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SetBuilder

Struct SetBuilder 

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pub struct SetBuilder<'a, E: TitoEngine, T: TitoModelConstraints> { /* private fields */ }

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impl<'a, E: TitoEngine, T: TitoModelConstraints> SetBuilder<'a, E, T>

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pub fn changelog(self, changelog: bool) -> Self

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pub fn timestamps(self, timestamps: bool) -> Self

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pub async fn execute(self, tx: &E::Transaction) -> Result<T, TitoError>

Examples found in repository?
examples/crud.rs (line 53)
39async fn main() -> Result<(), TitoError> {
40    let tito_db = TiKV::connect(vec!["127.0.0.1:2379"]).await?;
41    let user_model = tito_db.clone().model::<User>(TitoModelOptions::default());
42
43    let user_id = DBUuid::new_v4().to_string();
44    let user = User {
45        id: user_id.clone(),
46        name: "John Doe".to_string(),
47        email: "john@example.com".to_string(),
48    };
49
50    let saved_user = tito_db
51        .transaction(|tx| {
52            let user_model = user_model.clone();
53            async move { user_model.set(user).execute(&tx).await }
54        })
55        .await?;
56
57    println!("Created user: {:?}", saved_user);
58
59    let found_user = user_model.get(&user_id).execute(None).await?;
60    println!("Found user: {:?}", found_user);
61
62    let updated_user = User {
63        id: user_id.clone(),
64        name: "John Updated".to_string(),
65        email: "john_updated@example.com".to_string(),
66    };
67
68    tito_db
69        .transaction(|tx| {
70            let user_model = user_model.clone();
71            async move { user_model.set(updated_user).execute(&tx).await }
72        })
73        .await?;
74
75    println!("User updated");
76
77    tito_db
78        .transaction(|tx| {
79            let user_model = user_model.clone();
80            async move { user_model.remove(&user_id, &tx).await }
81        })
82        .await?;
83
84    println!("User deleted");
85
86    Ok(())
87}
More examples
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examples/blog.rs (line 105)
89async fn main() -> Result<(), TitoError> {
90    let tito_db = TiKV::connect(vec!["127.0.0.1:2379"]).await?;
91
92    let post_model = tito_db.clone().model::<Post>(TitoModelOptions::default());
93    let tag_model = tito_db.clone().model::<Tag>(TitoModelOptions::default());
94
95    let tech_tag = tito_db
96        .transaction(|tx| {
97            let tag_model = tag_model.clone();
98            let tag = Tag {
99                id: DBUuid::new_v4().to_string(),
100                name: "Technology".to_string(),
101                description: "All about tech".to_string(),
102            };
103            let tag_clone = tag.clone();
104            async move {
105                tag_model.set(tag_clone).execute(&tx).await?;
106                Ok::<_, TitoError>(tag)
107            }
108        })
109        .await?;
110
111    let rust_tag = tito_db
112        .transaction(|tx| {
113            let tag_model = tag_model.clone();
114            let tag = Tag {
115                id: DBUuid::new_v4().to_string(),
116                name: "Rust".to_string(),
117                description: "Rust programming".to_string(),
118            };
119            let tag_clone = tag.clone();
120            async move {
121                tag_model.set(tag_clone).execute(&tx).await?;
122                Ok::<_, TitoError>(tag)
123            }
124        })
125        .await?;
126
127    println!("Created tags: {}, {}", tech_tag.name, rust_tag.name);
128
129    let post = tito_db
130        .transaction(|tx| {
131            let post_model = post_model.clone();
132            let post = Post {
133                id: DBUuid::new_v4().to_string(),
134                title: "Using Rust with TiKV".to_string(),
135                content: "Examples of using Rust with TiKV...".to_string(),
136                author: "Alice".to_string(),
137                tag_ids: vec![tech_tag.id.clone(), rust_tag.id.clone()],
138                tags: Vec::new(),
139            };
140            let post_clone = post.clone();
141            async move {
142                post_model.set(post_clone).execute(&tx).await?;
143                Ok::<_, TitoError>(post)
144            }
145        })
146        .await?;
147
148    println!("Created post: {}", post.title);
149
150    let post_with_tags = post_model
151        .get(&post.id)
152        .relationship("tags")
153        .execute(None)
154        .await?;
155
156    println!("Post: {}", post_with_tags.title);
157    println!("Tags:");
158    for tag in &post_with_tags.tags {
159        println!("- {}", tag.name);
160    }
161
162    let mut query = post_model.query_by_index("post-by-author");
163    let results = query
164        .value("Alice".to_string())
165        .relationship("tags")
166        .execute(None)
167        .await?;
168
169    println!("\nAlice's posts:");
170    for p in &results.items {
171        println!("- {} (tags: {})", p.title, p.tags.iter().map(|t| t.name.clone()).collect::<Vec<_>>().join(", "));
172    }
173
174    Ok(())
175}

Auto Trait Implementations§

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impl<'a, E, T> Freeze for SetBuilder<'a, E, T>
where T: Freeze,

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impl<'a, E, T> RefUnwindSafe for SetBuilder<'a, E, T>

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impl<'a, E, T> Send for SetBuilder<'a, E, T>

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impl<'a, E, T> Sync for SetBuilder<'a, E, T>

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impl<'a, E, T> Unpin for SetBuilder<'a, E, T>

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impl<'a, E, T> UnsafeUnpin for SetBuilder<'a, E, T>
where T: UnsafeUnpin,

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impl<'a, E, T> UnwindSafe for SetBuilder<'a, E, T>

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where T: 'static + ?Sized,

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where T: ?Sized,

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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fn instrument(self, span: Span) -> Instrumented<Self>

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Calls U::from(self).

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fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request
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type Error = Infallible

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type Error = <U as TryFrom<T>>::Error

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impl<V, T> VZip<V> for T
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fn vzip(self) -> V

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