username VARCHAR UNIQUE NOT NULL, email VARCHAR UNIQUE NOT NULL, password VARCHAR NOT NULL, createdAt TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP );CREATE TABLE IF NOT EXISTS notes ( id SERIAL PRIMARY KEY, message VARCHAR NOT...
CREATE TABLE IF NOT EXISTS users (id SERIAL PRIMARY KEY,username VARCHAR UNIQUE NOT NULL,email VARCHAR UNIQUE NOT NULL,password VARCHAR NOT NULL,createdAt TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP); CREATE TABLE IF NOT EXISTS notes (id SERIAL PRIMARY KEY,message VARCHAR NOT NULL,owner ...
AI代码解释 --backend/migrations/_schema.sqlDROPTABLEIFEXISTSsessions;CREATETABLEIFNOTEXISTSusers(idSERIALPRIMARYKEY,usernameVARCHARUNIQUENOTNULL,emailVARCHARUNIQUENOTNULL,passwordVARCHARNOTNULL,createdAtTIMESTAMPWITHTIMEZONEDEFAULTCURRENT_TIMESTAMP);CREATETABLEIFNOTEXISTSnotes(idSERIALPRIMARYKEY,messageVARCHARNOTNULL...
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// Create the frames folder if it does not exist if!Path::new(frames_folder).exists(){ fs::create_dir(frames_folder)?; } // Open the input video file letmut ictx=input(&source_url)?; // Find the best video stream letinput_stream= ictx ...
CREATE TABLE IF NOT EXISTS sessions ( id SERIAL PRIMARY KEY, session_id VARCHAR NOT NULL UNIQUE, user_id INT NOT NULL UNIQUE ); 迁移会自动运行。但如果大家想要手动操作,也可以使用 sqlx migrate run --database-url。这种操作之所以可行,是因为我们已经将 SQL 文件设置为幂等,就是说只要已经存在该表...
If the file opens successfully, we proceed with the Ok branch. If the file is not found, we print a custom error message. For any other error, we use panic! to crash the program, printing the error for debugging. Rust’s error handling system encourages explicit and safe handling of fai...
if module.get_name(tcx.symbol_name(instance).name).is_none() { return; } Expand Down Expand Up @@ -75,7 +75,7 @@ pub(crate) fn maybe_create_entry_wrapper( } }; let instance = Instance::mono(tcx, rust_main_def_id).polymorphize(tcx); let instance = Instance::mono(tcx, rust...
But I wasn't able to diagnose on the spot! I had to do the "ok, let's create a new hello-world project and see if it works there" dance to debug this (and it was actually the person whom I was trying to help who said "huh, maybe the problem is that Cargo.toml is in a ...
# set that all the Cargo.toml files create, instead of updating it. #locked-deps = false # Indicate whether the vendored sources are used for Rust dependencies or not. # # Vendoring requires additional setup. We recommend using the pre-generated source tarballs if you # want to use...