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step2 fixes

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This commit is contained in:
folex
2019-08-16 18:33:36 +03:00
parent ef471260b1
commit 4e236e0ee8
3 changed files with 16 additions and 16 deletions
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12
backend-rust/step2-database-only/src/lib.rs
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@ -11,17 +11,20 @@ fn init() {
#[invocation_handler(init_fn = init)]
fn run(nickname: String) -> String {
// Create table for messages storage
database::query("CREATE TABLE messages(msg text, username text)".to_string());
database::query("CREATE TABLE messages(msg text, username text)".to_string())
.expect("error on CREATE TABLE");
// Insert message 'Hello, username!' using `nickname` as author's username
database::query(format!(
r#"INSERT INTO messages VALUES("{}","{}")"#,
"Hello, username!", nickname
));
))
.expect("error on INSERT INTO");
// Get all messages
let messages = database::query("SELECT * FROM messages".to_string());
log::info!("messages: {}", messages);
let messages =
database::query("SELECT * FROM messages".to_string()).expect("error on SELECT *");
log::info!("messages: {:?}", messages);
// Get all messages as JSON via SQLite's JSON extension
database::query(
@ -30,4 +33,5 @@ fn run(nickname: String) -> String {
) AS json_result FROM (SELECT * FROM messages)"
.to_string(),
)
.expect("error on SELECT as json")
}