Database Assessment

SQLx : The Asynchronous, Safe, And Flexible SQL Library For Rust

SQLx is an async, pure Rust SQL crate featuring compile-time checked queries without a DSL.

  • Truly Asynchronous. Built from the ground-up using async/await for maximum concurrency.
  • Compile-time checked queries (if you want). See SQLx is not an ORM.
  • Database Agnostic. Support for PostgreSQL, MySQL, MariaDB, SQLite.
    • MSSQL was supported prior to version 0.7, but has been removed pending a full rewrite of the driver as part of our SQLx Pro initiative.
  • Pure Rust. The Postgres and MySQL/MariaDB drivers are written in pure Rust using zero unsafe†† code.
  • Runtime Agnostic. Works on different runtimes (async-std / tokio / actix) and TLS backends (native-tls, rustls).

† The SQLite driver uses the libsqlite3 C library as SQLite is an embedded database (the only way we could be pure Rust for SQLite is by porting all of SQLite to Rust).

†† SQLx uses #![forbid(unsafe_code)] unless the sqlite feature is enabled. The SQLite driver directly invokes the SQLite3 API via libsqlite3-sys, which requires unsafe.

  • Cross-platform. Being native Rust, SQLx will compile anywhere Rust is supported.
  • Built-in connection pooling with sqlx::Pool.
  • Row streaming. Data is read asynchronously from the database and decoded on demand.
  • Automatic statement preparation and caching. When using the high-level query API (sqlx::query), statements are prepared and cached per connection.
  • Simple (unprepared) query execution including fetching results into the same Row types used by the high-level API. Supports batch execution and returns results from all statements.
  • Transport Layer Security (TLS) where supported (MySQL, MariaDB and PostgreSQL).
  • Asynchronous notifications using LISTEN and NOTIFY for PostgreSQL.
  • Nested transactions with support for save points.
  • Any database driver for changing the database driver at runtime. An AnyPool connects to the driver indicated by the URL scheme.

Install

SQLx is compatible with the async-std, tokio, and actix runtimes; and, the native-tls and rustls TLS backends. When adding the dependency, you must choose a runtime feature that is runtime + tls.

# Cargo.toml
[dependencies]
# PICK ONE OF THE FOLLOWING:

# tokio (no TLS)
sqlx = { version = "0.8", features = [ "runtime-tokio" ] }
# tokio + native-tls
sqlx = { version = "0.8", features = [ "runtime-tokio", "tls-native-tls" ] }
# tokio + rustls with ring and WebPKI CA certificates
sqlx = { version = "0.8", features = [ "runtime-tokio", "tls-rustls-ring-webpki" ] }
# tokio + rustls with ring and platform's native CA certificates
sqlx = { version = "0.8", features = [ "runtime-tokio", "tls-rustls-ring-native-roots" ] }
# tokio + rustls with aws-lc-rs
sqlx = { version = "0.8", features = [ "runtime-tokio", "tls-rustls-aws-lc-rs" ] }

# async-std (no TLS)
sqlx = { version = "0.8", features = [ "runtime-async-std" ] }
# async-std + native-tls
sqlx = { version = "0.8", features = [ "runtime-async-std", "tls-native-tls" ] }
# async-std + rustls with ring and WebPKI CA certificates
sqlx = { version = "0.8", features = [ "runtime-async-std", "tls-rustls-ring-webpki" ] }
# async-std + rustls with ring and platform's native CA certificates
sqlx = { version = "0.8", features = [ "runtime-async-std", "tls-rustls-ring-native-roots" ] }
# async-std + rustls with aws-lc-rs
sqlx = { version = "0.8", features = [ "runtime-async-std", "tls-rustls-aws-lc-rs" ] }

For more information click here.

Varshini

Varshini is a Cyber Security expert in Threat Analysis, Vulnerability Assessment, and Research. Passionate about staying ahead of emerging Threats and Technologies.

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