问题描述
我的 Cargo.toml
看起来像这样:
[dependencies]
rocket = "0.4.6"
rocket_codegen = "0.4.6"
serde = "1.0"
serde_derive = "1.0"
serde_json = "1.0"
[dependencies.diesel]
version = "1.0.0"
default-features = false
features = ["sqlite"]
[dependencies.rocket_contrib]
version = "0.4.6"
default-features = false
features = ["diesel_sqlite_pool"]
[global.databases.urls_db]
url = "urls.sqlite"
我在 main.rs
上有这样的连接:
use rocket_contrib::databases::diesel;
#[database("urls_db")]
struct UrlsDbConn(diesel::sqliteConnection);
根据urls
,我拥有的唯一一张桌子叫做schema.rs
:
table! {
urls (id) {
id -> Text,uri -> Text,}
}
但是当我尝试 cargo run
时,我得到:
Error: Database configuration failure: 'urls_db'
=> Error: A table named `databases` was not found for this configuration
知道为什么吗?
我唯一有 databases
(复数)字符串的地方是在 Cargo.toml
(global.databases.urls_db
) 上,这就是 Rocket.rs 指示设置它的方式...>
编辑:修正错字; EDIT2:数据库本身看起来不错:
main: /Users/carlos/Developer/caarlos0/beckerly/beckerly/urls.sqlite
sqlite> .tables
__diesel_schema_migrations urls
sqlite> select * from urls;
sqlite> insert into urls(id,uri) values ('g','https://google.com');
sqlite> select * from urls;
g|https://google.com
sqlite>
解决方法
数据库配置应该在 Rocket.toml
文件中:
[global.databases]
urls_db = { url = "urls.sqlite" }
文档明确说明:
然后,在 Rocket.toml 或等效的环境变量中,配置数据库表中数据库的 URL: