sql-middleware 0.9.0

Lightweight async wrappers for tokio-postgres, rusqlite, turso, and tiberius.
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::pool::MiddlewarePoolConnection;
use crate::types::StatementCacheMode;

mod typed;

#[cfg(feature = "mssql")]
use crate::mssql;
#[cfg(feature = "mssql")]
use crate::mssql::typed::MssqlManager;
#[cfg(feature = "postgres")]
use crate::postgres;
#[cfg(feature = "postgres")]
use crate::postgres::typed::PgManager;
#[cfg(feature = "sqlite")]
use crate::sqlite::config::SqliteManager;
#[cfg(feature = "turso")]
use crate::turso;
#[cfg(feature = "turso")]
use crate::typed_turso::TursoManager;
#[cfg(any(
    feature = "postgres",
    feature = "turso",
    feature = "sqlite",
    feature = "mssql"
))]
use bb8::PooledConnection;

/// Target for batch execution (connection or transaction).
pub enum BatchTarget<'a> {
    Connection(&'a mut MiddlewarePoolConnection),
    #[cfg(feature = "postgres")]
    PostgresTx(&'a postgres::transaction::Tx<'a>),
    #[cfg(feature = "mssql")]
    MssqlTx(&'a mut mssql::transaction::Tx<'a>),
    #[cfg(feature = "turso")]
    TursoTx(&'a turso::transaction::Tx<'a>),
    #[cfg(feature = "turso")]
    TypedTurso {
        conn: &'a mut PooledConnection<'static, TursoManager>,
    },
    #[cfg(feature = "turso")]
    TypedTursoTx {
        conn: &'a mut PooledConnection<'static, TursoManager>,
    },
}

/// Target for query builder dispatch (connection or transaction) with a translation default.
pub struct QueryTarget<'a> {
    pub(crate) kind: QueryTargetKind<'a>,
    pub(crate) translation_default: bool,
    pub(crate) statement_cache_mode: StatementCacheMode,
}

pub(crate) enum QueryTargetKind<'a> {
    Connection(&'a mut MiddlewarePoolConnection),
    #[cfg(feature = "postgres")]
    PostgresTx(&'a postgres::transaction::Tx<'a>),
    #[cfg(feature = "sqlite")]
    TypedSqlite {
        conn: &'a mut PooledConnection<'static, SqliteManager>,
    },
    #[cfg(feature = "sqlite")]
    TypedSqliteTx {
        conn: &'a mut PooledConnection<'static, SqliteManager>,
    },
    #[cfg(feature = "postgres")]
    TypedPostgres {
        conn: &'a mut PooledConnection<'static, PgManager>,
    },
    #[cfg(feature = "postgres")]
    TypedPostgresTx {
        conn: &'a mut PooledConnection<'static, PgManager>,
    },
    #[cfg(feature = "mssql")]
    TypedMssql {
        conn: &'a mut PooledConnection<'static, MssqlManager>,
    },
    #[cfg(feature = "mssql")]
    TypedMssqlTx {
        conn: &'a mut PooledConnection<'static, MssqlManager>,
    },
    #[cfg(feature = "turso")]
    TypedTurso {
        conn: &'a mut PooledConnection<'static, TursoManager>,
    },
    #[cfg(feature = "turso")]
    TypedTursoTx {
        conn: &'a mut PooledConnection<'static, TursoManager>,
    },
    #[cfg(feature = "mssql")]
    MssqlTx(&'a mut mssql::transaction::Tx<'a>),
    #[cfg(feature = "turso")]
    TursoTx(&'a turso::transaction::Tx<'a>),
}

impl<'a> From<&'a mut MiddlewarePoolConnection> for BatchTarget<'a> {
    fn from(conn: &'a mut MiddlewarePoolConnection) -> Self {
        BatchTarget::Connection(conn)
    }
}

#[cfg(feature = "postgres")]
impl<'a> From<&'a postgres::transaction::Tx<'a>> for BatchTarget<'a> {
    fn from(tx: &'a postgres::transaction::Tx<'a>) -> Self {
        BatchTarget::PostgresTx(tx)
    }
}

#[cfg(feature = "mssql")]
impl<'a> From<&'a mut mssql::transaction::Tx<'a>> for BatchTarget<'a> {
    fn from(tx: &'a mut mssql::transaction::Tx<'a>) -> Self {
        BatchTarget::MssqlTx(tx)
    }
}

#[cfg(feature = "turso")]
impl<'a> From<&'a turso::transaction::Tx<'a>> for BatchTarget<'a> {
    fn from(tx: &'a turso::transaction::Tx<'a>) -> Self {
        BatchTarget::TursoTx(tx)
    }
}

impl<'a> From<&'a mut MiddlewarePoolConnection> for QueryTarget<'a> {
    fn from(conn: &'a mut MiddlewarePoolConnection) -> Self {
        QueryTarget {
            translation_default: conn.translation_default(),
            statement_cache_mode: conn.statement_cache_mode_default(),
            kind: QueryTargetKind::Connection(conn),
        }
    }
}

#[cfg(feature = "postgres")]
impl<'a> From<&'a postgres::transaction::Tx<'a>> for QueryTarget<'a> {
    fn from(tx: &'a postgres::transaction::Tx<'a>) -> Self {
        QueryTarget {
            translation_default: false,
            statement_cache_mode: StatementCacheMode::Cached,
            kind: QueryTargetKind::PostgresTx(tx),
        }
    }
}

#[cfg(feature = "mssql")]
impl<'a> From<&'a mut mssql::transaction::Tx<'a>> for QueryTarget<'a> {
    fn from(tx: &'a mut mssql::transaction::Tx<'a>) -> Self {
        QueryTarget {
            translation_default: false,
            statement_cache_mode: StatementCacheMode::Cached,
            kind: QueryTargetKind::MssqlTx(tx),
        }
    }
}

#[cfg(feature = "turso")]
impl<'a> From<&'a turso::transaction::Tx<'a>> for QueryTarget<'a> {
    fn from(tx: &'a turso::transaction::Tx<'a>) -> Self {
        QueryTarget {
            translation_default: false,
            statement_cache_mode: StatementCacheMode::Cached,
            kind: QueryTargetKind::TursoTx(tx),
        }
    }
}