117 lines
3.4 KiB
Rust
117 lines
3.4 KiB
Rust
use sqlx::{
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mysql::{MySqlArguments, MySqlQueryResult, MySqlRow},
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MySql, MySqlPool,
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};
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sea_query::sea_query_driver_mysql!();
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use sea_query_driver_mysql::bind_query;
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use crate::{debug_print, error::*, executor::*, DatabaseConnection, Statement};
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use super::sqlx_common::*;
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pub struct SqlxMySqlConnector;
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pub struct SqlxMySqlPoolConnection {
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pool: MySqlPool,
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}
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impl SqlxMySqlConnector {
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pub fn accepts(string: &str) -> bool {
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string.starts_with("mysql://")
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}
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pub async fn connect(string: &str) -> Result<DatabaseConnection, DbErr> {
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if let Ok(pool) = MySqlPool::connect(string).await {
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Ok(DatabaseConnection::SqlxMySqlPoolConnection(
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SqlxMySqlPoolConnection { pool },
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))
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} else {
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Err(DbErr::Conn("Failed to connect.".to_owned()))
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}
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}
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}
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impl SqlxMySqlConnector {
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pub fn from_sqlx_mysql_pool(pool: MySqlPool) -> DatabaseConnection {
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DatabaseConnection::SqlxMySqlPoolConnection(SqlxMySqlPoolConnection { pool })
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}
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}
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impl SqlxMySqlPoolConnection {
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pub async fn execute(&self, stmt: Statement) -> Result<ExecResult, DbErr> {
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debug_print!("{}", stmt);
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let query = sqlx_query(&stmt);
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if let Ok(conn) = &mut self.pool.acquire().await {
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match query.execute(conn).await {
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Ok(res) => Ok(res.into()),
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Err(err) => Err(sqlx_error_to_exec_err(err)),
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}
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} else {
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Err(DbErr::Exec(
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"Failed to acquire connection from pool.".to_owned(),
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))
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}
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}
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pub async fn query_one(&self, stmt: Statement) -> Result<Option<QueryResult>, DbErr> {
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debug_print!("{}", stmt);
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let query = sqlx_query(&stmt);
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if let Ok(conn) = &mut self.pool.acquire().await {
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match query.fetch_one(conn).await {
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Ok(row) => Ok(Some(row.into())),
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Err(err) => match err {
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sqlx::Error::RowNotFound => Ok(None),
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_ => Err(DbErr::Query(err.to_string())),
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},
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}
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} else {
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Err(DbErr::Query(
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"Failed to acquire connection from pool.".to_owned(),
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))
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}
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}
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pub async fn query_all(&self, stmt: Statement) -> Result<Vec<QueryResult>, DbErr> {
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debug_print!("{}", stmt);
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let query = sqlx_query(&stmt);
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if let Ok(conn) = &mut self.pool.acquire().await {
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match query.fetch_all(conn).await {
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Ok(rows) => Ok(rows.into_iter().map(|r| r.into()).collect()),
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Err(err) => Err(sqlx_error_to_query_err(err)),
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}
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} else {
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Err(DbErr::Query(
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"Failed to acquire connection from pool.".to_owned(),
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))
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}
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}
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}
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impl From<MySqlRow> for QueryResult {
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fn from(row: MySqlRow) -> QueryResult {
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QueryResult {
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row: QueryResultRow::SqlxMySql(row),
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}
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}
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}
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impl From<MySqlQueryResult> for ExecResult {
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fn from(result: MySqlQueryResult) -> ExecResult {
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ExecResult {
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result: ExecResultHolder::SqlxMySql(result),
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}
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}
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}
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fn sqlx_query(stmt: &Statement) -> sqlx::query::Query<'_, MySql, MySqlArguments> {
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let mut query = sqlx::query(&stmt.sql);
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if let Some(values) = &stmt.values {
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query = bind_query(query, values);
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}
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query
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}
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