[−][src]Macro ledb::query
Unified query macro
ⓘThis example is not tested
use serde::{Serialize, Deserialize}; use ledb::*; #[derive(Serialize, Deserialize)] struct MyDoc { field: String, } fn main() { let db_handle = Storage::open(".my_db").unwrap(); let my_collection = db_handle.collection("my_collection").unwrap(); // ensure index assert!( query!(index for my_collection field Int, other_field Binary, field.subfield String unique, ).is_ok() ); // find query assert!( query!(find in my_collection where field == "abc").is_ok() ); // find query with ascending ordering by field assert!( query!(find in my_collection where field == "abc" order by other.field).is_ok() ); // find query with result document type with descending ordering by primary key assert!( query!(find MyDoc in my_collection where field == "abc" order ^).is_ok() ); // update query assert!( query!(update in my_collection modify field = "def" where [field == "abc"]).is_ok() ); // remove query assert!( query!(remove from my_collection where field == "def").is_ok() ); }