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upgrade diesel, r2d2, state examples

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This commit is contained in:
Nikolay Kim
2019-03-07 14:50:29 -08:00
parent 60a9df8abd
commit f39a53ea3a
10 changed files with 185 additions and 282 deletions
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8
async_db/src/main.rs
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@ -11,9 +11,7 @@ This project illustrates two examples:
*/
use std::io;
use actix_web::{
middleware, web, App, Error as AWError, HttpResponse, HttpServer, State,
};
use actix_web::{middleware, web, App, Error as AWError, HttpResponse, HttpServer};
use futures::future::{join_all, ok as fut_ok, Future};
use r2d2_sqlite;
use r2d2_sqlite::SqliteConnectionManager;
@ -23,7 +21,7 @@ use db::{Pool, Queries, WeatherAgg};
/// Version 1: Calls 4 queries in sequential order, as an asynchronous handler
fn asyncio_weather(
db: State<Pool>,
db: web::State<Pool>,
) -> impl Future<Item = HttpResponse, Error = AWError> {
let mut result: Vec<Vec<WeatherAgg>> = vec![];
@ -54,7 +52,7 @@ fn asyncio_weather(
/// Version 2: Calls 4 queries in parallel, as an asynchronous handler
/// Returning Error types turn into None values in the response
fn parallel_weather(
db: State<Pool>,
db: web::State<Pool>,
) -> impl Future<Item = HttpResponse, Error = AWError> {
let fut_result = vec![
Box::new(db::execute(&db, Queries::GetTopTenHottestYears)),