drizzle 0.1.10

A type-safe SQL query builder for Rust
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

#![cfg(all(
    any(feature = "rusqlite", feature = "turso", feature = "libsql"),
    any(feature = "compact-str", feature = "bytes", feature = "smallvec-types")
))]

use drizzle::core::expr::*;
use drizzle::sqlite::prelude::*;

#[cfg(feature = "compact-str")]
use compact_str::CompactString;

#[cfg(feature = "bytes")]
use bytes::{Bytes, BytesMut};

#[cfg(feature = "smallvec-types")]
use smallvec::SmallVec;

#[cfg(feature = "compact-str")]
#[SQLiteTable(NAME = "compact_string_test")]
struct CompactStringTest {
    #[column(PRIMARY)]
    id: i32,
    name: CompactString,
    note: String,
}

#[cfg(feature = "compact-str")]
#[derive(SQLiteSchema)]
struct CompactStringSchema {
    compact_string_test: CompactStringTest,
}

#[cfg(feature = "compact-str")]
#[drizzle::test]
fn compact_string_roundtrip_and_storage(db: &mut TestDb<CompactStringSchema>) {
    let table = schema.compact_string_test;

    let value = CompactString::new("compact hello");
    let row = InsertCompactStringTest::new(value.clone(), "compact note");
    db.insert(table).values([row]).execute();

    let out: Vec<SelectCompactStringTest> = db
        .select((table.id, table.name, table.note))
        .from(table)
        .r#where(eq(table.id, 1))
        .all();

    assert_eq!(out.len(), 1);
    assert_eq!(out[0].name, value);
    assert_eq!(out[0].note, "compact note");

    #[derive(SQLiteFromRow, Debug)]
    struct Ty(String);
    let ty: Ty = db
        .select(r#typeof(table.name).alias("name_type"))
        .from(table)
        .r#where(eq(table.id, 1))
        .get();

    assert_eq!(ty.0, "text");
}

#[cfg(feature = "bytes")]
#[SQLiteTable(NAME = "bytes_blob_test")]
struct BytesBlobTest {
    #[column(PRIMARY)]
    id: i32,
    payload: Bytes,
    mutable_payload: BytesMut,
    note: String,
}

#[cfg(feature = "bytes")]
#[derive(SQLiteSchema)]
struct BytesBlobSchema {
    bytes_blob_test: BytesBlobTest,
}

#[cfg(feature = "bytes")]
#[drizzle::test]
fn bytes_roundtrip_and_storage(db: &mut TestDb<BytesBlobSchema>) {
    let table = schema.bytes_blob_test;

    let payload = Bytes::from_static(b"hello-bytes");
    let mutable_payload = BytesMut::from(&b"hello-bytes-mut"[..]);
    let row = InsertBytesBlobTest::new(payload.clone(), mutable_payload.clone(), "bytes note");
    db.insert(table).values([row]).execute();

    let out: Vec<SelectBytesBlobTest> = db
        .select((table.id, table.payload, table.mutable_payload, table.note))
        .from(table)
        .r#where(eq(table.id, 1))
        .all();

    assert_eq!(out.len(), 1);
    assert_eq!(out[0].payload.as_ref(), payload.as_ref());
    assert_eq!(out[0].mutable_payload.as_ref(), mutable_payload.as_ref());
    assert_eq!(out[0].note, "bytes note");

    #[derive(SQLiteFromRow, Debug)]
    struct Ty(String, String);
    let ty: Ty = db
        .select((
            r#typeof(table.payload).alias("payload_type"),
            r#typeof(table.mutable_payload).alias("mutable_payload_type"),
        ))
        .from(table)
        .r#where(eq(table.id, 1))
        .get();

    assert_eq!(ty.0, "blob");
    assert_eq!(ty.1, "blob");
}

#[cfg(feature = "smallvec-types")]
#[SQLiteTable(NAME = "smallvec_blob_test")]
struct SmallVecBlobTest {
    #[column(PRIMARY)]
    id: i32,
    payload: SmallVec<[u8; 16]>,
    note: String,
}

#[cfg(feature = "smallvec-types")]
#[derive(SQLiteSchema)]
struct SmallVecBlobSchema {
    smallvec_blob_test: SmallVecBlobTest,
}

#[cfg(feature = "smallvec-types")]
#[drizzle::test]
fn smallvec_roundtrip_and_storage(db: &mut TestDb<SmallVecBlobSchema>) {
    let table = schema.smallvec_blob_test;

    let mut payload = SmallVec::<[u8; 16]>::new();
    payload.extend_from_slice(&[1, 2, 3, 4, 5, 6]);
    let row = InsertSmallVecBlobTest::new(payload.clone(), "smallvec note");
    db.insert(table).values([row]).execute();

    let out: Vec<SelectSmallVecBlobTest> = db
        .select((table.id, table.payload, table.note))
        .from(table)
        .r#where(eq(table.id, 1))
        .all();

    assert_eq!(out.len(), 1);
    assert_eq!(out[0].payload.as_slice(), payload.as_slice());
    assert_eq!(out[0].note, "smallvec note");

    #[derive(SQLiteFromRow, Debug)]
    struct Ty(String);
    let ty: Ty = db
        .select(r#typeof(table.payload).alias("payload_type"))
        .from(table)
        .r#where(eq(table.id, 1))
        .get();

    assert_eq!(ty.0, "blob");
}