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macros.rs
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macros.rs
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use sqlx::{Connection, MySql, MySqlConnection, Transaction};
use sqlx_test::new;
#[sqlx_macros::test]
async fn macro_select_from_cte() -> anyhow::Result<()> {
let mut conn = new::<MySql>().await?;
let account =
sqlx::query!("select * from (select (1) as id, 'Herp Derpinson' as name, cast(null as char) email) accounts")
.fetch_one(&mut conn)
.await?;
assert_eq!(account.id, 1);
assert_eq!(account.name, "Herp Derpinson");
// MySQL can tell us the nullability of expressions, ain't that cool
assert_eq!(account.email, None);
Ok(())
}
#[sqlx_macros::test]
async fn macro_select_from_cte_bind() -> anyhow::Result<()> {
let mut conn = new::<MySql>().await?;
let account = sqlx::query!(
"select * from (select (1) as id, 'Herp Derpinson' as name) accounts where id = ?",
1i32
)
.fetch_one(&mut conn)
.await?;
println!("{account:?}");
println!("{}: {}", account.id, account.name);
Ok(())
}
#[derive(Debug)]
struct RawAccount {
r#type: i32,
name: Option<String>,
}
#[sqlx_macros::test]
async fn test_query_as_raw() -> anyhow::Result<()> {
let mut conn = new::<MySql>().await?;
let account = sqlx::query_as!(
RawAccount,
"SELECT * from (select 1 as type, cast(null as char) as name) accounts"
)
.fetch_one(&mut conn)
.await?;
assert_eq!(account.name, None);
assert_eq!(account.r#type, 1);
println!("{account:?}");
Ok(())
}
#[sqlx_macros::test]
async fn test_query_scalar() -> anyhow::Result<()> {
let mut conn = new::<MySql>().await?;
let id = sqlx::query_scalar!("select 1").fetch_one(&mut conn).await?;
// MySQL tells us `LONG LONG` while MariaDB just `LONG`
assert_eq!(id, 1);
// invalid column names are ignored
let id = sqlx::query_scalar!(r#"select 1 as `&foo`"#)
.fetch_one(&mut conn)
.await?;
assert_eq!(id, 1);
let id = sqlx::query_scalar!(r#"select 1 as `foo!`"#)
.fetch_one(&mut conn)
.await?;
assert_eq!(id, 1);
let id = sqlx::query_scalar!(r#"select 1 as `foo?`"#)
.fetch_one(&mut conn)
.await?;
assert_eq!(id, Some(1));
let id = sqlx::query_scalar!(r#"select 1 as `foo: MyInt`"#)
.fetch_one(&mut conn)
.await?;
assert_eq!(id, MyInt(1));
let id = sqlx::query_scalar!(r#"select 1 as `foo?: MyInt`"#)
.fetch_one(&mut conn)
.await?;
assert_eq!(id, Some(MyInt(1)));
let id = sqlx::query_scalar!(r#"select 1 as `foo!: MyInt`"#)
.fetch_one(&mut conn)
.await?;
assert_eq!(id, MyInt(1));
let id: MyInt = sqlx::query_scalar!(r#"select 1 as `foo: _`"#)
.fetch_one(&mut conn)
.await?;
assert_eq!(id, MyInt(1));
let id: MyInt = sqlx::query_scalar!(r#"select 1 as `foo?: _`"#)
.fetch_one(&mut conn)
.await?
// don't hint that it should be `Option<MyInt>`
.unwrap();
assert_eq!(id, MyInt(1));
let id: MyInt = sqlx::query_scalar!(r#"select 1 as `foo!: _`"#)
.fetch_one(&mut conn)
.await?;
assert_eq!(id, MyInt(1));
Ok(())
}
#[sqlx_macros::test]
async fn test_query_as_bool() -> anyhow::Result<()> {
let mut conn = new::<MySql>().await?;
struct Article {
id: i32,
deleted: bool,
}
let article = sqlx::query_as_unchecked!(
Article,
"select * from (select 51 as id, true as deleted) articles"
)
.fetch_one(&mut conn)
.await?;
assert_eq!(51, article.id);
assert_eq!(true, article.deleted);
Ok(())
}
#[sqlx_macros::test]
async fn test_query_bytes() -> anyhow::Result<()> {
let mut conn = new::<MySql>().await?;
let rec = sqlx::query!("SELECT X'01AF' as _1")
.fetch_one(&mut conn)
.await?;
assert_eq!(rec._1, &[0x01_u8, 0xAF_u8]);
Ok(())
}
#[sqlx_macros::test]
async fn test_column_override_not_null() -> anyhow::Result<()> {
let mut conn = new::<MySql>().await?;
let record = sqlx::query!("select * from (select 1 as `id!`) records")
.fetch_one(&mut conn)
.await?;
assert_eq!(record.id, 1);
Ok(())
}
#[sqlx_macros::test]
async fn test_column_override_nullable() -> anyhow::Result<()> {
let mut conn = new::<MySql>().await?;
// MySQL by default tells us `id` is not-null
let record = sqlx::query!("select * from (select 1 as `id?`) records")
.fetch_one(&mut conn)
.await?;
assert_eq!(record.id, Some(1));
Ok(())
}
async fn with_test_row<'a>(
conn: &'a mut MySqlConnection,
) -> anyhow::Result<(Transaction<'a, MySql>, MyInt)> {
let mut transaction = conn.begin().await?;
let id = sqlx::query!("INSERT INTO tweet(text, owner_id) VALUES ('#sqlx is pretty cool!', 1)")
.execute(&mut *transaction)
.await?
.last_insert_id();
Ok((transaction, MyInt(id as i64)))
}
#[derive(PartialEq, Eq, Debug, sqlx::Type)]
#[sqlx(transparent)]
struct MyInt(i64);
struct Record {
id: MyInt,
}
struct OptionalRecord {
id: Option<MyInt>,
}
#[sqlx_macros::test]
async fn test_column_override_wildcard() -> anyhow::Result<()> {
let mut conn = new::<MySql>().await?;
let (mut conn, id) = with_test_row(&mut conn).await?;
let record = sqlx::query_as!(Record, "select id as `id: _` from tweet")
.fetch_one(&mut *conn)
.await?;
assert_eq!(record.id, id);
// this syntax is also useful for expressions
let record = sqlx::query_as!(Record, "select * from (select 1 as `id: _`) records")
.fetch_one(&mut *conn)
.await?;
assert_eq!(record.id, MyInt(1));
let record = sqlx::query_as!(OptionalRecord, "select owner_id as `id: _` from tweet")
.fetch_one(&mut *conn)
.await?;
assert_eq!(record.id, Some(MyInt(1)));
Ok(())
}
#[sqlx_macros::test]
async fn test_column_override_wildcard_not_null() -> anyhow::Result<()> {
let mut conn = new::<MySql>().await?;
let (mut conn, _) = with_test_row(&mut conn).await?;
let record = sqlx::query_as!(Record, "select owner_id as `id!: _` from tweet")
.fetch_one(&mut *conn)
.await?;
assert_eq!(record.id, MyInt(1));
Ok(())
}
#[sqlx_macros::test]
async fn test_column_override_wildcard_nullable() -> anyhow::Result<()> {
let mut conn = new::<MySql>().await?;
let (mut conn, id) = with_test_row(&mut conn).await?;
let record = sqlx::query_as!(OptionalRecord, "select id as `id?: _` from tweet")
.fetch_one(&mut *conn)
.await?;
assert_eq!(record.id, Some(id));
Ok(())
}
#[sqlx_macros::test]
async fn test_column_override_exact() -> anyhow::Result<()> {
let mut conn = new::<MySql>().await?;
let (mut conn, id) = with_test_row(&mut conn).await?;
let record = sqlx::query!("select id as `id: MyInt` from tweet")
.fetch_one(&mut *conn)
.await?;
assert_eq!(record.id, id);
// we can also support this syntax for expressions
let record = sqlx::query!("select * from (select 1 as `id: MyInt`) records")
.fetch_one(&mut *conn)
.await?;
assert_eq!(record.id, MyInt(1));
let record = sqlx::query!("select owner_id as `id: MyInt` from tweet")
.fetch_one(&mut *conn)
.await?;
assert_eq!(record.id, Some(MyInt(1)));
Ok(())
}
#[sqlx_macros::test]
async fn test_column_override_exact_not_null() -> anyhow::Result<()> {
let mut conn = new::<MySql>().await?;
let (mut conn, _) = with_test_row(&mut conn).await?;
let record = sqlx::query!("select owner_id as `id!: MyInt` from tweet")
.fetch_one(&mut *conn)
.await?;
assert_eq!(record.id, MyInt(1));
Ok(())
}
#[sqlx_macros::test]
async fn test_column_override_exact_nullable() -> anyhow::Result<()> {
let mut conn = new::<MySql>().await?;
let (mut conn, id) = with_test_row(&mut conn).await?;
let record = sqlx::query!("select id as `id?: MyInt` from tweet")
.fetch_one(&mut *conn)
.await?;
assert_eq!(record.id, Some(id));
Ok(())
}
#[derive(PartialEq, Eq, Debug, sqlx::Type)]
#[sqlx(rename_all = "lowercase")]
enum MyEnum {
Red,
Green,
Blue,
}
#[derive(PartialEq, Eq, Debug, sqlx::Type)]
#[repr(i32)]
enum MyCEnum {
Red = 0,
Green,
Blue,
}
#[sqlx_macros::test]
async fn test_column_override_exact_enum() -> anyhow::Result<()> {
let mut conn = new::<MySql>().await?;
let record = sqlx::query!("select * from (select 'red' as `color: MyEnum`) records")
.fetch_one(&mut conn)
.await?;
assert_eq!(record.color, MyEnum::Red);
let record = sqlx::query!("select * from (select 2 as `color: MyCEnum`) records")
.fetch_one(&mut conn)
.await?;
assert_eq!(record.color, MyCEnum::Blue);
Ok(())
}
#[sqlx_macros::test]
async fn test_try_from_attr_for_native_type() -> anyhow::Result<()> {
#[derive(sqlx::FromRow)]
struct Record {
#[sqlx(try_from = "i64")]
id: u64,
}
let mut conn = new::<MySql>().await?;
let (mut conn, id) = with_test_row(&mut conn).await?;
let record = sqlx::query_as::<_, Record>("select id from tweet")
.fetch_one(&mut *conn)
.await?;
assert_eq!(record.id, id.0 as u64);
Ok(())
}
#[sqlx_macros::test]
async fn test_try_from_attr_for_custom_type() -> anyhow::Result<()> {
#[derive(sqlx::FromRow)]
struct Record {
#[sqlx(try_from = "i64")]
id: Id,
}
#[derive(Debug, PartialEq)]
struct Id(i64);
impl std::convert::TryFrom<i64> for Id {
type Error = std::io::Error;
fn try_from(value: i64) -> Result<Self, Self::Error> {
Ok(Id(value))
}
}
let mut conn = new::<MySql>().await?;
let (mut conn, id) = with_test_row(&mut conn).await?;
let record = sqlx::query_as::<_, Record>("select id from tweet")
.fetch_one(&mut *conn)
.await?;
assert_eq!(record.id, Id(id.0));
Ok(())
}
#[sqlx_macros::test]
async fn test_try_from_attr_with_flatten() -> anyhow::Result<()> {
#[derive(sqlx::FromRow)]
struct Record {
#[sqlx(try_from = "Id", flatten)]
id: u64,
}
#[derive(Debug, PartialEq, sqlx::FromRow)]
struct Id {
id: i64,
}
impl std::convert::TryFrom<Id> for u64 {
type Error = std::io::Error;
fn try_from(value: Id) -> Result<Self, Self::Error> {
Ok(value.id as u64)
}
}
let mut conn = new::<MySql>().await?;
let (mut conn, id) = with_test_row(&mut conn).await?;
let record = sqlx::query_as::<_, Record>("select id from tweet")
.fetch_one(&mut *conn)
.await?;
assert_eq!(record.id, id.0 as u64);
Ok(())
}
#[sqlx_macros::test]
async fn test_try_from_attr_with_complex_type() -> anyhow::Result<()> {
mod m {
#[derive(sqlx::Type)]
#[sqlx(transparent)]
pub struct ComplexType<T>(T);
impl std::convert::TryFrom<ComplexType<i64>> for u64 {
type Error = std::num::TryFromIntError;
fn try_from(value: ComplexType<i64>) -> Result<Self, Self::Error> {
u64::try_from(value.0)
}
}
}
#[derive(sqlx::FromRow)]
struct Record {
#[sqlx(try_from = "m::ComplexType<i64>")]
id: u64,
}
let mut conn = new::<MySql>().await?;
let (mut conn, id) = with_test_row(&mut conn).await?;
let record = sqlx::query_as::<_, Record>("select id from tweet")
.fetch_one(&mut *conn)
.await?;
assert_eq!(record.id, id.0 as u64);
Ok(())
}
#[sqlx_macros::test]
async fn test_from_row_json_attr() -> anyhow::Result<()> {
#[derive(serde::Deserialize)]
struct J {
a: u32,
b: u32,
}
#[derive(sqlx::FromRow)]
struct Record {
#[sqlx(json)]
j: J,
}
let mut conn = new::<MySql>().await?;
let record = sqlx::query_as::<_, Record>("select json_object('a', 1, 'b', 2) as j")
.fetch_one(&mut conn)
.await?;
assert_eq!(record.j.a, 1);
assert_eq!(record.j.b, 2);
Ok(())
}
#[sqlx_macros::test]
async fn test_from_row_json_try_from_attr() -> anyhow::Result<()> {
#[derive(serde::Deserialize)]
struct J {
a: u32,
b: u32,
}
// Non-deserializable
struct J2 {
sum: u32,
}
impl std::convert::From<J> for J2 {
fn from(j: J) -> Self {
Self { sum: j.a + j.b }
}
}
#[derive(sqlx::FromRow)]
struct Record {
#[sqlx(json, try_from = "J")]
j: J2,
}
let mut conn = new::<MySql>().await?;
let record = sqlx::query_as::<_, Record>("select json_object('a', 1, 'b', 2) as j")
.fetch_one(&mut conn)
.await?;
assert_eq!(record.j.sum, 3);
Ok(())
}
// we don't emit bind parameter type-checks for MySQL so testing the overrides is redundant