rbdc-sqlite 4.9.5

The Rust SQL Toolkit and ORM Library. An async, pure Rust SQL crate featuring compile-time Dynamic SQL
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164

use crate::SqliteConnectOptions;
use futures_core::future::BoxFuture;
use rbdc::db::{ConnectOptions, Connection, Driver, Placeholder};
use rbdc::Error;
use rbs::Value;

#[derive(Debug)]
pub struct SqliteDriver {}

impl Driver for SqliteDriver {
    fn name(&self) -> &str {
        "sqlite"
    }

    fn connect(&self, url: &str) -> BoxFuture<'_, Result<Box<dyn Connection>, Error>> {
        let url = url.to_owned();
        Box::pin(async move {
            let mut opt = self.default_option();
            opt.set_uri(&url)?;
            if let Some(opt) = opt.downcast_ref::<SqliteConnectOptions>() {
                let conn = opt.connect().await?;
                Ok(Box::new(conn) as Box<dyn Connection>)
            } else {
                Err(Error::from("downcast_ref failure"))
            }
        })
    }

    fn connect_opt<'a>(
        &'a self,
        opt: &'a dyn ConnectOptions,
    ) -> BoxFuture<'a, Result<Box<dyn Connection>, Error>> {
        let opt: &SqliteConnectOptions = opt.downcast_ref().expect(
            "SqliteDriver::connect_opt requires SqliteConnectOptions, got a different ConnectOptions type",
        );
        Box::pin(async move {
            let conn = opt.connect().await?;
            Ok(Box::new(conn) as Box<dyn Connection>)
        })
    }

    fn default_option(&self) -> Box<dyn ConnectOptions> {
        Box::new(SqliteConnectOptions::default())
    }

    fn column_type(&self, val: &Value) -> String {
        match val {
            Value::Null => "NULL",
            Value::Bool(_) => "BOOLEAN",
            Value::I32(_) => "INTEGER",
            Value::I64(_) => "INTEGER",
            Value::U32(_) => "INTEGER",
            Value::U64(_) => "INTEGER",
            Value::F32(_) => "REAL",
            Value::F64(_) => "REAL",
            Value::String(_) => "TEXT",
            Value::Binary(_) => "BLOB",
            Value::Array(_) => "TEXT",
            Value::Map(_) => "TEXT",
            Value::Ext(t, _) => match *t {
                "Date" => "TEXT",
                "DateTime" => "TEXT",
                "Time" => "TEXT",
                "Timestamp" => "INTEGER",
                "Decimal" => "NUMERIC",
                "Json" => "BLOB",
                "Uuid" => "TEXT",
                _ => "NULL",
            },
        }
        .to_string()
    }
}

impl Placeholder for SqliteDriver {
    fn exchange(&self, sql: &str) -> String {
        sql.to_string()
    }
}

#[cfg(test)]
mod test {
    #[test]
    fn test_default() {}
}
// #[cfg(test)]
// mod test {
//     use crate::driver::SqliteDriver;
//     use crate::SqliteConnectOptions;
//     use rbdc::block_on;
//     use rbdc::db::{ConnectOptions, Driver};
//     use rbdc::decimal::Decimal;
//     use rbdc::pool::Pool;
//     use rbs::Value;
//     use std::fs::File;
//
//     #[test]
//     fn test_sqlite_pool() {
//         let f = File::create("../target/test.db");
//         if f.is_err() {
//             println!("{}", f.err().unwrap());
//         } else {
//             drop(f);
//         }
//         let f = async move {
//             let pool = Pool::new_url(SqliteDriver {}, "sqlite://../target/test.db").unwrap();
//             let mut conn = pool.get().await.unwrap();
//             conn.exec(
//                 "CREATE TABLE `biz_activity`
// (
//     `id`            TEXT PRIMARY KEY NOT NULL,
//     `name`          TEXT     DEFAULT NULL,
//     `pc_link`       TEXT     DEFAULT NULL,
//     `h5_link`       TEXT     DEFAULT NULL,
//     `sort`          TEXT     DEFAULT NULL,
//     `status`        INT      DEFAULT NULL,
//     `version`       INT      DEFAULT NULL,
//     `remark`        TEXT     DEFAULT NULL,
//     `create_time`   datetime DEFAULT NULL,
//     `delete_flag`   INT(1)   DEFAULT NULL,
//     `pc_banner_img` TEXT     DEFAULT NULL,
//     `h5_banner_img` TEXT     DEFAULT NULL
// );
//
// INSERT INTO `biz_activity`
// VALUES ('1', '活动1', NULL, NULL, '1', 1, 1, 'fff', '2019-12-12 00:00:00', 0, NULL, NULL),
//        ('178', 'test_insret', '', '', '1', 1, 0, '', '2020-06-17 20:08:13', 0, NULL, NULL),
//        ('221', 'test', '', '', '0', 0, 0, '', '2020-06-17 20:10:23', 0, NULL, NULL),
//        ('222', 'test', '', '', '0', 0, 0, '', '2020-06-17 20:10:23', 0, NULL, NULL),
//        ('223', 'test', '', '', '0', 0, 0, '', '2020-06-17 20:10:23', 0, NULL, NULL);",
//                 vec![],
//             )
//             .await;
//
//             let data = conn
//                 .exec_decode("select * from biz_activity", vec![])
//                 .await
//                 .unwrap();
//             for mut x in data {
//                 println!("row: {}", x);
//             }
//         };
//         block_on!(f);
//     }
//
//     #[test]
//     fn test_sqlite_param() {
//         let task = async move {
//             let mut d = SqliteDriver {};
//             let mut c = d.connect("sqlite://../target/test.db").await.unwrap();
//             let param = vec![
//                 Decimal("1".to_string()).into(),
//                 Value::String("1".to_string()),
//             ];
//             println!("param => {}", Value::Array(param.clone()));
//             let data = c
//                 .exec("update biz_activity set version = ? where id  = ?", param)
//                 .await
//                 .unwrap();
//             println!("{}", data);
//         };
//         block_on!(task);
//     }
// }