2021-06-15 21:20:29 +03:00

87 lines
2.2 KiB
Rust

extern crate marine_rs_sdk;
extern crate marine_sqlite_connector;
use marine_rs_sdk::marine;
use marine_sqlite_connector::State;
pub fn main() {}
#[marine]
pub fn test1() {
let connection = marine_sqlite_connector::open(":memory:").unwrap();
connection
.execute(
"
CREATE TABLE users (name TEXT, age INTEGER);
INSERT INTO users VALUES ('Alice', 42);
INSERT INTO users VALUES ('Bob', 69);
",
)
.unwrap();
connection
.iterate("SELECT * FROM users WHERE age > 50", |pairs| {
for &(column, value) in pairs.iter() {
println!("{} = {}", column, value.unwrap());
}
true
})
.unwrap();
}
#[marine]
pub fn test2() {
let connection = marine_sqlite_connector::open(":memory:").unwrap();
println!("connection id = {}\n", connection.as_raw());
connection
.execute(
"
CREATE TABLE users (name TEXT, age INTEGER);
INSERT INTO users VALUES ('Alice', 42);
INSERT INTO users VALUES ('Bob', 69);
",
)
.unwrap();
let mut statement = connection
.prepare("SELECT * FROM users WHERE age > ?")
.unwrap();
statement.bind(1, 50).unwrap();
while let State::Row = statement.next().unwrap() {
println!("name = {}", statement.read::<String>(0).unwrap());
println!("age = {}", statement.read::<i64>(1).unwrap());
}
}
#[marine]
pub fn test3() {
use marine_sqlite_connector::Value;
let connection = marine_sqlite_connector::open(":memory:").unwrap();
connection
.execute(
"
CREATE TABLE users (name TEXT, age INTEGER);
INSERT INTO users VALUES ('Alice', 42);
INSERT INTO users VALUES ('Bob', 69);
",
)
.unwrap();
let mut cursor = connection
.prepare("SELECT * FROM users WHERE age > ?")
.unwrap()
.cursor();
cursor.bind(&[Value::Integer(50)]).unwrap();
while let Some(row) = cursor.next().unwrap() {
println!("name = {}", row[0].as_string().unwrap());
println!("age = {}", row[1].as_integer().unwrap());
}
}