mirror of
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86 lines
2.0 KiB
Rust
86 lines
2.0 KiB
Rust
#![feature(async_await)]
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use sqlx::{postgres::Connection, ConnectOptions};
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use std::io;
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// TODO: ToSql and FromSql (to [de]serialize values from/to Rust and SQL)
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// TODO: Connection strings ala postgres@localhost/sqlx_dev
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#[runtime::main(runtime_tokio::Tokio)]
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async fn main() -> io::Result<()> {
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env_logger::init();
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// Connect as postgres / postgres and DROP the sqlx__dev database
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// if exists and then re-create it
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let mut conn = Connection::establish(
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ConnectOptions::new()
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.host("127.0.0.1")
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.port(5432)
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.user("postgres")
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.database("postgres"),
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)
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.await?;
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// println!(" :: drop database (if exists) sqlx__dev");
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// conn.prepare("DROP DATABASE IF EXISTS sqlx__dev")
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// .execute()
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// .await?;
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// println!(" :: create database sqlx__dev");
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// conn.prepare("CREATE DATABASE sqlx__dev").execute().await?;
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// conn.close().await?;
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// let mut conn = Connection::establish(
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// ConnectOptions::new()
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// .host("127.0.0.1")
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// .port(5432)
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// .user("postgres")
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// .database("sqlx__dev"),
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// )
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// .await?;
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// println!(" :: create schema");
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// conn.prepare(
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// r#"
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// CREATE TABLE IF NOT EXISTS users (
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// id BIGSERIAL PRIMARY KEY,
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// name TEXT NOT NULL
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// );
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// "#,
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// )
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// .execute()
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// .await?;
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// println!(" :: insert");
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let row = conn
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.prepare("SELECT pg_typeof($1), pg_typeof($2)")
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.bind(20)
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.bind_as::<sqlx::postgres::types::BigInt, _>(10)
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.get()
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.await?;
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println!("{:?}", row);
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// println!(" :: select");
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// conn.prepare("SELECT id FROM users")
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// .select()
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// .try_for_each(|row| {
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// let id = row.get(0);
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// println!("select {:?}", id);
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// future::ok(())
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// })
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// .await?;
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conn.close().await?;
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Ok(())
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}
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