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zern/examples/sqlite_todo.zr
2025-11-22 21:06:00 +01:00

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// needs to be compiled with -m -C="-lsqlite3"
func main[] : I64
extern sqlite3_open
extern sqlite3_exec
extern sqlite3_prepare_v2
extern sqlite3_bind_text
extern sqlite3_step
extern sqlite3_errmsg
extern sqlite3_finalize
let rc: I64 = 0
let db: Ptr = mem.alloc(8)
let stmt: Ptr = mem.alloc(8)
rc = sqlite3_open("todo.db", db)
if rc
dbg.panic("failed to open db")
rc = sqlite3_exec(mem.read64(db), "CREATE TABLE IF NOT EXISTS todo(id INTEGER PRIMARY KEY AUTOINCREMENT, task TEXT NOT NULL);", 0, 0, 0)
if rc
dbg.panic(sqlite3_errmsg(mem.read64(db)))
sqlite3_prepare_v2(mem.read64(db), "INSERT INTO todo(task) VALUES(?);", -1, stmt, 0)
sqlite3_bind_text(mem.read64(stmt), 1, "World domination", -1, 0)
if sqlite3_step(mem.read64(stmt)) != 101
dbg.panic(sqlite3_errmsg(mem.read64(db)))
io.println("Task added!")
sqlite3_finalize(mem.read64(stmt))