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Release postgres v0.16.0-rc.1
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‎postgres/CHANGELOG.md

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# Change Log
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## [Unreleased]
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## [v0.16.0-rc.1] - 2019-04-06
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### Changed
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* `Connection` has been renamed to `Client`.
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* The `Client` type is now a thin wrapper around the tokio-postgres nonblocking client. By default, this is handled
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transparently by spawning connections onto an internal tokio `Runtime`, but this can also be controlled explicitly.
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* The `ConnectParams` type and `IntoConnectParams` trait have been replaced by a builder-style `Config` type.
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Before:
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```rust
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let params = ConnectParams::builder()
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.user("postgres", None)
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.build(Host::Tcp("localhost".to_string()))
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.build();
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let conn = Connection::connect(params, &TlsMode::None)?;
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```
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After:
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```rust
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let client = Client::configure()
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.user("postgres")
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.host("localhost")
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.connect(NoTls)?;
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```
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* The TLS connection mode (e.g. `prefer`) is now part of the connection configuration instead of being passed in
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separately.
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Before:
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```rust
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let conn = Connection::connect("postgres://postgres@localhost", &TlsMode::Prefer(connector))?;
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```
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After:
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```rust
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let client = Client::connect("postgres://postgres@localhost?sslmode=prefer", connector)?;
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```
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* `Client` and `Transaction` methods take `&mut self` rather than `&self`, and correct use of the active transaction is
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verified at compile time rather than runtime.
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* `Row` no longer borrows any data.
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* `Statement` is now a "token" which is passed into methods on `Client` and `Transaction` and does not borrow the
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client:
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Before:
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```rust
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let statement = conn.prepare("SELECT * FROM foo WHERE bar = $1")?;
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let rows = statement.query(&[&1i32])?;
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```
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After:
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```rust
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let statement = client.prepare("SELECT * FROM foo WHERE bar = $1")?;
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let rows = client.query(&statement, &[1i32])?;
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```
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* `Statement::lazy_query` has been replaced with `Transaction::bind`, which returns a `Portal` type that can be used
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with `Transaction::query_portal`.
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* `Statement::copy_in` and `Statement::copy_out` have been moved to `Client` and `Transaction`.
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* `Client::copy_out` and `Transaction::copy_out` now return a `Read`er rather than consuming in a `Write`r.
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* `Connection::batch_execute` and `Transaction::batch_execute` have been replaced with `Client::simple_query` and
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`Transaction::simple_query`.
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* The Cargo features enabling `ToSql` and `FromSql` implementations for external crates are now versioned. For example,
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`with-uuid` is now `with-uuid-0_7`. This enables us to add support for new major versions of the crates in parallel
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without breaking backwards compatibility.
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### Added
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* Connection string configuration now more fully mirrors libpq's syntax, and supports both URL-style and key-value style
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strings.
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* `FromSql` implementations can now borrow from the data buffer. In particular, this means that you can deserialize
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values as `&str`. The `FromSqlOwned` trait can be used as a bound to restrict code to deserializing owned values.
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* Added support for channel binding with SCRAM authentication.
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* Added multi-host support in connection configuration.
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* Added support for simple query requests returning row data.
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* Added variants of query methods which return fallible iterators of values and avoid fully buffering the response in
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memory.
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### Removed
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* The `with-openssl` and `with-native-tls` Cargo features have been removed. Use the `tokio-postgres-openssl` and
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`tokio-postgres-native-tls` crates instead.
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* The `with-rustc_serialize` and `with-time` Cargo features have been removed. Use `serde` and `SystemTime` or `chrono`
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instead.
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* The `Transaction::set_commit` and `Transaction::set_rollback` methods have been removed. The only way to commit a
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transaction is to explicitly consume it via `Transaction::commit`.
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* The `Rows` type has been removed; methods now return `Vec<Row>` instead.
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* `Connection::prepare_cache` has been removed, as `Statement` is now `'static` and can be more easily cached
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externally.
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* Some other slightly more obscure features have been removed in the initial release. If you depended on them, please
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file an issue and we can find the right design to add them back!
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## Older
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Look at the [release tags] for information about older releases.
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[Unreleased]: https://github.com/sfackler/rust-postgres/compare/postgres-v0.16.0-rc.1...master
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[v0.16.0-rc.1]: https://github.com/sfackler/rust-postgres/compare/postgres-v0.15.2...postgres-v0.16.0-rc.1
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[release tags]: https://github.com/sfackler/rust-postgres/releases

‎postgres/Cargo.toml

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[package]
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name = "postgres"
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version = "0.1.0"
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version = "0.16.0-rc.1"
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authors = ["Steven Fackler <[email protected]>"]
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edition = "2018"
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license = "MIT/Apache-2.0"
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description = "A native, synchronous PostgreSQL client"
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repository = "https://github.com/sfackler/rust-postgres"
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readme = "../README.md"
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keywords = ["database", "postgres", "postgresql", "sql"]
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categories = ["database"]
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[package.metadata.docs.rs]
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all-features = true
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[badges]
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circle-ci = { repository = "sfackler/rust-postgres" }
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[features]
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default = ["runtime"]
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runtime = ["tokio-postgres/runtime", "tokio", "lazy_static", "log"]
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"with-bit-vec-0_5" = ["tokio-postgres/with-bit-vec-0_5"]

‎postgres/LICENSE-APACHE

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‎postgres/LICENSE-MIT

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The MIT License (MIT)
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Copyright (c) 2016 Steven Fackler
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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‎postgres/src/lib.rs

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//! as an argument. The `NoTls` type in this crate can be used when TLS is not required. Otherwise, the
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//! `tokio-postgres-openssl` and `tokio-postgres-native-tls` crates provide implementations backed by the `openssl` and
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//! `native-tls` crates, respectively.
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#![doc(html_root_url = "https://docs.rs/postgres/0.16.0-rc.1")]
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#![warn(clippy::all, rust_2018_idioms, missing_docs)]
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#[cfg(feature = "runtime")]

‎tokio-postgres-native-tls/Cargo.toml

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[dev-dependencies]
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tokio = "0.1.7"
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postgres = { version = "0.1.0", path = "../postgres" }
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postgres = { version = "0.16.0-rc.1", path = "../postgres" }

‎tokio-postgres-openssl/Cargo.toml

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[dev-dependencies]
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tokio = "0.1.7"
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postgres = { version = "0.1", path = "../postgres" }
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postgres = { version = "0.16.0-rc.1", path = "../postgres" }

‎tokio-postgres/CHANGELOG.md

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* The client API has been significantly overhauled. It now resembles `hyper`'s, with separate `Connection` and `Client`
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objects. See the crate-level documentation for more details.
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* Connection string configuration now fully mirrors libpq's syntax, and supports both URL-style and key-value style
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strings.
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* The TLS connection mode (e.g. `prefer`) is now part of the connection configuration rather than being passed in
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separately.
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* The Cargo features enabling `ToSql` and `FromSql` implementations for external crates are now versioned. For example,
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### Added
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* Connection string configuration now more fully mirrors libpq's syntax, and supports both URL-style and key-value style
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strings.
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* `FromSql` implementations can now borrow from the data buffer. In particular, this means that you can deserialize
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values as `&str`. The `FromSqlOwned` trait can be used as a bound to restrict code to deserializing owned values.
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* Added support for channel binding with SCRAM authentication.

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