Execute interface

src/connector/executor.rs

@@ -0,0 +1,51 @@
+use sqlx::mysql::MySqlQueryResult;
+use std::{error::Error, fmt};
+
+#[derive(Debug)]
+pub struct ExecResult {
+    pub(crate) result: ExecResultHolder,
+}
+
+#[derive(Debug)]
+pub(crate) enum ExecResultHolder {
+    SqlxMySql(MySqlQueryResult),
+}
+
+#[derive(Debug)]
+pub struct ExecErr;
+
+// ExecResult //
+
+impl ExecResult {
+    pub fn last_insert_id(&self) -> u64 {
+        match &self.result {
+            ExecResultHolder::SqlxMySql(result) => {
+                result.last_insert_id()
+            }
+        }
+    }
+
+    pub fn rows_affected(&self) -> u64 {
+        match &self.result {
+            ExecResultHolder::SqlxMySql(result) => {
+                result.rows_affected()
+            }
+        }
+    }
+}
+
+// ExecErr //
+
+impl Error for ExecErr {}
+
+impl fmt::Display for ExecErr {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{:?}", self)
+    }
+}
+
+impl From<sqlx::Error> for ExecErr {
+    fn from(_: sqlx::Error) -> ExecErr {
+        ExecErr
+    }
+}

src/connector/mod.rs

@@ -1,5 +1,7 @@
+mod executor;
 mod select;
 
+pub use executor::*;
 pub use select::*;
 
 use crate::{DatabaseConnection, QueryResult, Statement, TypeErr};
@@ -15,6 +17,8 @@ pub trait Connector {
 
 #[async_trait]
 pub trait Connection {
+    async fn execute(&self, stmt: Statement) -> Result<ExecResult, ExecErr>;
+
     async fn query_one(&self, stmt: Statement) -> Result<QueryResult, QueryErr>;
 
     async fn query_all(&self, stmt: Statement) -> Result<Vec<QueryResult>, QueryErr>;

src/database/statement.rs

@@ -3,25 +3,32 @@ use std::fmt;
 
 pub struct Statement {
     pub sql: String,
-    pub values: Values,
+    pub values: Option<Values>,
 }
 
 impl From<(String, Values)> for Statement {
     fn from(stmt: (String, Values)) -> Statement {
         Statement {
             sql: stmt.0,
-            values: stmt.1,
+            values: Some(stmt.1),
         }
     }
 }
 
 impl fmt::Display for Statement {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        match &self.values {
+            Some(values) => {
                 let string = inject_parameters(
                     &self.sql,
-            self.values.0.clone(),
+                    values.0.clone(),
                     &MySqlQueryBuilder::default(),
                 );
                 write!(f, "{}", &string)
             }
+            None => {
+                write!(f, "{}", &self.sql)
+            }
+        }
+    }
 }

src/driver/sqlx_mysql.rs

@@ -1,5 +1,5 @@
 use async_trait::async_trait;
-use sqlx::{mysql::MySqlRow, MySqlPool};
+use sqlx::{mysql::{MySqlRow, MySqlArguments, MySqlQueryResult}, MySql, MySqlPool};
 
 sea_query::sea_query_driver_mysql!();
 use sea_query_driver_mysql::bind_query;
@@ -31,10 +31,22 @@ impl Connector for SqlxMySqlConnector {
 
 #[async_trait]
 impl Connection for &SqlxMySqlPoolConnection {
+    async fn execute(&self, stmt: Statement) -> Result<ExecResult, ExecErr> {
+        debug_print!("{}", stmt);
+
+        let query = sqlx_query(&stmt);
+        if let Ok(conn) = &mut self.pool.acquire().await {
+            if let Ok(res) = query.execute(conn).await {
+                return Ok(res.into());
+            }
+        }
+        Err(ExecErr)
+    }
+
     async fn query_one(&self, stmt: Statement) -> Result<QueryResult, QueryErr> {
         debug_print!("{}", stmt);
 
-        let query = bind_query(sqlx::query(&stmt.sql), &stmt.values);
+        let query = sqlx_query(&stmt);
         if let Ok(conn) = &mut self.pool.acquire().await {
             if let Ok(row) = query.fetch_one(conn).await {
                 return Ok(row.into());
@@ -46,7 +58,7 @@ impl Connection for &SqlxMySqlPoolConnection {
     async fn query_all(&self, stmt: Statement) -> Result<Vec<QueryResult>, QueryErr> {
         debug_print!("{}", stmt);
 
-        let query = bind_query(sqlx::query(&stmt.sql), &stmt.values);
+        let query = sqlx_query(&stmt);
         if let Ok(conn) = &mut self.pool.acquire().await {
             if let Ok(rows) = query.fetch_all(conn).await {
                 return Ok(rows.into_iter().map(|r| r.into()).collect());
@@ -63,3 +75,19 @@ impl From<MySqlRow> for QueryResult {
         }
     }
 }
+
+impl From<MySqlQueryResult> for ExecResult {
+    fn from(result: MySqlQueryResult) -> ExecResult {
+        ExecResult {
+            result: ExecResultHolder::SqlxMySql(result),
+        }
+    }
+}
+
+fn sqlx_query(stmt: &Statement) -> sqlx::query::Query<'_, MySql, MySqlArguments> {
+    let mut query = sqlx::query(&stmt.sql);
+    if let Some(values) = &stmt.values {
+        query = bind_query(query, values);
+    }
+    query
+}