sea-orm/src/query/json.rs

165 lines
6.6 KiB
Rust

use crate::{DbErr, FromQueryResult, QueryResult, QueryResultRow};
use serde_json::Map;
pub use serde_json::Value as JsonValue;
impl FromQueryResult for JsonValue {
fn from_query_result(res: &QueryResult, pre: &str) -> Result<Self, DbErr> {
match &res.row {
#[cfg(feature = "sqlx-mysql")]
QueryResultRow::SqlxMySql(row) => {
use serde_json::json;
use sqlx::{Column, MySql, Row, Type};
let mut map = Map::new();
for column in row.columns() {
let col = if !column.name().starts_with(pre) {
continue;
} else {
column.name().replacen(pre, "", 1)
};
let col_type = column.type_info();
macro_rules! match_mysql_type {
( $type: ty ) => {
if <$type as Type<MySql>>::type_info().eq(col_type) {
map.insert(
col.to_owned(),
json!(res.try_get::<Option<$type>>(pre, &col)?),
);
continue;
}
};
}
match_mysql_type!(bool);
match_mysql_type!(i8);
match_mysql_type!(i16);
match_mysql_type!(i32);
match_mysql_type!(i64);
match_mysql_type!(u8);
match_mysql_type!(u16);
match_mysql_type!(u32);
match_mysql_type!(u64);
match_mysql_type!(f32);
match_mysql_type!(f64);
match_mysql_type!(String);
}
Ok(JsonValue::Object(map))
}
#[cfg(feature = "sqlx-postgres")]
QueryResultRow::SqlxPostgres(row) => {
use serde_json::json;
use sqlx::{Column, Postgres, Row, Type};
let mut map = Map::new();
for column in row.columns() {
let col = if !column.name().starts_with(pre) {
continue;
} else {
column.name().replacen(pre, "", 1)
};
let col_type = column.type_info();
macro_rules! match_postgres_type {
( $type: ty ) => {
if <$type as Type<Postgres>>::type_info().eq(col_type) {
map.insert(
col.to_owned(),
json!(res.try_get::<Option<$type>>(pre, &col)?),
);
continue;
}
};
}
match_postgres_type!(bool);
match_postgres_type!(i8);
match_postgres_type!(i16);
match_postgres_type!(i32);
match_postgres_type!(i64);
// match_postgres_type!(u8); // unsupported by SQLx Postgres
// match_postgres_type!(u16); // unsupported by SQLx Postgres
match_postgres_type!(u32);
// match_postgres_type!(u64); // unsupported by SQLx Postgres
match_postgres_type!(f32);
match_postgres_type!(f64);
match_postgres_type!(String);
}
Ok(JsonValue::Object(map))
}
#[cfg(feature = "sqlx-sqlite")]
QueryResultRow::SqlxSqlite(row) => {
use serde_json::json;
use sqlx::{Column, Row, Sqlite, Type};
let mut map = Map::new();
for column in row.columns() {
let col = if !column.name().starts_with(pre) {
continue;
} else {
column.name().replacen(pre, "", 1)
};
let col_type = column.type_info();
macro_rules! match_sqlite_type {
( $type: ty ) => {
if <$type as Type<Sqlite>>::type_info().eq(col_type) {
map.insert(
col.to_owned(),
json!(res.try_get::<Option<$type>>(pre, &col)?),
);
continue;
}
};
}
match_sqlite_type!(bool);
match_sqlite_type!(i8);
match_sqlite_type!(i16);
match_sqlite_type!(i32);
match_sqlite_type!(i64);
match_sqlite_type!(u8);
match_sqlite_type!(u16);
match_sqlite_type!(u32);
// match_sqlite_type!(u64); // unsupported by SQLx Sqlite
match_sqlite_type!(f32);
match_sqlite_type!(f64);
match_sqlite_type!(String);
}
Ok(JsonValue::Object(map))
}
#[cfg(feature = "mock")]
QueryResultRow::Mock(row) => {
let mut map = Map::new();
for (column, value) in row.clone().into_column_value_tuples() {
let col = if !column.starts_with(pre) {
continue;
} else {
column.replacen(pre, "", 1)
};
map.insert(col, sea_query::sea_value_to_json_value(&value));
}
Ok(JsonValue::Object(map))
}
}
}
}
#[cfg(test)]
#[cfg(feature = "mock")]
mod tests {
use crate::tests_cfg::cake;
use crate::{entity::*, DbBackend, DbErr, MockDatabase};
use sea_query::Value;
#[smol_potat::test]
async fn to_json_1() -> Result<(), DbErr> {
let db = MockDatabase::new(DbBackend::Postgres)
.append_query_results(vec![vec![maplit::btreemap! {
"id" => Into::<Value>::into(128), "name" => Into::<Value>::into("apple")
}]])
.into_connection();
assert_eq!(
cake::Entity::find().into_json().one(&db).await.unwrap(),
Some(serde_json::json!({
"id": 128,
"name": "apple"
}))
);
Ok(())
}
}