sea-orm 0.10.1

🐚 An async & dynamic ORM for Rust
Documentation
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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](http://keepachangelog.com/)
and this project adheres to [Semantic Versioning](http://semver.org/).


## 0.10.1 - 2022-10-27

> This is a release candidate. We are still updating the documentation and examples, as well as fixing critical bugs if there are any (in that case the current version might be yanked). Please check it out and provide feedback to us!

### Enhancements

* [sea-orm-cli] Escape module name defined with Rust keywords https://github.com/SeaQL/sea-orm/pull/1052
* [sea-orm-cli] Check to make sure migration name doesn't contain hyphen `-` in it https://github.com/SeaQL/sea-orm/pull/879, https://github.com/SeaQL/sea-orm/pull/1155
* Support `time` crate for SQLite https://github.com/SeaQL/sea-orm/pull/995

### Bug Fixes

* [sea-orm-cli] Generate `Related` for m-to-n relation https://github.com/SeaQL/sea-orm/pull/1075
* [sea-orm-cli] Generate model entity with Postgres Enum field https://github.com/SeaQL/sea-orm/pull/1153
* [sea-orm-cli] Migrate up command apply all pending migrations https://github.com/SeaQL/sea-orm/pull/1010
* [sea-orm-cli] Conflicting short flag `-u` when executing `migrate generate` command https://github.com/SeaQL/sea-orm/pull/1157
* Prefix the usage of types with `sea_orm::` inside `DeriveActiveEnum` derive macros https://github.com/SeaQL/sea-orm/pull/1146, https://github.com/SeaQL/sea-orm/pull/1154
* [sea-orm-cli] Generate model with `Vec<f32>` or `Vec<f64>` should not derive `Eq` on the model struct https://github.com/SeaQL/sea-orm/pull/1158

### House Keeping

* [sea-orm-cli] [sea-orm-migration] Add `cli` feature to optionally include dependencies that are required by the CLI https://github.com/SeaQL/sea-orm/pull/978

### Upgrades

* Upgrade `sea-schema` to 0.10.2 https://github.com/SeaQL/sea-orm/pull/1153

## 0.10.0 - 2022-10-23

### New Features

* Better error types (carrying SQLx Error) https://github.com/SeaQL/sea-orm/pull/1002
* Support array datatype in PostgreSQL https://github.com/SeaQL/sea-orm/pull/1132
* [sea-orm-cli] Generate entity files as a library or module https://github.com/SeaQL/sea-orm/pull/953
* [sea-orm-cli] Generate a new migration template with name prefix of unix timestamp https://github.com/SeaQL/sea-orm/pull/947
* [sea-orm-cli] Generate migration in modules https://github.com/SeaQL/sea-orm/pull/933
* [sea-orm-cli] Generate `DeriveRelation` on empty `Relation` enum https://github.com/SeaQL/sea-orm/pull/1019
* [sea-orm-cli] Generate entity derive `Eq` if possible https://github.com/SeaQL/sea-orm/pull/988
* [sea-orm-cli] Run migration on any PostgreSQL schema https://github.com/SeaQL/sea-orm/pull/1056

### Enhancements

* Support `distinct` & `distinct_on` expression https://github.com/SeaQL/sea-orm/pull/902
* `fn column()` also handle enum type https://github.com/SeaQL/sea-orm/pull/973
* Added `acquire_timeout` on `ConnectOptions` https://github.com/SeaQL/sea-orm/pull/897
* [sea-orm-cli] `migrate fresh` command will drop all PostgreSQL types https://github.com/SeaQL/sea-orm/pull/864, https://github.com/SeaQL/sea-orm/pull/991
* Better compile error for entity without primary key https://github.com/SeaQL/sea-orm/pull/1020
* Added blanket implementations of `IntoActiveValue` for `Option` values https://github.com/SeaQL/sea-orm/pull/833
* Added `into_model` & `into_json` to `Cursor` https://github.com/SeaQL/sea-orm/pull/1112
* Added `set_schema_search_path` method to `ConnectOptions` for setting schema search path of PostgreSQL connection https://github.com/SeaQL/sea-orm/pull/1056
* Serialize `time` types as `serde_json::Value` https://github.com/SeaQL/sea-orm/pull/1042
* Implements `fmt::Display` for `ActiveEnum` https://github.com/SeaQL/sea-orm/pull/986
* Implements `TryFrom<ActiveModel>` for `Model` https://github.com/SeaQL/sea-orm/pull/990

### Bug Fixes

* Trim spaces when paginating raw SQL https://github.com/SeaQL/sea-orm/pull/1094

### Breaking changes

* Replaced `usize` with `u64` in `PaginatorTrait` https://github.com/SeaQL/sea-orm/pull/789
* Type signature of `DbErr` changed as a result of https://github.com/SeaQL/sea-orm/pull/1002
* `ColumnType::Enum` structure changed:
```rust
enum ColumnType {
    // then
    Enum(String, Vec<String>)

    // now
    Enum {
        /// Name of enum
        name: DynIden,
        /// Variants of enum
        variants: Vec<DynIden>,
    }
    ...
}

// example

#[derive(Iden)]
enum TeaEnum {
    #[iden = "tea"]
    Enum,
    #[iden = "EverydayTea"]
    EverydayTea,
    #[iden = "BreakfastTea"]
    BreakfastTea,
}

// then
ColumnDef::new(active_enum_child::Column::Tea)
    .enumeration("tea", vec!["EverydayTea", "BreakfastTea"])

// now
ColumnDef::new(active_enum_child::Column::Tea)
    .enumeration(TeaEnum::Enum, [TeaEnum::EverydayTea, TeaEnum::BreakfastTea])
```

* A new method `array_type` was added to `ValueType`:
```rust
impl sea_orm::sea_query::ValueType for MyType {
    fn array_type() -> sea_orm::sea_query::ArrayType {
        sea_orm::sea_query::ArrayType::TypeName
    }
    ...
}
```

* `ActiveEnum::name()` changed return type to `DynIden`:
```rust
#[derive(Debug, Iden)]
#[iden = "category"]
pub struct CategoryEnum;

impl ActiveEnum for Category {
    // then
    fn name() -> String {
        "category".to_owned()
    }

    // now
    fn name() -> DynIden {
        SeaRc::new(CategoryEnum)
    }
    ...
}
```

### House Keeping

* Documentation grammar fixes https://github.com/SeaQL/sea-orm/pull/1050
* Replace `dotenv` with `dotenvy` in examples https://github.com/SeaQL/sea-orm/pull/1085
* Exclude test_cfg module from SeaORM https://github.com/SeaQL/sea-orm/pull/1077

### Integration

* Support `rocket_okapi` https://github.com/SeaQL/sea-orm/pull/1071

### Upgrades

* Upgrade `sea-query` to 0.26 https://github.com/SeaQL/sea-orm/pull/985

## 0.9.3 - 2022-09-30

### Enhancements

* `fn column()` also handle enum type https://github.com/SeaQL/sea-orm/pull/973
* Generate migration in modules https://github.com/SeaQL/sea-orm/pull/933
* Generate `DeriveRelation` on empty `Relation` enum https://github.com/SeaQL/sea-orm/pull/1019
* Documentation grammar fixes https://github.com/SeaQL/sea-orm/pull/1050

### Bug Fixes

* Implement `IntoActiveValue` for `time` types https://github.com/SeaQL/sea-orm/pull/1041
* Fixed module import for `FromJsonQueryResult` derive macro https://github.com/SeaQL/sea-orm/pull/1081

## 0.9.2 - 2022-08-20

### Enhancements

* [sea-orm-cli] Migrator CLI handles init and generate commands https://github.com/SeaQL/sea-orm/pull/931
* [sea-orm-cli] added `with-copy-enums` flag to conditional derive `Copy` on `ActiveEnum` https://github.com/SeaQL/sea-orm/pull/936

### House Keeping

* Exclude `chrono` default features https://github.com/SeaQL/sea-orm/pull/950
* Set minimal rustc version to `1.60` https://github.com/SeaQL/sea-orm/pull/938
* Update `sea-query` to `0.26.3`

### Notes

In this minor release, we removed `time` v0.1 from the dependency graph

## 0.9.1 - 2022-07-22

### Enhancements

* [sea-orm-cli] Codegen support for `VarBinary` column type https://github.com/SeaQL/sea-orm/pull/746
* [sea-orm-cli] Generate entity for SYSTEM VERSIONED tables on MariaDB https://github.com/SeaQL/sea-orm/pull/876

### Bug Fixes

* `RelationDef` & `RelationBuilder` should be `Send` & `Sync` https://github.com/SeaQL/sea-orm/pull/898

### House Keeping

* Remove unnecessary `async_trait` https://github.com/SeaQL/sea-orm/pull/737

## 0.9.0 - 2022-07-17

### New Features

* Cursor pagination https://github.com/SeaQL/sea-orm/pull/822
* Custom join on conditions https://github.com/SeaQL/sea-orm/pull/793
* `DeriveMigrationName` and `sea_orm_migration::util::get_file_stem` https://github.com/SeaQL/sea-orm/pull/736
* `FromJsonQueryResult` for deserializing `Json` from query result https://github.com/SeaQL/sea-orm/pull/794

### Enhancements

* Added `sqlx_logging_level` to `ConnectOptions` https://github.com/SeaQL/sea-orm/pull/800
* Added `num_items_and_pages` to `Paginator` https://github.com/SeaQL/sea-orm/pull/768
* Added `TryFromU64` for `time` https://github.com/SeaQL/sea-orm/pull/849
* Added `Insert::on_conflict` https://github.com/SeaQL/sea-orm/pull/791
* Added `QuerySelect::join_as` and `QuerySelect::join_as_rev` https://github.com/SeaQL/sea-orm/pull/852
* Include column name in `TryGetError::Null` https://github.com/SeaQL/sea-orm/pull/853
* [sea-orm-cli] Improve logging https://github.com/SeaQL/sea-orm/pull/735
* [sea-orm-cli] Generate enum with numeric like variants https://github.com/SeaQL/sea-orm/pull/588
* [sea-orm-cli] Allow old pending migration to be applied https://github.com/SeaQL/sea-orm/pull/755
* [sea-orm-cli] Skip generating entity for ignored tables https://github.com/SeaQL/sea-orm/pull/837
* [sea-orm-cli] Generate code for `time` crate https://github.com/SeaQL/sea-orm/pull/724
* [sea-orm-cli] Add various blob column types https://github.com/SeaQL/sea-orm/pull/850
* [sea-orm-cli] Generate entity files with Postgres's schema name https://github.com/SeaQL/sea-orm/pull/422

### Upgrades

* Upgrade `clap` to 3.2 https://github.com/SeaQL/sea-orm/pull/706
* Upgrade `time` to 0.3 https://github.com/SeaQL/sea-orm/pull/834
* Upgrade `sqlx` to 0.6 https://github.com/SeaQL/sea-orm/pull/834
* Upgrade `uuid` to 1.0 https://github.com/SeaQL/sea-orm/pull/834
* Upgrade `sea-query` to 0.26 https://github.com/SeaQL/sea-orm/pull/834
* Upgrade `sea-schema` to 0.9 https://github.com/SeaQL/sea-orm/pull/834

### House Keeping

* Refactor stream metrics https://github.com/SeaQL/sea-orm/pull/778

### Bug Fixes

* [sea-orm-cli] skip checking connection string for credentials https://github.com/SeaQL/sea-orm/pull/851

### Breaking changes

* `SelectTwoMany::one()` has been dropped https://github.com/SeaQL/sea-orm/pull/813, you can get `(Entity, Vec<RelatedEntity>)` by first querying a single model from Entity, then use [`ModelTrait::find_related`] on the model.
* #### Feature flag revamp
    We now adopt the [weak dependency](https://blog.rust-lang.org/2022/04/07/Rust-1.60.0.html#new-syntax-for-cargo-features) syntax in Cargo. That means the flags `["sqlx-json", "sqlx-chrono", "sqlx-decimal", "sqlx-uuid", "sqlx-time"]` are not needed and now removed. Instead, `with-time` will enable `sqlx?/time` only if `sqlx` is already enabled. As a consequence, now the features `with-json`, `with-chrono`, `with-rust_decimal`, `with-uuid`, `with-time` will not be enabled as a side-effect of enabling `sqlx`.

## sea-orm-migration 0.8.3

* Removed `async-std` from dependency https://github.com/SeaQL/sea-orm/pull/758

## 0.8.0 - 2022-05-10

### New Features
* [sea-orm-cli] `sea migrate generate` to generate a new, empty migration file https://github.com/SeaQL/sea-orm/pull/656

### Enhancements
* Add `max_connections` option to CLI https://github.com/SeaQL/sea-orm/pull/670
* Derive `Eq`, `Clone` for `DbErr` https://github.com/SeaQL/sea-orm/pull/677
* Add `is_changed` to `ActiveModelTrait` https://github.com/SeaQL/sea-orm/pull/683

### Bug Fixes
* Fix `DerivePrimaryKey` with custom primary key column name https://github.com/SeaQL/sea-orm/pull/694
* Fix `DeriveEntityModel` macros override column name https://github.com/SeaQL/sea-orm/pull/695
* Fix Insert with no value supplied using `DEFAULT` https://github.com/SeaQL/sea-orm/pull/589

### Breaking changes
* Migration utilities are moved from sea-schema to sea-orm repo, under a new sub-crate `sea-orm-migration`. `sea_schema::migration::prelude` should be replaced by `sea_orm_migration::prelude` in all migration files

### Upgrades
* Upgrade `sea-query` to 0.24.x, `sea-schema` to 0.8.x
* Upgrade example to Actix Web 4, Actix Web 3 remains https://github.com/SeaQL/sea-orm/pull/638
* Added Tonic gRPC example https://github.com/SeaQL/sea-orm/pull/659
* Upgrade GraphQL example to use axum 0.5.x
* Upgrade axum example to 0.5.x

### Fixed Issues
* Failed to insert row with only default values https://github.com/SeaQL/sea-orm/issues/420
* Reduce database connections to 1 during codegen https://github.com/SeaQL/sea-orm/issues/511
* Column names with single letters separated by underscores are concatenated https://github.com/SeaQL/sea-orm/issues/630
* Update Actix Web examples https://github.com/SeaQL/sea-orm/issues/639
* Lower function missing https://github.com/SeaQL/sea-orm/issues/672
* is_changed on active_model https://github.com/SeaQL/sea-orm/issues/674
* Failing find_with_related with column_name attribute https://github.com/SeaQL/sea-orm/issues/693

**Full Changelog**: https://github.com/SeaQL/sea-orm/compare/0.7.1...0.8.0

## 0.7.1 - 2022-03-26

* Fix sea-orm-cli error
* Fix sea-orm cannot build without `with-json`

## 0.7.0 - 2022-03-26

### New Features
* Update ActiveModel by JSON by @billy1624 in https://github.com/SeaQL/sea-orm/pull/492
* Supports `time` crate by @billy1624 https://github.com/SeaQL/sea-orm/pull/602
* Allow for creation of indexes for PostgreSQL and SQLite @nickb937 https://github.com/SeaQL/sea-orm/pull/593
* Added `delete_by_id` @ShouvikGhosh2048 https://github.com/SeaQL/sea-orm/pull/590
* Implement `PaginatorTrait` for `SelectorRaw` @shinbunbun https://github.com/SeaQL/sea-orm/pull/617

### Enhancements
* Added axum graphql example by @aaronleopold in https://github.com/SeaQL/sea-orm/pull/587
* Add example for integrate with jsonrpsee by @hunjixin https://github.com/SeaQL/sea-orm/pull/632
* Codegen add serde derives to enums, if specified by @BenJeau https://github.com/SeaQL/sea-orm/pull/463
* Codegen Unsigned Integer by @billy1624 https://github.com/SeaQL/sea-orm/pull/397
* Add `Send` bound to `QueryStream` and `TransactionStream` by @sebpuetz https://github.com/SeaQL/sea-orm/pull/471
* Add `Send` to `StreamTrait` by @nappa85 https://github.com/SeaQL/sea-orm/pull/622
* `sea` as an alternative bin name to `sea-orm-cli` by @ZhangHanDong https://github.com/SeaQL/sea-orm/pull/558

### Bug Fixes
* Fix codegen with Enum in expanded format by @billy1624 https://github.com/SeaQL/sea-orm/pull/624
* Fixing and testing into_json of various field types by @billy1624 https://github.com/SeaQL/sea-orm/pull/539

### Breaking changes
* Exclude `mock` from default features by @billy1624 https://github.com/SeaQL/sea-orm/pull/562
* `create_table_from_entity` will no longer create index for MySQL, please use the new method `create_index_from_entity`

### Documentations
* Describe default value of ActiveValue on document by @Ken-Miura in https://github.com/SeaQL/sea-orm/pull/556
* community: add axum-book-management by @lz1998 in https://github.com/SeaQL/sea-orm/pull/564
* Add Backpack to project showcase by @JSH32 in https://github.com/SeaQL/sea-orm/pull/567
* Add mediarepo to showcase by @Trivernis in https://github.com/SeaQL/sea-orm/pull/569
* COMMUNITY: add a link to Svix to showcase by @tasn in https://github.com/SeaQL/sea-orm/pull/537
* Update COMMUNITY.md by @naryand in https://github.com/SeaQL/sea-orm/pull/570
* Update COMMUNITY.md by @BobAnkh in https://github.com/SeaQL/sea-orm/pull/568
* Update COMMUNITY.md by @KaniyaSimeji in https://github.com/SeaQL/sea-orm/pull/566
* Update COMMUNITY.md by @aaronleopold in https://github.com/SeaQL/sea-orm/pull/565
* Update COMMUNITY.md by @gudaoxuri in https://github.com/SeaQL/sea-orm/pull/572
* Update Wikijump's entry in COMMUNITY.md by @ammongit in https://github.com/SeaQL/sea-orm/pull/573
* Update COMMUNITY.md by @koopa1338 in https://github.com/SeaQL/sea-orm/pull/574
* Update COMMUNITY.md by @gengteng in https://github.com/SeaQL/sea-orm/pull/580
* Update COMMUNITY.md by @Yama-Tomo in https://github.com/SeaQL/sea-orm/pull/582
* add oura-postgres-sink to COMMUNITY.md by @rvcas in https://github.com/SeaQL/sea-orm/pull/594
* Add rust-example-caster-api to COMMUNITY.md by @bkonkle in https://github.com/SeaQL/sea-orm/pull/623

### Fixed Issues
* orm-cli generated incorrect type for #[sea_orm(primary_key)]. Should be u64. Was i64. https://github.com/SeaQL/sea-orm/issues/295
* how to update dynamically from json value https://github.com/SeaQL/sea-orm/issues/346
* Make `DatabaseConnection` `Clone` with the default features enabled https://github.com/SeaQL/sea-orm/issues/438
* Updating multiple fields in a Model by passing a reference https://github.com/SeaQL/sea-orm/issues/460
* SeaORM CLI not adding serde derives to Enums https://github.com/SeaQL/sea-orm/issues/461
* sea-orm-cli generates wrong data type for nullable blob https://github.com/SeaQL/sea-orm/issues/490
* Support the time crate in addition (instead of?) chrono https://github.com/SeaQL/sea-orm/issues/499
* PaginatorTrait for SelectorRaw https://github.com/SeaQL/sea-orm/issues/500
* sea_orm::DatabaseConnection should implement `Clone` by default https://github.com/SeaQL/sea-orm/issues/517
* How do you seed data in migrations using ActiveModels? https://github.com/SeaQL/sea-orm/issues/522
* Datetime fields are not serialized by `.into_json()` on queries https://github.com/SeaQL/sea-orm/issues/530
* Update / Delete by id https://github.com/SeaQL/sea-orm/issues/552
* `#[sea_orm(indexed)]` only works for MySQL https://github.com/SeaQL/sea-orm/issues/554
* `sea-orm-cli generate --with-serde` does not work on Postgresql custom type https://github.com/SeaQL/sea-orm/issues/581
* `sea-orm-cli generate --expanded-format` panic when postgres table contains enum type https://github.com/SeaQL/sea-orm/issues/614
* UUID fields are not serialized by `.into_json()` on queries https://github.com/SeaQL/sea-orm/issues/619

**Full Changelog**: https://github.com/SeaQL/sea-orm/compare/0.6.0...0.7.0

## 0.6.0 - 2022-02-07

### New Features
* Migration Support by @billy1624 in https://github.com/SeaQL/sea-orm/pull/335
* Support `DateTime<Utc>` & `DateTime<Local>` by @billy1624 in https://github.com/SeaQL/sea-orm/pull/489
* Add `max_lifetime` connection option by @billy1624 in https://github.com/SeaQL/sea-orm/pull/493

### Enhancements
* Model with Generics by @billy1624 in https://github.com/SeaQL/sea-orm/pull/400
* Add Poem example by @sunli829 in https://github.com/SeaQL/sea-orm/pull/446
* Codegen `column_name` proc_macro attribute by @billy1624 in https://github.com/SeaQL/sea-orm/pull/433
* Easy joins with MockDatabase #447 by @cemoktra in https://github.com/SeaQL/sea-orm/pull/455

### Bug Fixes
* CLI allow generate entity with url without password by @billy1624 in https://github.com/SeaQL/sea-orm/pull/436
* Support up to 6-ary composite primary key by @billy1624 in https://github.com/SeaQL/sea-orm/pull/423
* Fix FromQueryResult when Result is redefined by @tasn in https://github.com/SeaQL/sea-orm/pull/495
* Remove `r#` prefix when deriving `FromQueryResult` by @smrtrfszm in https://github.com/SeaQL/sea-orm/pull/494

### Breaking Changes
* Name conflict of foreign key constraints when two entities have more than one foreign keys by @billy1624 in https://github.com/SeaQL/sea-orm/pull/417

### Fixed Issues
* Is it possible to have 4 values Composite Key? https://github.com/SeaQL/sea-orm/issues/352
* Support `DateTime<Utc>` & `DateTime<Local>` https://github.com/SeaQL/sea-orm/issues/381
* Codegen `column_name` proc_macro attribute if column name isn't in snake case https://github.com/SeaQL/sea-orm/issues/395
* Model with Generics https://github.com/SeaQL/sea-orm/issues/402
* Foreign key constraint collision when multiple keys exist between the same two tables https://github.com/SeaQL/sea-orm/issues/405
* sea-orm-cli passwordless database user causes "No password was found in the database url" error https://github.com/SeaQL/sea-orm/issues/435
* Testing joins with MockDatabase https://github.com/SeaQL/sea-orm/issues/447
* Surface max_lifetime connection option https://github.com/SeaQL/sea-orm/issues/475

**Full Changelog**: https://github.com/SeaQL/sea-orm/compare/0.5.0...0.6.0

## 0.5.0 - 2022-01-01

### Fixed Issues
* Why insert, update, etc return an ActiveModel instead of Model? https://github.com/SeaQL/sea-orm/issues/289
* Rework `ActiveValue` https://github.com/SeaQL/sea-orm/issues/321
* Some missing ActiveEnum utilities https://github.com/SeaQL/sea-orm/issues/338

### Merged PRs
* First metric and tracing implementation by @nappa85 in https://github.com/SeaQL/sea-orm/pull/373
* Update sea-orm to depends on SeaQL/sea-query#202 by @billy1624 in https://github.com/SeaQL/sea-orm/pull/370
* Codegen ActiveEnum & Create Enum From ActiveEnum by @billy1624 in https://github.com/SeaQL/sea-orm/pull/348
* Axum example: update to Axum v0.4.2 by @ttys3 in https://github.com/SeaQL/sea-orm/pull/383
* Fix rocket version by @Gabriel-Paulucci in https://github.com/SeaQL/sea-orm/pull/384
* Insert & Update Return `Model` by @billy1624 in https://github.com/SeaQL/sea-orm/pull/339
* Rework `ActiveValue` by @billy1624 in https://github.com/SeaQL/sea-orm/pull/340
* Add wrapper method `ModelTrait::delete` by @billy1624 in https://github.com/SeaQL/sea-orm/pull/396
* Add docker create script for contributors to setup databases locally by @billy1624 in https://github.com/SeaQL/sea-orm/pull/378
* Log with tracing-subscriber by @billy1624 in https://github.com/SeaQL/sea-orm/pull/399
* Codegen SQLite by @billy1624 in https://github.com/SeaQL/sea-orm/pull/386
* PR without clippy warnings in file changed tab by @billy1624 in https://github.com/SeaQL/sea-orm/pull/401
* Rename `sea-strum` lib back to `strum` by @billy1624 in https://github.com/SeaQL/sea-orm/pull/361

### Breaking Changes
* `ActiveModel::insert` and `ActiveModel::update` return `Model` instead of `ActiveModel`
* Method `ActiveModelBehavior::after_save` takes `Model` as input instead of `ActiveModel`
* Rename method `sea_orm::unchanged_active_value_not_intended_for_public_use` to `sea_orm::Unchanged`
* Rename method `ActiveValue::unset` to `ActiveValue::not_set`
* Rename method `ActiveValue::is_unset` to `ActiveValue::is_not_set`
* `PartialEq` of `ActiveValue` will also check the equality of state instead of just checking the equality of value

**Full Changelog**: https://github.com/SeaQL/sea-orm/compare/0.4.2...0.5.0

## 0.4.2 - 2021-12-12

### Fixed Issues
* Delete::many() doesn't work when schema_name is defined https://github.com/SeaQL/sea-orm/issues/362
* find_with_related panic https://github.com/SeaQL/sea-orm/issues/374
* How to define the rust type of TIMESTAMP? https://github.com/SeaQL/sea-orm/issues/344
* Add Table on the generated Column enum https://github.com/SeaQL/sea-orm/issues/356

### Merged PRs
* `Delete::many()` with `TableRef` by @billy1624 in https://github.com/SeaQL/sea-orm/pull/363
* Fix related & linked with enum columns by @billy1624 in https://github.com/SeaQL/sea-orm/pull/376
* Temporary Fix: Handling MySQL & SQLite timestamp columns by @billy1624 in https://github.com/SeaQL/sea-orm/pull/379
* Add feature to generate table Iden by @Sytten in https://github.com/SeaQL/sea-orm/pull/360

**Full Changelog**: https://github.com/SeaQL/sea-orm/compare/0.4.1...0.4.2

## 0.4.1 - 2021-12-05

### Fixed Issues
* Is it possible to have 4 values Composite Key? https://github.com/SeaQL/sea-orm/issues/352
* [sea-orm-cli] Better handling of relation generations https://github.com/SeaQL/sea-orm/issues/239

### Merged PRs
* Add TryFromU64 trait for `DateTime<FixedOffset>`. by @kev0960 in https://github.com/SeaQL/sea-orm/pull/331
* add offset and limit by @lz1998 in https://github.com/SeaQL/sea-orm/pull/351
* For some reason the `axum_example` fail to compile by @billy1624 in https://github.com/SeaQL/sea-orm/pull/355
* Support Up to 6 Values Composite Primary Key by @billy1624 in https://github.com/SeaQL/sea-orm/pull/353
* Codegen Handle Self Referencing & Multiple Relations to the Same Related Entity by @billy1624 in https://github.com/SeaQL/sea-orm/pull/347

**Full Changelog**: https://github.com/SeaQL/sea-orm/compare/0.4.0...0.4.1

## 0.4.0 - 2021-11-19

### Fixed Issues
* Disable SQLx query logging https://github.com/SeaQL/sea-orm/issues/290
* Code generated by `sea-orm-cli` cannot pass clippy https://github.com/SeaQL/sea-orm/issues/296
* Should return detailed error message for connection failure https://github.com/SeaQL/sea-orm/issues/310
* `DateTimeWithTimeZone` does not implement `Serialize` and `Deserialize` https://github.com/SeaQL/sea-orm/issues/319
* Support returning clause to avoid database hits https://github.com/SeaQL/sea-orm/issues/183

### Merged PRs
* chore: update to Rust 2021 Edition by @sno2 in https://github.com/SeaQL/sea-orm/pull/273
* Enumeration - 3 by @billy1624 in https://github.com/SeaQL/sea-orm/pull/274
* Enumeration - 2 by @billy1624 in https://github.com/SeaQL/sea-orm/pull/261
* Codegen fix clippy warnings by @billy1624 in https://github.com/SeaQL/sea-orm/pull/303
* Add axum example by @YoshieraHuang in https://github.com/SeaQL/sea-orm/pull/297
* Enumeration by @billy1624 in https://github.com/SeaQL/sea-orm/pull/258
* Add `PaginatorTrait` and `CountTrait` for more constraints by @YoshieraHuang in https://github.com/SeaQL/sea-orm/pull/306
* Continue `PaginatorTrait` by @billy1624 in https://github.com/SeaQL/sea-orm/pull/307
* Refactor `Schema` by @billy1624 in https://github.com/SeaQL/sea-orm/pull/309
* Detailed connection errors by @billy1624 in https://github.com/SeaQL/sea-orm/pull/312
* Suppress `ouroboros` missing docs warnings by @billy1624 in https://github.com/SeaQL/sea-orm/pull/288
* `with-json` feature requires `chrono/serde` by @billy1624 in https://github.com/SeaQL/sea-orm/pull/320
* Pass the argument `entity.table_ref()` instead of just `entity`. by @josh-codes in https://github.com/SeaQL/sea-orm/pull/318
* Unknown types could be a newtypes instead of `ActiveEnum` by @billy1624 in https://github.com/SeaQL/sea-orm/pull/324
* Returning by @billy1624 in https://github.com/SeaQL/sea-orm/pull/292

### Breaking Changes
* Refactor `paginate()` & `count()` utilities into `PaginatorTrait`. You can use the paginator as usual but you might need to import `PaginatorTrait` manually when upgrading from the previous version.
    ```rust
    use futures::TryStreamExt;
    use sea_orm::{entity::*, query::*, tests_cfg::cake};

    let mut cake_stream = cake::Entity::find()
        .order_by_asc(cake::Column::Id)
        .paginate(db, 50)
        .into_stream();

    while let Some(cakes) = cake_stream.try_next().await? {
        // Do something on cakes: Vec<cake::Model>
    }
    ```
* The helper struct `Schema` converting `EntityTrait` into different `sea-query` statements now has to be initialized with `DbBackend`.
    ```rust
    use sea_orm::{tests_cfg::*, DbBackend, Schema};
    use sea_orm::sea_query::TableCreateStatement;

    // 0.3.x
    let _: TableCreateStatement = Schema::create_table_from_entity(cake::Entity);

    // 0.4.x
    let schema: Schema = Schema::new(DbBackend::MySql);
    let _: TableCreateStatement = schema.create_table_from_entity(cake::Entity);
    ```
* When performing insert or update operation on `ActiveModel` against PostgreSQL, `RETURNING` clause will be used to perform select in a single SQL statement.
    ```rust
    // For PostgreSQL
    cake::ActiveModel {
        name: Set("Apple Pie".to_owned()),
        ..Default::default()
    }
    .insert(&postgres_db)
    .await?;

    assert_eq!(
        postgres_db.into_transaction_log(),
        vec![Transaction::from_sql_and_values(
            DbBackend::Postgres,
            r#"INSERT INTO "cake" ("name") VALUES ($1) RETURNING "id", "name""#,
            vec!["Apple Pie".into()]
        )]);
    ```
    ```rust
    // For MySQL & SQLite
    cake::ActiveModel {
        name: Set("Apple Pie".to_owned()),
        ..Default::default()
    }
    .insert(&other_db)
    .await?;

    assert_eq!(
        other_db.into_transaction_log(),
        vec![
            Transaction::from_sql_and_values(
                DbBackend::MySql,
                r#"INSERT INTO `cake` (`name`) VALUES (?)"#,
                vec!["Apple Pie".into()]
            ),
            Transaction::from_sql_and_values(
                DbBackend::MySql,
                r#"SELECT `cake`.`id`, `cake`.`name` FROM `cake` WHERE `cake`.`id` = ? LIMIT ?"#,
                vec![15.into(), 1u64.into()]
            )]);
    ```

**Full Changelog**: https://github.com/SeaQL/sea-orm/compare/0.3.2...0.4.0

## 0.3.2 - 2021-11-03

### Fixed Issues
* Support for BYTEA Postgres primary keys https://github.com/SeaQL/sea-orm/issues/286

### Merged PRs
* Documentation for sea-orm by @charleschege in https://github.com/SeaQL/sea-orm/pull/280
* Support `Vec<u8>` primary key by @billy1624 in https://github.com/SeaQL/sea-orm/pull/287

**Full Changelog**: https://github.com/SeaQL/sea-orm/compare/0.3.1...0.3.2

## 0.3.1 - 2021-10-23

(We are changing our Changelog format from now on)

### Fixed Issues
* Align case transforms across derive macros https://github.com/SeaQL/sea-orm/issues/262
* Added `is_null` and `is_not_null` to `ColumnTrait` https://github.com/SeaQL/sea-orm/issues/267

(The following is generated by GitHub)

### Merged PRs
* Changed manual url parsing to use Url crate by @AngelOnFira in https://github.com/SeaQL/sea-orm/pull/253
* Test self referencing relation by @billy1624 in https://github.com/SeaQL/sea-orm/pull/256
* Unify case-transform using the same crate by @billy1624 in https://github.com/SeaQL/sea-orm/pull/264
* CI cleaning by @AngelOnFira in https://github.com/SeaQL/sea-orm/pull/263
* CI install sea-orm-cli in debug mode by @billy1624 in https://github.com/SeaQL/sea-orm/pull/265

**Full Changelog**: https://github.com/SeaQL/sea-orm/compare/0.3.0...0.3.1

## 0.3.0 - 2021-10-15

https://www.sea-ql.org/SeaORM/blog/2021-10-15-whats-new-in-0.3.0

- Built-in Rocket support
- `ConnectOptions`

```rust
let mut opt = ConnectOptions::new("protocol://username:password@host/database".to_owned());
opt.max_connections(100)
    .min_connections(5)
    .connect_timeout(Duration::from_secs(8))
    .idle_timeout(Duration::from_secs(8));
let db = Database::connect(opt).await?;
```

- [[#211]] Throw error if none of the db rows are affected

```rust
assert_eq!(
    Update::one(cake::ActiveModel {
        name: Set("Cheese Cake".to_owned()),
        ..model.into_active_model()
    })
    .exec(&db)
    .await,
    Err(DbErr::RecordNotFound(
        "None of the database rows are affected".to_owned()
    ))
);

// update many remains the same
assert_eq!(
    Update::many(cake::Entity)
        .col_expr(cake::Column::Name, Expr::value("Cheese Cake".to_owned()))
        .filter(cake::Column::Id.eq(2))
        .exec(&db)
        .await,
    Ok(UpdateResult { rows_affected: 0 })
);
```

- [[#223]] `ActiveValue::take()` & `ActiveValue::into_value()` without `unwrap()`
- [[#205]] Drop `Default` trait bound of `PrimaryKeyTrait::ValueType`
- [[#222]] Transaction & streaming
- [[#210]] Update `ActiveModelBehavior` API
- [[#240]] Add derive `DeriveIntoActiveModel` and `IntoActiveValue` trait
- [[#237]] Introduce optional serde support for model code generation
- [[#246]] Add `#[automatically_derived]` to all derived implementations

[#211]: https://github.com/SeaQL/sea-orm/pull/211
[#223]: https://github.com/SeaQL/sea-orm/pull/223
[#205]: https://github.com/SeaQL/sea-orm/pull/205
[#222]: https://github.com/SeaQL/sea-orm/pull/222
[#210]: https://github.com/SeaQL/sea-orm/pull/210
[#240]: https://github.com/SeaQL/sea-orm/pull/240
[#237]: https://github.com/SeaQL/sea-orm/pull/237
[#246]: https://github.com/SeaQL/sea-orm/pull/246

## 0.2.6 - 2021-10-09

- [[#224]] [sea-orm-cli] Date & Time column type mapping
- Escape rust keywords with `r#` raw identifier

[#224]: https://github.com/SeaQL/sea-orm/pull/224

## 0.2.5 - 2021-10-06

- [[#227]] Resolve "Inserting actual none value of Option<Date> results in panic"
- [[#219]] [sea-orm-cli] Add `--tables` option
- [[#189]] Add `debug_query` and `debug_query_stmt` macro

[#227]: https://github.com/SeaQL/sea-orm/issues/227
[#219]: https://github.com/SeaQL/sea-orm/pull/219
[#189]: https://github.com/SeaQL/sea-orm/pull/189

## 0.2.4 - 2021-10-01

https://www.sea-ql.org/SeaORM/blog/2021-10-01-whats-new-in-0.2.4

- [[#186]] [sea-orm-cli] Foreign key handling
- [[#191]] [sea-orm-cli] Unique key handling
- [[#182]] `find_linked` join with alias
- [[#202]] Accept both `postgres://` and `postgresql://`
- [[#208]] Support fetching T, (T, U), (T, U, P) etc
- [[#209]] Rename column name & column enum variant
- [[#207]] Support `chrono::NaiveDate` & `chrono::NaiveTime`
- Support `Condition::not` (from sea-query)

[#186]: https://github.com/SeaQL/sea-orm/issues/186
[#191]: https://github.com/SeaQL/sea-orm/issues/191
[#182]: https://github.com/SeaQL/sea-orm/pull/182
[#202]: https://github.com/SeaQL/sea-orm/pull/202
[#208]: https://github.com/SeaQL/sea-orm/pull/208
[#209]: https://github.com/SeaQL/sea-orm/pull/209
[#207]: https://github.com/SeaQL/sea-orm/pull/207

## 0.2.3 - 2021-09-22

- [[#152]] DatabaseConnection impl `Clone`
- [[#175]] Impl `TryGetableMany` for different types of generics
- Codegen `TimestampWithTimeZone` fixup

[#152]: https://github.com/SeaQL/sea-orm/issues/152
[#175]: https://github.com/SeaQL/sea-orm/issues/175

## 0.2.2 - 2021-09-18

- [[#105]] Compact entity format
- [[#132]] Add ActiveModel `insert` & `update`
- [[#129]] Add `set` method to `UpdateMany`
- [[#118]] Initial lock support
- [[#167]] Add `FromQueryResult::find_by_statement`

[#105]: https://github.com/SeaQL/sea-orm/issues/105
[#132]: https://github.com/SeaQL/sea-orm/issues/132
[#129]: https://github.com/SeaQL/sea-orm/issues/129
[#118]: https://github.com/SeaQL/sea-orm/issues/118
[#167]: https://github.com/SeaQL/sea-orm/issues/167

## 0.2.1 - 2021-09-04

- Update dependencies

## 0.2.0 - 2021-09-03

- [[#37]] Rocket example
- [[#114]] `log` crate and `env-logger`
- [[#103]] `InsertResult` to return the primary key's type
- [[#89]] Represent several relations between same types by `Linked`
- [[#59]] Transforming an Entity into `TableCreateStatement`

[#37]: https://github.com/SeaQL/sea-orm/issues/37
[#114]: https://github.com/SeaQL/sea-orm/issues/114
[#103]: https://github.com/SeaQL/sea-orm/issues/103
[#89]: https://github.com/SeaQL/sea-orm/issues/89
[#59]: https://github.com/SeaQL/sea-orm/issues/59

## 0.1.3 - 2021-08-30

- [[#108]] Remove impl TryGetable for Option<T>

[#108]: https://github.com/SeaQL/sea-orm/issues/108

## 0.1.2 - 2021-08-23

- [[#68]] Added `DateTimeWithTimeZone` as supported attribute type
- [[#70]] Generate arbitrary named entity
- [[#80]] Custom column name
- [[#81]] Support join on multiple columns
- [[#99]] Implement FromStr for ColumnTrait

[#68]: https://github.com/SeaQL/sea-orm/issues/68
[#70]: https://github.com/SeaQL/sea-orm/issues/70
[#80]: https://github.com/SeaQL/sea-orm/issues/80
[#81]: https://github.com/SeaQL/sea-orm/issues/81
[#99]: https://github.com/SeaQL/sea-orm/issues/99

## 0.1.1 - 2021-08-08

- Early release of SeaORM