo` (#321).

    `Response` is now an interface (#237).

    All responses are now implementations of the `Response`
    interface (#237). `SelectResponse`, `ExecuteResponse`,
    `PrepareResponse`, `PushResponse` are part of a public API.
    `Pos()`, `MetaData()`, `SQLInfo()` methods created for them to
    get specific info. Special types of responses are used with
    special requests.

    `IsPush()` method is added to the response iterator (#237). It
    returns the information if the current response is a
    `PushResponse`. `PushCode` constant is removed.

    Method `Get` for `Future` now returns response data (#237). To get
    the actual response new `GetResponse` method has been added.
    Methods `AppendPush` and `SetResponse` accept response `Header`
    and data as their arguments.

    `Future` constructors now accept `Request` as their argument
    (#237).

    Operations `Ping`, `Select`, `Insert`, `Replace`, `Delete`,
    `Update`, `Upsert`, `Call`, `Call16`, `Call17`, `Eval`, `Execute`
    of a `Connector` and `Pooler` return response data instead of an
    actual responses (#237).

    `pool.Connect`, `pool.ConnetcWithOpts` and `pool.Add` use a
    new type `pool.Instance` to determinate connection options (#356).

    `pool.Connect`, `pool.ConnectWithOpts` and `pool.Add` add
    connections to the pool even it is unable to connect to it (#372).

    Required Go version from `1.13` to `1.20` (#378).

    multi subpackage is removed (#240).

    msgpack.v2 support is removed (#236).

    pool/RoundRobinStrategy is removed (#158).

    DeadlineIO is removed (#158).

    UUID_extId is removed (#158).

    IPROTO constants are removed (#158).

    Code() method from the Request interface is removed (#158).

    `Schema` field from the `Connection` struct is removed (#7).

    `OkCode` and `PushCode` constants is removed (#237).

    SSL support is removed (#301).

    `Future.Err()` method is removed (#382).

New features

    Type() method to the Request interface (#158).

    Enumeration types for RLimitAction/iterators (#158).

    IsNullable flag for Field (#302).

    More linters on CI (#310).

    Meaningful description for read/write socket errors (#129).

    Support `operation_data` in `crud.Error` (#330).

    Support `fetch_latest_metadata` option for crud requests with
    metadata (#335).

    Support `noreturn` option for data change crud requests (#335).

    Support `crud.schema` request (#336, #351).

    Support `IPROTO_WATCH_ONCE` request type for Tarantool
    version >= 3.0.0-alpha1 (#337).

    Support `yield_every` option for crud select requests (#350).

    Support `IPROTO_FEATURE_SPACE_AND_INDEX_NAMES` for Tarantool
    version >= 3.0.0-alpha1 (#338). It allows to use space and index
    names in requests instead of their IDs.

    `GetSchema` function to get the actual schema (#7).

    Support connection via an existing socket fd (#321).

    `Header` struct for the response header (#237). It can be accessed
    via `Header()` method of the `Response` interface.

   `Response` method added to the `Request` interface (#237).

   New `LogAppendPushFailed` connection log constant (#237).
   It is logged when connection fails to append a push response.

   `ErrorNo` constant that indicates that no error has occurred while
   getting the response (#237).

   `AuthDialer` type for creating a dialer with authentication (#301).

   `ProtocolDialer` type for creating a dialer with `ProtocolInfo`
   receiving and  check (#301).

   `GreetingDialer` type for creating a dialer, that fills `Greeting`
   of a connection (#301).

   New method `Pool.DoInstance` to execute a request on a target
   instance in a pool (#376).

Bugfixes

    Race condition at roundRobinStrategy.GetNextConnection() (#309).

    Incorrect decoding of an MP_DECIMAL when the `scale` value is
    negative (#314).

    Incorrect options (`after`, `batch_size` and `force_map_call`)
    setup for crud.SelectRequest (#320).

    Incorrect options (`vshard_router`, `fields`, `bucket_id`, `mode`,
    `prefer_replica`, `balance`) setup for crud.GetRequest (#335).

    Splice update operation accepts 3 arguments instead of 5 (#348).

    Unable to use a slice of custom types as a slice of tuples or
    objects for `crud.*ManyRequest/crud.*ObjectManyRequest` (#365).

Testing

    Added an ability to mock connections for tests (#237). Added new
    types `MockDoer`, `MockRequest` to `test_helpers`.

    Fixed flaky decimal/TestSelect (#300).

    Fixed tests with crud 1.4.0 (#336).

    Fixed tests with case sensitive SQL (#341).

    Renamed `StrangerResponse` to `MockResponse` (#237).

Other

    All Connection.<Request>, Connection.<Request>Typed and
    Connection.<Request>Async methods are now deprecated. Instead you
    should use requests objects + Connection.Do() (#241).

    All ConnectionPool.<Request>, ConnectionPool.<Request>Typed and
    ConnectionPool.<Request>Async methods are now deprecated. Instead
    you should use requests objects + ConnectionPool.Do() (#241).

    box.session.push() usage is deprecated: Future.AppendPush() and
    Future.GetIterator() methods, ResponseIterator and
    TimeoutResponseIterator types (#324).

1. https://github.com/tarantool/go-tlsdialer
2. https://github.com/tarantool/go-tarantool/blob/master/MIGRATION.md
oleg-jukovec added a commit that referenced this issue Feb 11, 2024
Overview

    There are a lot of changes in the new major version. The main ones:

    * The `go_tarantool_call_17` build tag is no longer needed, since
      by default the `CallRequest` is `Call17Request`.
    * The `go_tarantool_msgpack_v5` build tag is no longer needed,
      since only the `msgpack/v5` library is used.
    * The `go_tarantool_ssl_disable` build tag is no longer needed,
      since the connector is no longer depends on `OpenSSL` by default.
      You could use the external library go-tlsdialer[1] to create a
      connection with the `ssl` transport.
    * Required Go version is `1.20` now.
    * The `Connect` function became more flexible. It now allows
      to create a connection with cancellation and a custom `Dialer`
      implementation.
    * It is required to use `Request` implementation types with the
      `Connection.Do` method instead of `Connection.<Request>` methods.
    * The `connection_pool` package renamed to `pool`.

    See the migration guide[2] for more details.

Breaking changes

    connection_pool renamed to pool (#239).

    Use msgpack/v5 instead of msgpack.v2 (#236).

    Call/NewCallRequest = Call17/NewCall17Request (#235).

    Change encoding of the queue.Identify() UUID argument from binary
    blob to plain string. Needed for upgrade to Tarantool 3.0, where a
    binary blob is decoded to a varbinary object (#313).

    Use objects of the Decimal type instead of pointers (#238).

    Use objects of the Datetime type instead of pointers (#238).

    `connection.Connect` no longer return non-working connection
    objects (#136). This function now does not attempt to reconnect
    and tries to establish a connection only once. Function might be
    canceled via context. Context accepted as first argument.
    `pool.Connect` and `pool.Add` now accept context as the first
    argument, which user may cancel in process. If `pool.Connect` is
    canceled in progress, an error will be returned. All created
    connections will be closed.

    `iproto.Feature` type now used instead of `ProtocolFeature` (#337).

    `iproto.IPROTO_FEATURE_` constants now used instead of local
    `Feature` constants for `protocol` (#337).

    Change `crud` operations `Timeout` option type to `crud.OptFloat64`
    instead of `crud.OptUint` (#342).

    Change all `Upsert` and `Update` requests to accept
    `*tarantool.Operations`  as `ops` parameters instead of
    `interface{}` (#348).

    Change `OverrideSchema(*Schema)` to `SetSchema(Schema)` (#7).

    Change values, stored by pointers in the `Schema`, `Space`,
    `Index` structs,  to be stored by their values (#7).

    Make `Dialer` mandatory for creation a single connection (#321).

    Remove `Connection.RemoteAddr()`, `Connection.LocalAddr()`.
    Add `Addr()` function instead (#321).

    Remove `Connection.ClientProtocolInfo`,
    `Connection.ServerProtocolInfo`. Add `ProtocolInfo()` function
    instead, which returns the server protocol info (#321).

    `NewWatcher` checks the actual features of the server, rather
    than relying on the features provided by the user during connection
    creation (#321).

    `pool.NewWatcher` does not create watchers for connections that do
    not support it (#321).

    Rename `pool.GetPoolInfo` to `pool.GetInfo`. Change return type to
    `map[string]ConnectionInfo` (#321).

    `Response` is now an interface (#237).

    All responses are now implementations of the `Response`
    interface (#237). `SelectResponse`, `ExecuteResponse`,
    `PrepareResponse`, `PushResponse` are part of a public API.
    `Pos()`, `MetaData()`, `SQLInfo()` methods created for them to
    get specific info. Special types of responses are used with
    special requests.

    `IsPush()` method is added to the response iterator (#237). It
    returns the information if the current response is a
    `PushResponse`. `PushCode` constant is removed.

    Method `Get` for `Future` now returns response data (#237). To get
    the actual response new `GetResponse` method has been added.
    Methods `AppendPush` and `SetResponse` accept response `Header`
    and data as their arguments.

    `Future` constructors now accept `Request` as their argument
    (#237).

    Operations `Ping`, `Select`, `Insert`, `Replace`, `Delete`,
    `Update`, `Upsert`, `Call`, `Call16`, `Call17`, `Eval`, `Execute`
    of a `Connector` and `Pooler` return response data instead of an
    actual responses (#237).

    `pool.Connect`, `pool.ConnetcWithOpts` and `pool.Add` use a
    new type `pool.Instance` to determinate connection options (#356).

    `pool.Connect`, `pool.ConnectWithOpts` and `pool.Add` add
    connections to the pool even it is unable to connect to it (#372).

    Required Go version from `1.13` to `1.20` (#378).

    multi subpackage is removed (#240).

    msgpack.v2 support is removed (#236).

    pool/RoundRobinStrategy is removed (#158).

    DeadlineIO is removed (#158).

    UUID_extId is removed (#158).

    IPROTO constants are removed (#158).

    Code() method from the Request interface is removed (#158).

    `Schema` field from the `Connection` struct is removed (#7).

    `OkCode` and `PushCode` constants is removed (#237).

    SSL support is removed (#301).

    `Future.Err()` method is removed (#382).

New features

    Type() method to the Request interface (#158).

    Enumeration types for RLimitAction/iterators (#158).

    IsNullable flag for Field (#302).

    Meaningful description for read/write socket errors (#129).

    Support `operation_data` in `crud.Error` (#330).

    Support `fetch_latest_metadata` option for crud requests with
    metadata (#335).

    Support `noreturn` option for data change crud requests (#335).

    Support `crud.schema` request (#336, #351).

    Support `IPROTO_WATCH_ONCE` request type for Tarantool
    version >= 3.0.0-alpha1 (#337).

    Support `yield_every` option for crud select requests (#350).

    Support `IPROTO_FEATURE_SPACE_AND_INDEX_NAMES` for Tarantool
    version >= 3.0.0-alpha1 (#338). It allows to use space and index
    names in requests instead of their IDs.

    `GetSchema` function to get the actual schema (#7).

    Support connection via an existing socket fd (#321).

    `Header` struct for the response header (#237). It can be accessed
    via `Header()` method of the `Response` interface.

   `Response` method added to the `Request` interface (#237).

   New `LogAppendPushFailed` connection log constant (#237).
   It is logged when connection fails to append a push response.

   `ErrorNo` constant that indicates that no error has occurred while
   getting the response (#237).

   `AuthDialer` type for creating a dialer with authentication (#301).

   `ProtocolDialer` type for creating a dialer with `ProtocolInfo`
   receiving and  check (#301).

   `GreetingDialer` type for creating a dialer, that fills `Greeting`
   of a connection (#301).

   New method `Pool.DoInstance` to execute a request on a target
   instance in a pool (#376).

Bugfixes

    Race condition at roundRobinStrategy.GetNextConnection() (#309).

    Incorrect decoding of an MP_DECIMAL when the `scale` value is
    negative (#314).

    Incorrect options (`after`, `batch_size` and `force_map_call`)
    setup for crud.SelectRequest (#320).

    Incorrect options (`vshard_router`, `fields`, `bucket_id`, `mode`,
    `prefer_replica`, `balance`) setup for crud.GetRequest (#335).

    Splice update operation accepts 3 arguments instead of 5 (#348).

    Unable to use a slice of custom types as a slice of tuples or
    objects for `crud.*ManyRequest/crud.*ObjectManyRequest` (#365).

Testing

    More linters on CI (#310).

    Added an ability to mock connections for tests (#237). Added new
    types `MockDoer`, `MockRequest` to `test_helpers`.

    Fixed flaky decimal/TestSelect (#300).

    Fixed tests with crud 1.4.0 (#336).

    Fixed tests with case sensitive SQL (#341).

    Renamed `StrangerResponse` to `MockResponse` (#237).

Other

    All Connection.<Request>, Connection.<Request>Typed and
    Connection.<Request>Async methods are now deprecated. Instead you
    should use requests objects + Connection.Do() (#241).

    All ConnectionPool.<Request>, ConnectionPool.<Request>Typed and
    ConnectionPool.<Request>Async methods are now deprecated. Instead
    you should use requests objects + ConnectionPool.Do() (#241).

    box.session.push() usage is deprecated: Future.AppendPush() and
    Future.GetIterator() methods, ResponseIterator and
    TimeoutResponseIterator types (#324).

1. https://github.com/tarantool/go-tlsdialer
2. https://github.com/tarantool/go-tarantool/blob/master/MIGRATION.md
oleg-jukovec added a commit that referenced this issue Feb 11, 2024
Overview

    There are a lot of changes in the new major version. The main ones:

    * The `go_tarantool_call_17` build tag is no longer needed, since
      by default the `CallRequest` is `Call17Request`.
    * The `go_tarantool_msgpack_v5` build tag is no longer needed,
      since only the `msgpack/v5` library is used.
    * The `go_tarantool_ssl_disable` build tag is no longer needed,
      since the connector is no longer depends on `OpenSSL` by default.
      You could use the external library go-tlsdialer[1] to create a
      connection with the `ssl` transport.
    * Required Go version is `1.20` now.
    * The `Connect` function became more flexible. It now allows
      to create a connection with cancellation and a custom `Dialer`
      implementation.
    * It is required to use `Request` implementation types with the
      `Connection.Do` method instead of `Connection.<Request>` methods.
    * The `connection_pool` package renamed to `pool`.

    See the migration guide[2] for more details.

Breaking changes

    connection_pool renamed to pool (#239).

    Use msgpack/v5 instead of msgpack.v2 (#236).

    Call/NewCallRequest = Call17/NewCall17Request (#235).

    Change encoding of the queue.Identify() UUID argument from binary
    blob to plain string. Needed for upgrade to Tarantool 3.0, where a
    binary blob is decoded to a varbinary object (#313).

    Use objects of the Decimal type instead of pointers (#238).

    Use objects of the Datetime type instead of pointers (#238).

    `connection.Connect` no longer return non-working connection
    objects (#136). This function now does not attempt to reconnect
    and tries to establish a connection only once. Function might be
    canceled via context. Context accepted as first argument.
    `pool.Connect` and `pool.Add` now accept context as the first
    argument, which user may cancel in process. If `pool.Connect` is
    canceled in progress, an error will be returned. All created
    connections will be closed.

    `iproto.Feature` type now used instead of `ProtocolFeature` (#337).

    `iproto.IPROTO_FEATURE_` constants now used instead of local
    `Feature` constants for `protocol` (#337).

    Change `crud` operations `Timeout` option type to `crud.OptFloat64`
    instead of `crud.OptUint` (#342).

    Change all `Upsert` and `Update` requests to accept
    `*tarantool.Operations`  as `ops` parameters instead of
    `interface{}` (#348).

    Change `OverrideSchema(*Schema)` to `SetSchema(Schema)` (#7).

    Change values, stored by pointers in the `Schema`, `Space`,
    `Index` structs,  to be stored by their values (#7).

    Make `Dialer` mandatory for creation a single connection (#321).

    Remove `Connection.RemoteAddr()`, `Connection.LocalAddr()`.
    Add `Addr()` function instead (#321).

    Remove `Connection.ClientProtocolInfo`,
    `Connection.ServerProtocolInfo`. Add `ProtocolInfo()` function
    instead, which returns the server protocol info (#321).

    `NewWatcher` checks the actual features of the server, rather
    than relying on the features provided by the user during connection
    creation (#321).

    `pool.NewWatcher` does not create watchers for connections that do
    not support it (#321).

    Rename `pool.GetPoolInfo` to `pool.GetInfo`. Change return type to
    `map[string]ConnectionInfo` (#321).

    `Response` is now an interface (#237).

    All responses are now implementations of the `Response`
    interface (#237). `SelectResponse`, `ExecuteResponse`,
    `PrepareResponse`, `PushResponse` are part of a public API.
    `Pos()`, `MetaData()`, `SQLInfo()` methods created for them to
    get specific info. Special types of responses are used with
    special requests.

    `IsPush()` method is added to the response iterator (#237). It
    returns the information if the current response is a
    `PushResponse`. `PushCode` constant is removed.

    Method `Get` for `Future` now returns response data (#237). To get
    the actual response new `GetResponse` method has been added.
    Methods `AppendPush` and `SetResponse` accept response `Header`
    and data as their arguments.

    `Future` constructors now accept `Request` as their argument
    (#237).

    Operations `Ping`, `Select`, `Insert`, `Replace`, `Delete`,
    `Update`, `Upsert`, `Call`, `Call16`, `Call17`, `Eval`, `Execute`
    of a `Connector` and `Pooler` return response data instead of an
    actual responses (#237).

    `pool.Connect`, `pool.ConnetcWithOpts` and `pool.Add` use a
    new type `pool.Instance` to determinate connection options (#356).

    `pool.Connect`, `pool.ConnectWithOpts` and `pool.Add` add
    connections to the pool even it is unable to connect to it (#372).

    Required Go version from `1.13` to `1.20` (#378).

    multi subpackage is removed (#240).

    msgpack.v2 support is removed (#236).

    pool/RoundRobinStrategy is removed (#158).

    DeadlineIO is removed (#158).

    UUID_extId is removed (#158).

    IPROTO constants are removed (#158).

    Code() method from the Request interface is removed (#158).

    `Schema` field from the `Connection` struct is removed (#7).

    `OkCode` and `PushCode` constants is removed (#237).

    SSL support is removed (#301).

    `Future.Err()` method is removed (#382).

New features

    Type() method to the Request interface (#158).

    Enumeration types for RLimitAction/iterators (#158).

    IsNullable flag for Field (#302).

    Meaningful description for read/write socket errors (#129).

    Support `operation_data` in `crud.Error` (#330).

    Support `fetch_latest_metadata` option for crud requests with
    metadata (#335).

    Support `noreturn` option for data change crud requests (#335).

    Support `crud.schema` request (#336, #351).

    Support `IPROTO_WATCH_ONCE` request type for Tarantool
    version >= 3.0.0-alpha1 (#337).

    Support `yield_every` option for crud select requests (#350).

    Support `IPROTO_FEATURE_SPACE_AND_INDEX_NAMES` for Tarantool
    version >= 3.0.0-alpha1 (#338). It allows to use space and index
    names in requests instead of their IDs.

    `GetSchema` function to get the actual schema (#7).

    Support connection via an existing socket fd (#321).

    `Header` struct for the response header (#237). It can be accessed
    via `Header()` method of the `Response` interface.

   `Response` method added to the `Request` interface (#237).

   New `LogAppendPushFailed` connection log constant (#237).
   It is logged when connection fails to append a push response.

   `ErrorNo` constant that indicates that no error has occurred while
   getting the response (#237).

   `AuthDialer` type for creating a dialer with authentication (#301).

   `ProtocolDialer` type for creating a dialer with `ProtocolInfo`
   receiving and  check (#301).

   `GreetingDialer` type for creating a dialer, that fills `Greeting`
   of a connection (#301).

   New method `Pool.DoInstance` to execute a request on a target
   instance in a pool (#376).

Bugfixes

    Race condition at roundRobinStrategy.GetNextConnection() (#309).

    Incorrect decoding of an MP_DECIMAL when the `scale` value is
    negative (#314).

    Incorrect options (`after`, `batch_size` and `force_map_call`)
    setup for crud.SelectRequest (#320).

    Incorrect options (`vshard_router`, `fields`, `bucket_id`, `mode`,
    `prefer_replica`, `balance`) setup for crud.GetRequest (#335).

    Splice update operation accepts 3 arguments instead of 5 (#348).

    Unable to use a slice of custom types as a slice of tuples or
    objects for `crud.*ManyRequest/crud.*ObjectManyRequest` (#365).

Testing

    More linters on CI (#310).

    Added an ability to mock connections for tests (#237). Added new
    types `MockDoer`, `MockRequest` to `test_helpers`.

    Fixed flaky decimal/TestSelect (#300).

    Fixed tests with crud 1.4.0 (#336).

    Fixed tests with case sensitive SQL (#341).

    Renamed `StrangerResponse` to `MockResponse` (#237).

Other

    All Connection.<Request>, Connection.<Request>Typed and
    Connection.<Request>Async methods are now deprecated. Instead you
    should use requests objects + Connection.Do() (#241).

    All ConnectionPool.<Request>, ConnectionPool.<Request>Typed and
    ConnectionPool.<Request>Async methods are now deprecated. Instead
    you should use requests objects + ConnectionPool.Do() (#241).

    box.session.push() usage is deprecated: Future.AppendPush() and
    Future.GetIterator() methods, ResponseIterator and
    TimeoutResponseIterator types (#324).

1. https://github.com/tarantool/go-tlsdialer
2. https://github.com/tarantool/go-tarantool/blob/master/MIGRATION.md
oleg-jukovec added a commit that referenced this issue Feb 12, 2024
Overview

    There are a lot of changes in the new major version. The main ones:

    * The `go_tarantool_call_17` build tag is no longer needed, since
      by default the `CallRequest` is `Call17Request`.
    * The `go_tarantool_msgpack_v5` build tag is no longer needed,
      since only the `msgpack/v5` library is used.
    * The `go_tarantool_ssl_disable` build tag is no longer needed,
      since the connector is no longer depends on `OpenSSL` by default.
      You could use the external library go-tlsdialer[1] to create a
      connection with the `ssl` transport.
    * Required Go version is `1.20` now.
    * The `Connect` function became more flexible. It now allows
      to create a connection with cancellation and a custom `Dialer`
      implementation.
    * It is required to use `Request` implementation types with the
      `Connection.Do` method instead of `Connection.<Request>` methods.
    * The `connection_pool` package renamed to `pool`.

    See the migration guide[2] for more details.

Breaking changes

    connection_pool renamed to pool (#239).

    Use msgpack/v5 instead of msgpack.v2 (#236).

    Call/NewCallRequest = Call17/NewCall17Request (#235).

    Change encoding of the queue.Identify() UUID argument from binary
    blob to plain string. Needed for upgrade to Tarantool 3.0, where a
    binary blob is decoded to a varbinary object (#313).

    Use objects of the Decimal type instead of pointers (#238).

    Use objects of the Datetime type instead of pointers (#238).

    `connection.Connect` no longer return non-working connection
    objects (#136). This function now does not attempt to reconnect
    and tries to establish a connection only once. Function might be
    canceled via context. Context accepted as first argument.
    `pool.Connect` and `pool.Add` now accept context as the first
    argument, which user may cancel in process. If `pool.Connect` is
    canceled in progress, an error will be returned. All created
    connections will be closed.

    `iproto.Feature` type now used instead of `ProtocolFeature` (#337).

    `iproto.IPROTO_FEATURE_` constants now used instead of local
    `Feature` constants for `protocol` (#337).

    Change `crud` operations `Timeout` option type to `crud.OptFloat64`
    instead of `crud.OptUint` (#342).

    Change all `Upsert` and `Update` requests to accept
    `*tarantool.Operations`  as `ops` parameters instead of
    `interface{}` (#348).

    Change `OverrideSchema(*Schema)` to `SetSchema(Schema)` (#7).

    Change values, stored by pointers in the `Schema`, `Space`,
    `Index` structs,  to be stored by their values (#7).

    Make `Dialer` mandatory for creation a single connection (#321).

    Remove `Connection.RemoteAddr()`, `Connection.LocalAddr()`.
    Add `Addr()` function instead (#321).

    Remove `Connection.ClientProtocolInfo`,
    `Connection.ServerProtocolInfo`. Add `ProtocolInfo()` function
    instead, which returns the server protocol info (#321).

    `NewWatcher` checks the actual features of the server, rather
    than relying on the features provided by the user during connection
    creation (#321).

    `pool.NewWatcher` does not create watchers for connections that do
    not support it (#321).

    Rename `pool.GetPoolInfo` to `pool.GetInfo`. Change return type to
    `map[string]ConnectionInfo` (#321).

    `Response` is now an interface (#237).

    All responses are now implementations of the `Response`
    interface (#237). `SelectResponse`, `ExecuteResponse`,
    `PrepareResponse`, `PushResponse` are part of a public API.
    `Pos()`, `MetaData()`, `SQLInfo()` methods created for them to
    get specific info. Special types of responses are used with
    special requests.

    `IsPush()` method is added to the response iterator (#237). It
    returns the information if the current response is a
    `PushResponse`. `PushCode` constant is removed.

    Method `Get` for `Future` now returns response data (#237). To get
    the actual response new `GetResponse` method has been added.
    Methods `AppendPush` and `SetResponse` accept response `Header`
    and data as their arguments.

    `Future` constructors now accept `Request` as their argument
    (#237).

    Operations `Ping`, `Select`, `Insert`, `Replace`, `Delete`,
    `Update`, `Upsert`, `Call`, `Call16`, `Call17`, `Eval`, `Execute`
    of a `Connector` and `Pooler` return response data instead of an
    actual responses (#237).

    `pool.Connect`, `pool.ConnetcWithOpts` and `pool.Add` use a
    new type `pool.Instance` to determinate connection options (#356).

    `pool.Connect`, `pool.ConnectWithOpts` and `pool.Add` add
    connections to the pool even it is unable to connect to it (#372).

    Required Go version from `1.13` to `1.20` (#378).

    multi subpackage is removed (#240).

    msgpack.v2 support is removed (#236).

    pool/RoundRobinStrategy is removed (#158).

    DeadlineIO is removed (#158).

    UUID_extId is removed (#158).

    IPROTO constants are removed (#158).

    Code() method from the Request interface is removed (#158).

    `Schema` field from the `Connection` struct is removed (#7).

    `OkCode` and `PushCode` constants is removed (#237).

    SSL support is removed (#301).

    `Future.Err()` method is removed (#382).

New features

    Type() method to the Request interface (#158).

    Enumeration types for RLimitAction/iterators (#158).

    IsNullable flag for Field (#302).

    Meaningful description for read/write socket errors (#129).

    Support `operation_data` in `crud.Error` (#330).

    Support `fetch_latest_metadata` option for crud requests with
    metadata (#335).

    Support `noreturn` option for data change crud requests (#335).

    Support `crud.schema` request (#336, #351).

    Support `IPROTO_WATCH_ONCE` request type for Tarantool
    version >= 3.0.0-alpha1 (#337).

    Support `yield_every` option for crud select requests (#350).

    Support `IPROTO_FEATURE_SPACE_AND_INDEX_NAMES` for Tarantool
    version >= 3.0.0-alpha1 (#338). It allows to use space and index
    names in requests instead of their IDs.

    `GetSchema` function to get the actual schema (#7).

    Support connection via an existing socket fd (#321).

    `Header` struct for the response header (#237). It can be accessed
    via `Header()` method of the `Response` interface.

   `Response` method added to the `Request` interface (#237).

   New `LogAppendPushFailed` connection log constant (#237).
   It is logged when connection fails to append a push response.

   `ErrorNo` constant that indicates that no error has occurred while
   getting the response (#237).

   `AuthDialer` type for creating a dialer with authentication (#301).

   `ProtocolDialer` type for creating a dialer with `ProtocolInfo`
   receiving and  check (#301).

   `GreetingDialer` type for creating a dialer, that fills `Greeting`
   of a connection (#301).

   New method `Pool.DoInstance` to execute a request on a target
   instance in a pool (#376).

Bugfixes

    Race condition at roundRobinStrategy.GetNextConnection() (#309).

    Incorrect decoding of an MP_DECIMAL when the `scale` value is
    negative (#314).

    Incorrect options (`after`, `batch_size` and `force_map_call`)
    setup for crud.SelectRequest (#320).

    Incorrect options (`vshard_router`, `fields`, `bucket_id`, `mode`,
    `prefer_replica`, `balance`) setup for crud.GetRequest (#335).

    Splice update operation accepts 3 arguments instead of 5 (#348).

    Unable to use a slice of custom types as a slice of tuples or
    objects for `crud.*ManyRequest/crud.*ObjectManyRequest` (#365).

Testing

    More linters on CI (#310).

    Added an ability to mock connections for tests (#237). Added new
    types `MockDoer`, `MockRequest` to `test_helpers`.

    Fixed flaky decimal/TestSelect (#300).

    Fixed tests with crud 1.4.0 (#336).

    Fixed tests with case sensitive SQL (#341).

    Renamed `StrangerResponse` to `MockResponse` (#237).

Other

    All Connection.<Request>, Connection.<Request>Typed and
    Connection.<Request>Async methods are now deprecated. Instead you
    should use requests objects + Connection.Do() (#241).

    All ConnectionPool.<Request>, ConnectionPool.<Request>Typed and
    ConnectionPool.<Request>Async methods are now deprecated. Instead
    you should use requests objects + ConnectionPool.Do() (#241).

    box.session.push() usage is deprecated: Future.AppendPush() and
    Future.GetIterator() methods, ResponseIterator and
    TimeoutResponseIterator types (#324).

1. https://github.com/tarantool/go-tlsdialer
2. https://github.com/tarantool/go-tarantool/blob/master/MIGRATION.md
oleg-jukovec added a commit that referenced this issue Feb 12, 2024
Overview

    There are a lot of changes in the new major version. The main ones:

    * The `go_tarantool_call_17` build tag is no longer needed, since
      by default the `CallRequest` is `Call17Request`.
    * The `go_tarantool_msgpack_v5` build tag is no longer needed,
      since only the `msgpack/v5` library is used.
    * The `go_tarantool_ssl_disable` build tag is no longer needed,
      since the connector is no longer depends on `OpenSSL` by default.
      You could use the external library go-tlsdialer[1] to create a
      connection with the `ssl` transport.
    * Required Go version is `1.20` now.
    * The `Connect` function became more flexible. It now allows
      to create a connection with cancellation and a custom `Dialer`
      implementation.
    * It is required to use `Request` implementation types with the
      `Connection.Do` method instead of `Connection.<Request>` methods.
    * The `connection_pool` package renamed to `pool`.

    See the migration guide[2] for more details.

Breaking changes

    connection_pool renamed to pool (#239).

    Use msgpack/v5 instead of msgpack.v2 (#236).

    Call/NewCallRequest = Call17/NewCall17Request (#235).

    Change encoding of the queue.Identify() UUID argument from binary
    blob to plain string. Needed for upgrade to Tarantool 3.0, where a
    binary blob is decoded to a varbinary object (#313).

    Use objects of the Decimal type instead of pointers (#238).

    Use objects of the Datetime type instead of pointers (#238).

    `connection.Connect` no longer return non-working connection
    objects (#136). This function now does not attempt to reconnect
    and tries to establish a connection only once. Function might be
    canceled via context. Context accepted as first argument.
    `pool.Connect` and `pool.Add` now accept context as the first
    argument, which user may cancel in process. If `pool.Connect` is
    canceled in progress, an error will be returned. All created
    connections will be closed.

    `iproto.Feature` type now used instead of `ProtocolFeature` (#337).

    `iproto.IPROTO_FEATURE_` constants now used instead of local
    `Feature` constants for `protocol` (#337).

    Change `crud` operations `Timeout` option type to `crud.OptFloat64`
    instead of `crud.OptUint` (#342).

    Change all `Upsert` and `Update` requests to accept
    `*tarantool.Operations`  as `ops` parameters instead of
    `interface{}` (#348).

    Change `OverrideSchema(*Schema)` to `SetSchema(Schema)` (#7).

    Change values, stored by pointers in the `Schema`, `Space`,
    `Index` structs,  to be stored by their values (#7).

    Make `Dialer` mandatory for creation a single connection (#321).

    Remove `Connection.RemoteAddr()`, `Connection.LocalAddr()`.
    Add `Addr()` function instead (#321).

    Remove `Connection.ClientProtocolInfo`,
    `Connection.ServerProtocolInfo`. Add `ProtocolInfo()` function
    instead, which returns the server protocol info (#321).

    `NewWatcher` checks the actual features of the server, rather
    than relying on the features provided by the user during connection
    creation (#321).

    `pool.NewWatcher` does not create watchers for connections that do
    not support it (#321).

    Rename `pool.GetPoolInfo` to `pool.GetInfo`. Change return type to
    `map[string]ConnectionInfo` (#321).

    `Response` is now an interface (#237).

    All responses are now implementations of the `Response`
    interface (#237). `SelectResponse`, `ExecuteResponse`,
    `PrepareResponse`, `PushResponse` are part of a public API.
    `Pos()`, `MetaData()`, `SQLInfo()` methods created for them to
    get specific info. Special types of responses are used with
    special requests.

    `IsPush()` method is added to the response iterator (#237). It
    returns the information if the current response is a
    `PushResponse`. `PushCode` constant is removed.

    Method `Get` for `Future` now returns response data (#237). To get
    the actual response new `GetResponse` method has been added.
    Methods `AppendPush` and `SetResponse` accept response `Header`
    and data as their arguments.

    `Future` constructors now accept `Request` as their argument
    (#237).

    Operations `Ping`, `Select`, `Insert`, `Replace`, `Delete`,
    `Update`, `Upsert`, `Call`, `Call16`, `Call17`, `Eval`, `Execute`
    of a `Connector` and `Pooler` return response data instead of an
    actual responses (#237).

    `pool.Connect`, `pool.ConnetcWithOpts` and `pool.Add` use a
    new type `pool.Instance` to determinate connection options (#356).

    `pool.Connect`, `pool.ConnectWithOpts` and `pool.Add` add
    connections to the pool even it is unable to connect to it (#372).

    Required Go version from `1.13` to `1.20` (#378).

    multi subpackage is removed (#240).

    msgpack.v2 support is removed (#236).

    pool/RoundRobinStrategy is removed (#158).

    DeadlineIO is removed (#158).

    UUID_extId is removed (#158).

    IPROTO constants are removed (#158).

    Code() method from the Request interface is removed (#158).

    `Schema` field from the `Connection` struct is removed (#7).

    `OkCode` and `PushCode` constants is removed (#237).

    SSL support is removed (#301).

    `Future.Err()` method is removed (#382).

New features

    Type() method to the Request interface (#158).

    Enumeration types for RLimitAction/iterators (#158).

    IsNullable flag for Field (#302).

    Meaningful description for read/write socket errors (#129).

    Support `operation_data` in `crud.Error` (#330).

    Support `fetch_latest_metadata` option for crud requests with
    metadata (#335).

    Support `noreturn` option for data change crud requests (#335).

    Support `crud.schema` request (#336, #351).

    Support `IPROTO_WATCH_ONCE` request type for Tarantool
    version >= 3.0.0-alpha1 (#337).

    Support `yield_every` option for crud select requests (#350).

    Support `IPROTO_FEATURE_SPACE_AND_INDEX_NAMES` for Tarantool
    version >= 3.0.0-alpha1 (#338). It allows to use space and index
    names in requests instead of their IDs.

    `GetSchema` function to get the actual schema (#7).

    Support connection via an existing socket fd (#321).

    `Header` struct for the response header (#237). It can be accessed
    via `Header()` method of the `Response` interface.

   `Response` method added to the `Request` interface (#237).

   New `LogAppendPushFailed` connection log constant (#237).
   It is logged when connection fails to append a push response.

   `ErrorNo` constant that indicates that no error has occurred while
   getting the response (#237).

   `AuthDialer` type for creating a dialer with authentication (#301).

   `ProtocolDialer` type for creating a dialer with `ProtocolInfo`
   receiving and  check (#301).

   `GreetingDialer` type for creating a dialer, that fills `Greeting`
   of a connection (#301).

   New method `Pool.DoInstance` to execute a request on a target
   instance in a pool (#376).

Bugfixes

    Race condition at roundRobinStrategy.GetNextConnection() (#309).

    Incorrect decoding of an MP_DECIMAL when the `scale` value is
    negative (#314).

    Incorrect options (`after`, `batch_size` and `force_map_call`)
    setup for crud.SelectRequest (#320).

    Incorrect options (`vshard_router`, `fields`, `bucket_id`, `mode`,
    `prefer_replica`, `balance`) setup for crud.GetRequest (#335).

    Splice update operation accepts 3 arguments instead of 5 (#348).

    Unable to use a slice of custom types as a slice of tuples or
    objects for `crud.*ManyRequest/crud.*ObjectManyRequest` (#365).

Testing

    More linters on CI (#310).

    Added an ability to mock connections for tests (#237). Added new
    types `MockDoer`, `MockRequest` to `test_helpers`.

    Fixed flaky decimal/TestSelect (#300).

    Fixed tests with crud 1.4.0 (#336).

    Fixed tests with case sensitive SQL (#341).

    Renamed `StrangerResponse` to `MockResponse` (#237).

Other

    All Connection.<Request>, Connection.<Request>Typed and
    Connection.<Request>Async methods are now deprecated. Instead you
    should use requests objects + Connection.Do() (#241).

    All ConnectionPool.<Request>, ConnectionPool.<Request>Typed and
    ConnectionPool.<Request>Async methods are now deprecated. Instead
    you should use requests objects + ConnectionPool.Do() (#241).

    box.session.push() usage is deprecated: Future.AppendPush() and
    Future.GetIterator() methods, ResponseIterator and
    TimeoutResponseIterator types (#324).

1. https://github.com/tarantool/go-tlsdialer
2. https://github.com/tarantool/go-tarantool/blob/master/MIGRATION.md
oleg-jukovec added a commit that referenced this issue Feb 12, 2024
Overview

    There are a lot of changes in the new major version. The main ones:

    * The `go_tarantool_call_17` build tag is no longer needed, since
      by default the `CallRequest` is `Call17Request`.
    * The `go_tarantool_msgpack_v5` build tag is no longer needed,
      since only the `msgpack/v5` library is used.
    * The `go_tarantool_ssl_disable` build tag is no longer needed,
      since the connector is no longer depends on `OpenSSL` by default.
      You could use the external library go-tlsdialer[1] to create a
      connection with the `ssl` transport.
    * Required Go version is `1.20` now.
    * The `Connect` function became more flexible. It now allows
      to create a connection with cancellation and a custom `Dialer`
      implementation.
    * It is required to use `Request` implementation types with the
      `Connection.Do` method instead of `Connection.<Request>` methods.
    * The `connection_pool` package renamed to `pool`.

    See the migration guide[2] for more details.

Breaking changes

    connection_pool renamed to pool (#239).

    Use msgpack/v5 instead of msgpack.v2 (#236).

    Call/NewCallRequest = Call17/NewCall17Request (#235).

    Change encoding of the queue.Identify() UUID argument from binary
    blob to plain string. Needed for upgrade to Tarantool 3.0, where a
    binary blob is decoded to a varbinary object (#313).

    Use objects of the Decimal type instead of pointers (#238).

    Use objects of the Datetime type instead of pointers (#238).

    `connection.Connect` no longer return non-working connection
    objects (#136). This function now does not attempt to reconnect
    and tries to establish a connection only once. Function might be
    canceled via context. Context accepted as first argument.
    `pool.Connect` and `pool.Add` now accept context as the first
    argument, which user may cancel in process. If `pool.Connect` is
    canceled in progress, an error will be returned. All created
    connections will be closed.

    `iproto.Feature` type now used instead of `ProtocolFeature` (#337).

    `iproto.IPROTO_FEATURE_` constants now used instead of local
    `Feature` constants for `protocol` (#337).

    Change `crud` operations `Timeout` option type to `crud.OptFloat64`
    instead of `crud.OptUint` (#342).

    Change all `Upsert` and `Update` requests to accept
    `*tarantool.Operations`  as `ops` parameters instead of
    `interface{}` (#348).

    Change `OverrideSchema(*Schema)` to `SetSchema(Schema)` (#7).

    Change values, stored by pointers in the `Schema`, `Space`,
    `Index` structs,  to be stored by their values (#7).

    Make `Dialer` mandatory for creation a single connection (#321).

    Remove `Connection.RemoteAddr()`, `Connection.LocalAddr()`.
    Add `Addr()` function instead (#321).

    Remove `Connection.ClientProtocolInfo`,
    `Connection.ServerProtocolInfo`. Add `ProtocolInfo()` function
    instead, which returns the server protocol info (#321).

    `NewWatcher` checks the actual features of the server, rather
    than relying on the features provided by the user during connection
    creation (#321).

    `pool.NewWatcher` does not create watchers for connections that do
    not support it (#321).

    Rename `pool.GetPoolInfo` to `pool.GetInfo`. Change return type to
    `map[string]ConnectionInfo` (#321).

    `Response` is now an interface (#237).

    All responses are now implementations of the `Response`
    interface (#237). `SelectResponse`, `ExecuteResponse`,
    `PrepareResponse`, `PushResponse` are part of a public API.
    `Pos()`, `MetaData()`, `SQLInfo()` methods created for them to
    get specific info. Special types of responses are used with
    special requests.

    `IsPush()` method is added to the response iterator (#237). It
    returns the information if the current response is a
    `PushResponse`. `PushCode` constant is removed.

    Method `Get` for `Future` now returns response data (#237). To get
    the actual response new `GetResponse` method has been added.
    Methods `AppendPush` and `SetResponse` accept response `Header`
    and data as their arguments.

    `Future` constructors now accept `Request` as their argument
    (#237).

    Operations `Ping`, `Select`, `Insert`, `Replace`, `Delete`,
    `Update`, `Upsert`, `Call`, `Call16`, `Call17`, `Eval`, `Execute`
    of a `Connector` and `Pooler` return response data instead of an
    actual responses (#237).

    `pool.Connect`, `pool.ConnetcWithOpts` and `pool.Add` use a
    new type `pool.Instance` to determinate connection options (#356).

    `pool.Connect`, `pool.ConnectWithOpts` and `pool.Add` add
    connections to the pool even it is unable to connect to it (#372).

    Required Go version from `1.13` to `1.20` (#378).

    multi subpackage is removed (#240).

    msgpack.v2 support is removed (#236).

    pool/RoundRobinStrategy is removed (#158).

    DeadlineIO is removed (#158).

    UUID_extId is removed (#158).

    IPROTO constants are removed (#158).

    Code() method from the Request interface is removed (#158).

    `Schema` field from the `Connection` struct is removed (#7).

    `OkCode` and `PushCode` constants is removed (#237).

    SSL support is removed (#301).

    `Future.Err()` method is removed (#382).

New features

    Type() method to the Request interface (#158).

    Enumeration types for RLimitAction/iterators (#158).

    IsNullable flag for Field (#302).

    Meaningful description for read/write socket errors (#129).

    Support `operation_data` in `crud.Error` (#330).

    Support `fetch_latest_metadata` option for crud requests with
    metadata (#335).

    Support `noreturn` option for data change crud requests (#335).

    Support `crud.schema` request (#336, #351).

    Support `IPROTO_WATCH_ONCE` request type for Tarantool
    version >= 3.0.0-alpha1 (#337).

    Support `yield_every` option for crud select requests (#350).

    Support `IPROTO_FEATURE_SPACE_AND_INDEX_NAMES` for Tarantool
    version >= 3.0.0-alpha1 (#338). It allows to use space and index
    names in requests instead of their IDs.

    `GetSchema` function to get the actual schema (#7).

    Support connection via an existing socket fd (#321).

    `Header` struct for the response header (#237). It can be accessed
    via `Header()` method of the `Response` interface.

   `Response` method added to the `Request` interface (#237).

   New `LogAppendPushFailed` connection log constant (#237).
   It is logged when connection fails to append a push response.

   `ErrorNo` constant that indicates that no error has occurred while
   getting the response (#237).

   `AuthDialer` type for creating a dialer with authentication (#301).

   `ProtocolDialer` type for creating a dialer with `ProtocolInfo`
   receiving and  check (#301).

   `GreetingDialer` type for creating a dialer, that fills `Greeting`
   of a connection (#301).

   New method `Pool.DoInstance` to execute a request on a target
   instance in a pool (#376).

Bugfixes

    Race condition at roundRobinStrategy.GetNextConnection() (#309).

    Incorrect decoding of an MP_DECIMAL when the `scale` value is
    negative (#314).

    Incorrect options (`after`, `batch_size` and `force_map_call`)
    setup for crud.SelectRequest (#320).

    Incorrect options (`vshard_router`, `fields`, `bucket_id`, `mode`,
    `prefer_replica`, `balance`) setup for crud.GetRequest (#335).

    Splice update operation accepts 3 arguments instead of 5 (#348).

    Unable to use a slice of custom types as a slice of tuples or
    objects for `crud.*ManyRequest/crud.*ObjectManyRequest` (#365).

Testing

    More linters on CI (#310).

    Added an ability to mock connections for tests (#237). Added new
    types `MockDoer`, `MockRequest` to `test_helpers`.

    Fixed flaky decimal/TestSelect (#300).

    Fixed tests with crud 1.4.0 (#336).

    Fixed tests with case sensitive SQL (#341).

    Renamed `StrangerResponse` to `MockResponse` (#237).

Other

    All Connection.<Request>, Connection.<Request>Typed and
    Connection.<Request>Async methods are now deprecated. Instead you
    should use requests objects + Connection.Do() (#241).

    All ConnectionPool.<Request>, ConnectionPool.<Request>Typed and
    ConnectionPool.<Request>Async methods are now deprecated. Instead
    you should use requests objects + ConnectionPool.Do() (#241).

    box.session.push() usage is deprecated: Future.AppendPush() and
    Future.GetIterator() methods, ResponseIterator and
    TimeoutResponseIterator types (#324).

1. https://github.com/tarantool/go-tlsdialer
2. https://github.com/tarantool/go-tarantool/blob/master/MIGRATION.md
oleg-jukovec added a commit that referenced this issue Feb 12, 2024
Overview

    There are a lot of changes in the new major version. The main ones:

    * The `go_tarantool_call_17` build tag is no longer needed, since
      by default the `CallRequest` is `Call17Request`.
    * The `go_tarantool_msgpack_v5` build tag is no longer needed,
      since only the `msgpack/v5` library is used.
    * The `go_tarantool_ssl_disable` build tag is no longer needed,
      since the connector is no longer depends on `OpenSSL` by default.
      You could use the external library go-tlsdialer[1] to create a
      connection with the `ssl` transport.
    * Required Go version is `1.20` now.
    * The `Connect` function became more flexible. It now allows
      to create a connection with cancellation and a custom `Dialer`
      implementation.
    * It is required to use `Request` implementation types with the
      `Connection.Do` method instead of `Connection.<Request>` methods.
    * The `connection_pool` package renamed to `pool`.

    See the migration guide[2] for more details.

Breaking changes

    connection_pool renamed to pool (#239).

    Use msgpack/v5 instead of msgpack.v2 (#236).

    Call/NewCallRequest = Call17/NewCall17Request (#235).

    Change encoding of the queue.Identify() UUID argument from binary
    blob to plain string. Needed for upgrade to Tarantool 3.0, where a
    binary blob is decoded to a varbinary object (#313).

    Use objects of the Decimal type instead of pointers (#238).

    Use objects of the Datetime type instead of pointers (#238).

    `connection.Connect` no longer return non-working connection
    objects (#136). This function now does not attempt to reconnect
    and tries to establish a connection only once. Function might be
    canceled via context. Context accepted as first argument.
    `pool.Connect` and `pool.Add` now accept context as the first
    argument, which user may cancel in process. If `pool.Connect` is
    canceled in progress, an error will be returned. All created
    connections will be closed.

    `iproto.Feature` type now used instead of `ProtocolFeature` (#337).

    `iproto.IPROTO_FEATURE_` constants now used instead of local
    `Feature` constants for `protocol` (#337).

    Change `crud` operations `Timeout` option type to `crud.OptFloat64`
    instead of `crud.OptUint` (#342).

    Change all `Upsert` and `Update` requests to accept
    `*tarantool.Operations`  as `ops` parameters instead of
    `interface{}` (#348).

    Change `OverrideSchema(*Schema)` to `SetSchema(Schema)` (#7).

    Change values, stored by pointers in the `Schema`, `Space`,
    `Index` structs,  to be stored by their values (#7).

    Make `Dialer` mandatory for creation a single connection (#321).

    Remove `Connection.RemoteAddr()`, `Connection.LocalAddr()`.
    Add `Addr()` function instead (#321).

    Remove `Connection.ClientProtocolInfo`,
    `Connection.ServerProtocolInfo`. Add `ProtocolInfo()` function
    instead, which returns the server protocol info (#321).

    `NewWatcher` checks the actual features of the server, rather
    than relying on the features provided by the user during connection
    creation (#321).

    `pool.NewWatcher` does not create watchers for connections that do
    not support it (#321).

    Rename `pool.GetPoolInfo` to `pool.GetInfo`. Change return type to
    `map[string]ConnectionInfo` (#321).

    `Response` is now an interface (#237).

    All responses are now implementations of the `Response`
    interface (#237). `SelectResponse`, `ExecuteResponse`,
    `PrepareResponse`, `PushResponse` are part of a public API.
    `Pos()`, `MetaData()`, `SQLInfo()` methods created for them to
    get specific info. Special types of responses are used with
    special requests.

    `IsPush()` method is added to the response iterator (#237). It
    returns the information if the current response is a
    `PushResponse`. `PushCode` constant is removed.

    Method `Get` for `Future` now returns response data (#237). To get
    the actual response new `GetResponse` method has been added.
    Methods `AppendPush` and `SetResponse` accept response `Header`
    and data as their arguments.

    `Future` constructors now accept `Request` as their argument
    (#237).

    Operations `Ping`, `Select`, `Insert`, `Replace`, `Delete`,
    `Update`, `Upsert`, `Call`, `Call16`, `Call17`, `Eval`, `Execute`
    of a `Connector` and `Pooler` return response data instead of an
    actual responses (#237).

    `pool.Connect`, `pool.ConnetcWithOpts` and `pool.Add` use a
    new type `pool.Instance` to determinate connection options (#356).

    `pool.Connect`, `pool.ConnectWithOpts` and `pool.Add` add
    connections to the pool even it is unable to connect to it (#372).

    Required Go version from `1.13` to `1.20` (#378).

    multi subpackage is removed (#240).

    msgpack.v2 support is removed (#236).

    pool/RoundRobinStrategy is removed (#158).

    DeadlineIO is removed (#158).

    UUID_extId is removed (#158).

    IPROTO constants are removed (#158).

    Code() method from the Request interface is removed (#158).

    `Schema` field from the `Connection` struct is removed (#7).

    `OkCode` and `PushCode` constants is removed (#237).

    SSL support is removed (#301).

    `Future.Err()` method is removed (#382).

New features

    Type() method to the Request interface (#158).

    Enumeration types for RLimitAction/iterators (#158).

    IsNullable flag for Field (#302).

    Meaningful description for read/write socket errors (#129).

    Support `operation_data` in `crud.Error` (#330).

    Support `fetch_latest_metadata` option for crud requests with
    metadata (#335).

    Support `noreturn` option for data change crud requests (#335).

    Support `crud.schema` request (#336, #351).

    Support `IPROTO_WATCH_ONCE` request type for Tarantool
    version >= 3.0.0-alpha1 (#337).

    Support `yield_every` option for crud select requests (#350).

    Support `IPROTO_FEATURE_SPACE_AND_INDEX_NAMES` for Tarantool
    version >= 3.0.0-alpha1 (#338). It allows to use space and index
    names in requests instead of their IDs.

    `GetSchema` function to get the actual schema (#7).

    Support connection via an existing socket fd (#321).

    `Header` struct for the response header (#237). It can be accessed
    via `Header()` method of the `Response` interface.

   `Response` method added to the `Request` interface (#237).

   New `LogAppendPushFailed` connection log constant (#237).
   It is logged when connection fails to append a push response.

   `ErrorNo` constant that indicates that no error has occurred while
   getting the response (#237).

   `AuthDialer` type for creating a dialer with authentication (#301).

   `ProtocolDialer` type for creating a dialer with `ProtocolInfo`
   receiving and  check (#301).

   `GreetingDialer` type for creating a dialer, that fills `Greeting`
   of a connection (#301).

   New method `Pool.DoInstance` to execute a request on a target
   instance in a pool (#376).

Bugfixes

    Race condition at roundRobinStrategy.GetNextConnection() (#309).

    Incorrect decoding of an MP_DECIMAL when the `scale` value is
    negative (#314).

    Incorrect options (`after`, `batch_size` and `force_map_call`)
    setup for crud.SelectRequest (#320).

    Incorrect options (`vshard_router`, `fields`, `bucket_id`, `mode`,
    `prefer_replica`, `balance`) setup for crud.GetRequest (#335).

    Splice update operation accepts 3 arguments instead of 5 (#348).

    Unable to use a slice of custom types as a slice of tuples or
    objects for `crud.*ManyRequest/crud.*ObjectManyRequest` (#365).

Testing

    More linters on CI (#310).

    Added an ability to mock connections for tests (#237). Added new
    types `MockDoer`, `MockRequest` to `test_helpers`.

    Fixed flaky decimal/TestSelect (#300).

    Fixed tests with crud 1.4.0 (#336).

    Fixed tests with case sensitive SQL (#341).

    Renamed `StrangerResponse` to `MockResponse` (#237).

Other

    All Connection.<Request>, Connection.<Request>Typed and
    Connection.<Request>Async methods are now deprecated. Instead you
    should use requests objects + Connection.Do() (#241).

    All ConnectionPool.<Request>, ConnectionPool.<Request>Typed and
    ConnectionPool.<Request>Async methods are now deprecated. Instead
    you should use requests objects + ConnectionPool.Do() (#241).

    box.session.push() usage is deprecated: Future.AppendPush() and
    Future.GetIterator() methods, ResponseIterator and
    TimeoutResponseIterator types (#324).

1. https://github.com/tarantool/go-tlsdialer
2. https://github.com/tarantool/go-tarantool/blob/master/MIGRATION.md
oleg-jukovec added a commit that referenced this issue Feb 12, 2024
Overview

    There are a lot of changes in the new major version. The main ones:

    * The `go_tarantool_call_17` build tag is no longer needed, since
      by default the `CallRequest` is `Call17Request`.
    * The `go_tarantool_msgpack_v5` build tag is no longer needed,
      since only the `msgpack/v5` library is used.
    * The `go_tarantool_ssl_disable` build tag is no longer needed,
      since the connector is no longer depends on `OpenSSL` by default.
      You could use the external library go-tlsdialer[1] to create a
      connection with the `ssl` transport.
    * Required Go version is `1.20` now.
    * The `Connect` function became more flexible. It now allows
      to create a connection with cancellation and a custom `Dialer`
      implementation.
    * It is required to use `Request` implementation types with the
      `Connection.Do` method instead of `Connection.<Request>` methods.
    * The `connection_pool` package renamed to `pool`.

    See the migration guide[2] for more details.

Breaking changes

    connection_pool renamed to pool (#239).

    Use msgpack/v5 instead of msgpack.v2 (#236).

    Call/NewCallRequest = Call17/NewCall17Request (#235).

    Change encoding of the queue.Identify() UUID argument from binary
    blob to plain string. Needed for upgrade to Tarantool 3.0, where a
    binary blob is decoded to a varbinary object (#313).

    Use objects of the Decimal type instead of pointers (#238).

    Use objects of the Datetime type instead of pointers (#238).

    `connection.Connect` no longer return non-working connection
    objects (#136). This function now does not attempt to reconnect
    and tries to establish a connection only once. Function might be
    canceled via context. Context accepted as first argument.
    `pool.Connect` and `pool.Add` now accept context as the first
    argument, which user may cancel in process. If `pool.Connect` is
    canceled in progress, an error will be returned. All created
    connections will be closed.

    `iproto.Feature` type now used instead of `ProtocolFeature` (#337).

    `iproto.IPROTO_FEATURE_` constants now used instead of local
    `Feature` constants for `protocol` (#337).

    Change `crud` operations `Timeout` option type to `crud.OptFloat64`
    instead of `crud.OptUint` (#342).

    Change all `Upsert` and `Update` requests to accept
    `*tarantool.Operations`  as `ops` parameters instead of
    `interface{}` (#348).

    Change `OverrideSchema(*Schema)` to `SetSchema(Schema)` (#7).

    Change values, stored by pointers in the `Schema`, `Space`,
    `Index` structs,  to be stored by their values (#7).

    Make `Dialer` mandatory for creation a single connection (#321).

    Remove `Connection.RemoteAddr()`, `Connection.LocalAddr()`.
    Add `Addr()` function instead (#321).

    Remove `Connection.ClientProtocolInfo`,
    `Connection.ServerProtocolInfo`. Add `ProtocolInfo()` function
    instead, which returns the server protocol info (#321).

    `NewWatcher` checks the actual features of the server, rather
    than relying on the features provided by the user during connection
    creation (#321).

    `pool.NewWatcher` does not create watchers for connections that do
    not support it (#321).

    Rename `pool.GetPoolInfo` to `pool.GetInfo`. Change return type to
    `map[string]ConnectionInfo` (#321).

    `Response` is now an interface (#237).

    All responses are now implementations of the `Response`
    interface (#237). `SelectResponse`, `ExecuteResponse`,
    `PrepareResponse`, `PushResponse` are part of a public API.
    `Pos()`, `MetaData()`, `SQLInfo()` methods created for them to
    get specific info. Special types of responses are used with
    special requests.

    `IsPush()` method is added to the response iterator (#237). It
    returns the information if the current response is a
    `PushResponse`. `PushCode` constant is removed.

    Method `Get` for `Future` now returns response data (#237). To get
    the actual response new `GetResponse` method has been added.
    Methods `AppendPush` and `SetResponse` accept response `Header`
    and data as their arguments.

    `Future` constructors now accept `Request` as their argument
    (#237).

    Operations `Ping`, `Select`, `Insert`, `Replace`, `Delete`,
    `Update`, `Upsert`, `Call`, `Call16`, `Call17`, `Eval`, `Execute`
    of a `Connector` and `Pooler` return response data instead of an
    actual responses (#237).

    `pool.Connect`, `pool.ConnetcWithOpts` and `pool.Add` use a
    new type `pool.Instance` to determinate connection options (#356).

    `pool.Connect`, `pool.ConnectWithOpts` and `pool.Add` add
    connections to the pool even it is unable to connect to it (#372).

    Required Go version from `1.13` to `1.20` (#378).

    multi subpackage is removed (#240).

    msgpack.v2 support is removed (#236).

    pool/RoundRobinStrategy is removed (#158).

    DeadlineIO is removed (#158).

    UUID_extId is removed (#158).

    IPROTO constants are removed (#158).

    Code() method from the Request interface is removed (#158).

    `Schema` field from the `Connection` struct is removed (#7).

    `OkCode` and `PushCode` constants is removed (#237).

    SSL support is removed (#301).

    `Future.Err()` method is removed (#382).

New features

    Type() method to the Request interface (#158).

    Enumeration types for RLimitAction/iterators (#158).

    IsNullable flag for Field (#302).

    Meaningful description for read/write socket errors (#129).

    Support `operation_data` in `crud.Error` (#330).

    Support `fetch_latest_metadata` option for crud requests with
    metadata (#335).

    Support `noreturn` option for data change crud requests (#335).

    Support `crud.schema` request (#336, #351).

    Support `IPROTO_WATCH_ONCE` request type for Tarantool
    version >= 3.0.0-alpha1 (#337).

    Support `yield_every` option for crud select requests (#350).

    Support `IPROTO_FEATURE_SPACE_AND_INDEX_NAMES` for Tarantool
    version >= 3.0.0-alpha1 (#338). It allows to use space and index
    names in requests instead of their IDs.

    `GetSchema` function to get the actual schema (#7).

    Support connection via an existing socket fd (#321).

    `Header` struct for the response header (#237). It can be accessed
    via `Header()` method of the `Response` interface.

   `Response` method added to the `Request` interface (#237).

   New `LogAppendPushFailed` connection log constant (#237).
   It is logged when connection fails to append a push response.

   `ErrorNo` constant that indicates that no error has occurred while
   getting the response (#237).

   `AuthDialer` type for creating a dialer with authentication (#301).

   `ProtocolDialer` type for creating a dialer with `ProtocolInfo`
   receiving and  check (#301).

   `GreetingDialer` type for creating a dialer, that fills `Greeting`
   of a connection (#301).

   New method `Pool.DoInstance` to execute a request on a target
   instance in a pool (#376).

Bugfixes

    Race condition at roundRobinStrategy.GetNextConnection() (#309).

    Incorrect decoding of an MP_DECIMAL when the `scale` value is
    negative (#314).

    Incorrect options (`after`, `batch_size` and `force_map_call`)
    setup for crud.SelectRequest (#320).

    Incorrect options (`vshard_router`, `fields`, `bucket_id`, `mode`,
    `prefer_replica`, `balance`) setup for crud.GetRequest (#335).

    Splice update operation accepts 3 arguments instead of 5 (#348).

    Unable to use a slice of custom types as a slice of tuples or
    objects for `crud.*ManyRequest/crud.*ObjectManyRequest` (#365).

Testing

    More linters on CI (#310).

    Added an ability to mock connections for tests (#237). Added new
    types `MockDoer`, `MockRequest` to `test_helpers`.

    Fixed flaky decimal/TestSelect (#300).

    Fixed tests with crud 1.4.0 (#336).

    Fixed tests with case sensitive SQL (#341).

    Renamed `StrangerResponse` to `MockResponse` (#237).

Other

    All Connection.<Request>, Connection.<Request>Typed and
    Connection.<Request>Async methods are now deprecated. Instead you
    should use requests objects + Connection.Do() (#241).

    All ConnectionPool.<Request>, ConnectionPool.<Request>Typed and
    ConnectionPool.<Request>Async methods are now deprecated. Instead
    you should use requests objects + ConnectionPool.Do() (#241).

    box.session.push() usage is deprecated: Future.AppendPush() and
    Future.GetIterator() methods, ResponseIterator and
    TimeoutResponseIterator types (#324).

1. https://github.com/tarantool/go-tlsdialer
2. https://github.com/tarantool/go-tarantool/blob/master/MIGRATION.md
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