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add simple_query to GenericClient in tokio_postgres#1142

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1 change: 1 addition & 0 deletionstokio-postgres/CHANGELOG.md
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Original file line numberDiff line numberDiff line change
Expand Up@@ -5,6 +5,7 @@
* Disable `rustc-serialize` compatibility of `eui48-1` dependency
* Remove tests for `eui48-04`
* Add `table_oid` and `field_id` fields to `Columns` struct of prepared statements.
* Add `GenericClient::simple_query`.

## v0.7.10 - 2023-08-25

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35 changes: 23 additions & 12 deletionstokio-postgres/src/generic_client.rs
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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
use crate::query::RowStream;
use crate::types::{BorrowToSql, ToSql, Type};
use crate::{Client, Error, Row, Statement, ToStatement, Transaction};
use crate::{Client, Error, Row,SimpleQueryMessage,Statement, ToStatement, Transaction};
use async_trait::async_trait;

mod private {
Expand All@@ -12,25 +12,25 @@ mod private {
/// This trait is "sealed", and cannot be implemented outside of this crate.
#[async_trait]
pub trait GenericClient: private::Sealed {
/// Like `Client::execute`.
/// Like[`Client::execute`].
async fn execute<T>(&self, query: &T, params: &[&(dyn ToSql + Sync)]) -> Result<u64, Error>
where
T: ?Sized + ToStatement + Sync + Send;

/// Like `Client::execute_raw`.
/// Like[`Client::execute_raw`].
async fn execute_raw<P, I, T>(&self, statement: &T, params: I) -> Result<u64, Error>
where
T: ?Sized + ToStatement + Sync + Send,
P: BorrowToSql,
I: IntoIterator<Item = P> + Sync + Send,
I::IntoIter: ExactSizeIterator;

/// Like `Client::query`.
/// Like[`Client::query`].
async fn query<T>(&self, query: &T, params: &[&(dyn ToSql + Sync)]) -> Result<Vec<Row>, Error>
where
T: ?Sized + ToStatement + Sync + Send;

/// Like `Client::query_one`.
/// Like[`Client::query_one`].
async fn query_one<T>(
&self,
statement: &T,
Expand All@@ -39,7 +39,7 @@ pub trait GenericClient: private::Sealed {
where
T: ?Sized + ToStatement + Sync + Send;

/// Like `Client::query_opt`.
/// Like[`Client::query_opt`].
async fn query_opt<T>(
&self,
statement: &T,
Expand All@@ -48,31 +48,34 @@ pub trait GenericClient: private::Sealed {
where
T: ?Sized + ToStatement + Sync + Send;

/// Like `Client::query_raw`.
/// Like[`Client::query_raw`].
async fn query_raw<T, P, I>(&self, statement: &T, params: I) -> Result<RowStream, Error>
where
T: ?Sized + ToStatement + Sync + Send,
P: BorrowToSql,
I: IntoIterator<Item = P> + Sync + Send,
I::IntoIter: ExactSizeIterator;

/// Like `Client::prepare`.
/// Like[`Client::prepare`].
async fn prepare(&self, query: &str) -> Result<Statement, Error>;

/// Like `Client::prepare_typed`.
/// Like[`Client::prepare_typed`].
async fn prepare_typed(
&self,
query: &str,
parameter_types: &[Type],
) -> Result<Statement, Error>;

/// Like `Client::transaction`.
/// Like[`Client::transaction`].
async fn transaction(&mut self) -> Result<Transaction<'_>, Error>;

/// Like `Client::batch_execute`.
/// Like[`Client::batch_execute`].
async fn batch_execute(&self, query: &str) -> Result<(), Error>;

/// Returns a reference to the underlying `Client`.
/// Like [`Client::simple_query`].
async fn simple_query(&self, query: &str) -> Result<Vec<SimpleQueryMessage>, Error>;

/// Returns a reference to the underlying [`Client`].
fn client(&self) -> &Client;
}

Expand DownExpand Up@@ -156,6 +159,10 @@ impl GenericClient for Client {
self.batch_execute(query).await
}

async fn simple_query(&self, query: &str) -> Result<Vec<SimpleQueryMessage>, Error> {
self.simple_query(query).await
}

fn client(&self) -> &Client {
self
}
Expand DownExpand Up@@ -243,6 +250,10 @@ impl GenericClient for Transaction<'_> {
self.batch_execute(query).await
}

async fn simple_query(&self, query: &str) -> Result<Vec<SimpleQueryMessage>, Error> {
self.simple_query(query).await
}

fn client(&self) -> &Client {
self.client()
}
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