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implement Connection trait
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,167 @@ | ||
| // TODO: remove once Rust's async lifetime in trait story got improved | ||
| #![allow(clippy::manual_async_fn)] | ||
|
|
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| use std::future::Future; | ||
|
|
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| use deadpool_postgres::GenericClient; | ||
| use tokio_postgres::types::ToSql; | ||
| use tokio_postgres::Row; | ||
|
|
||
| use crate::Error; | ||
|
|
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| pub trait Connection: Send + Sync { | ||
| fn query_one<'a>( | ||
| &'a self, | ||
| query: &'a str, | ||
| parameters: &'a [&'a (dyn ToSql + Sync)], | ||
| ) -> impl Future<Output = Result<Row, Error>> + Send + 'a; | ||
|
|
||
| fn query_opt<'a>( | ||
| &'a self, | ||
| query: &'a str, | ||
| parameters: &'a [&'a (dyn ToSql + Sync)], | ||
| ) -> impl Future<Output = Result<Option<Row>, Error>> + Send + 'a; | ||
|
|
||
| fn query<'a>( | ||
| &'a self, | ||
| query: &'a str, | ||
| parameters: &'a [&'a (dyn ToSql + Sync)], | ||
| ) -> impl Future<Output = Result<Vec<Row>, Error>> + Send + 'a; | ||
|
|
||
| fn execute<'a>( | ||
| &'a self, | ||
| query: &'a str, | ||
| parameters: &'a [&'a (dyn ToSql + Sync)], | ||
| ) -> impl Future<Output = Result<(), Error>> + Send + 'a; | ||
| } | ||
|
|
||
| impl Connection for deadpool_postgres::Client { | ||
| fn query_one<'a>( | ||
| &'a self, | ||
| query: &'a str, | ||
| parameters: &'a [&'a (dyn ToSql + Sync)], | ||
| ) -> impl Future<Output = Result<Row, Error>> + Send + 'a { | ||
| async move { | ||
| let stmt = self.prepare_cached(query).await?; | ||
| Ok(tokio_postgres::Client::query_one(self, &stmt, parameters).await?) | ||
| } | ||
| } | ||
|
|
||
| fn query_opt<'a>( | ||
| &'a self, | ||
| query: &'a str, | ||
| parameters: &'a [&'a (dyn ToSql + Sync)], | ||
| ) -> impl Future<Output = Result<Option<Row>, Error>> + Send + 'a { | ||
| async move { | ||
| let stmt = self.prepare_cached(query).await?; | ||
| Ok(tokio_postgres::Client::query_opt(self, &stmt, parameters).await?) | ||
| } | ||
| } | ||
|
|
||
| fn query<'a>( | ||
| &'a self, | ||
| query: &'a str, | ||
| parameters: &'a [&'a (dyn ToSql + Sync)], | ||
| ) -> impl Future<Output = Result<Vec<Row>, Error>> + Send + 'a { | ||
| async move { | ||
| let stmt = self.prepare_cached(query).await?; | ||
| Ok(tokio_postgres::Client::query(self, &stmt, parameters).await?) | ||
| } | ||
| } | ||
|
|
||
| fn execute<'a>( | ||
| &'a self, | ||
| query: &'a str, | ||
| parameters: &'a [&'a (dyn ToSql + Sync)], | ||
| ) -> impl Future<Output = Result<(), Error>> + Send + 'a { | ||
| async move { | ||
| let stmt = self.prepare_cached(query).await?; | ||
| tokio_postgres::Client::execute(self, &stmt, parameters).await?; | ||
| Ok(()) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| impl<'t> Connection for deadpool_postgres::Transaction<'t> { | ||
| fn query_one<'a>( | ||
| &'a self, | ||
| query: &'a str, | ||
| parameters: &'a [&'a (dyn ToSql + Sync)], | ||
| ) -> impl Future<Output = Result<Row, Error>> + Send + 'a { | ||
| async move { | ||
| let stmt = self.prepare_cached(query).await?; | ||
| Ok(tokio_postgres::Transaction::query_one(self, &stmt, parameters).await?) | ||
| } | ||
| } | ||
|
|
||
| fn query_opt<'a>( | ||
| &'a self, | ||
| query: &'a str, | ||
| parameters: &'a [&'a (dyn ToSql + Sync)], | ||
| ) -> impl Future<Output = Result<Option<Row>, Error>> + Send + 'a { | ||
| async move { | ||
| let stmt = self.prepare_cached(query).await?; | ||
| Ok(tokio_postgres::Transaction::query_opt(self, &stmt, parameters).await?) | ||
| } | ||
| } | ||
|
|
||
| fn query<'a>( | ||
| &'a self, | ||
| query: &'a str, | ||
| parameters: &'a [&'a (dyn ToSql + Sync)], | ||
| ) -> impl Future<Output = Result<Vec<Row>, Error>> + Send + 'a { | ||
| async move { | ||
| let stmt = self.prepare_cached(query).await?; | ||
| Ok(tokio_postgres::Transaction::query(self, &stmt, parameters).await?) | ||
| } | ||
| } | ||
|
|
||
| fn execute<'a>( | ||
| &'a self, | ||
| query: &'a str, | ||
| parameters: &'a [&'a (dyn ToSql + Sync)], | ||
| ) -> impl Future<Output = Result<(), Error>> + Send + 'a { | ||
| async move { | ||
| let stmt = self.prepare_cached(query).await?; | ||
| tokio_postgres::Transaction::execute(self, &stmt, parameters).await?; | ||
| Ok(()) | ||
| } | ||
| } | ||
| } | ||
|
|
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| impl<'b, C> Connection for &'b C | ||
| where | ||
| C: Connection, | ||
| { | ||
| fn query_one<'a>( | ||
| &'a self, | ||
| query: &'a str, | ||
| parameters: &'a [&'a (dyn ToSql + Sync)], | ||
| ) -> impl Future<Output = Result<Row, Error>> + Send + 'a { | ||
| (*self).query_one(query, parameters) | ||
| } | ||
|
|
||
| fn query_opt<'a>( | ||
| &'a self, | ||
| query: &'a str, | ||
| parameters: &'a [&'a (dyn ToSql + Sync)], | ||
| ) -> impl Future<Output = Result<Option<Row>, Error>> + Send + 'a { | ||
| (*self).query_opt(query, parameters) | ||
| } | ||
|
|
||
| fn query<'a>( | ||
| &'a self, | ||
| query: &'a str, | ||
| parameters: &'a [&'a (dyn ToSql + Sync)], | ||
| ) -> impl Future<Output = Result<Vec<Row>, Error>> + Send + 'a { | ||
| (*self).query(query, parameters) | ||
| } | ||
|
|
||
| fn execute<'a>( | ||
| &'a self, | ||
| query: &'a str, | ||
| parameters: &'a [&'a (dyn ToSql + Sync)], | ||
| ) -> impl Future<Output = Result<(), Error>> + Send + 'a { | ||
| (*self).execute(query, parameters) | ||
| } | ||
| } |
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