Question 1

How do I set up an async connection with Rust-Postgres?

Accepted Answer

Use the `tokio-postgres` crate with Tokio runtime. Configure a connection string and call `Client::connect` to establish an async client, then handle futures for queries and transactions.

Question 2

Rust-Postgres or Diesel for PostgreSQL in Rust?

Accepted Answer

Rust-Postgres is a low-level driver with async support and direct SQL access, while Diesel is an ORM with a query builder and migrations. Choose Rust-Postgres for performance and control, Diesel for abstractions and convenience.

Question 3

How to enable TLS encryption with Rust-Postgres?

Accepted Answer

Add a TLS backend crate like `postgres-native-tls` or `postgres-openssl` as a dependency, then configure the connection with SSL parameters to secure communication with the database.

Question 4

Does Rust-Postgres support connection pooling?

Accepted Answer

No, Rust-Postgres does not include built-in connection pooling. You need to integrate external crates such as `deadpool-postgres` for pooling in high-concurrency scenarios.

Question 5

What's the best way to handle errors in Rust-Postgres?

Accepted Answer

Errors are returned as `Result` types; use Rust's error handling patterns like the `?` operator or `match` statements. The library provides specific error types for database and connection issues.

Question 6

How to run tests for Rust-Postgres without Docker?

Accepted Answer

The README recommends Docker for ease, but you can manually set up a PostgreSQL instance with the required configuration. This involves more steps like installing PostgreSQL and adjusting settings.

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