本文整理匯總了TypeScript中sql.js.Database.create_function方法的典型用法代碼示例。如果您正苦於以下問題：TypeScript js.Database.create_function方法的具體用法？TypeScript js.Database.create_function怎麽用？TypeScript js.Database.create_function使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類sql.js.Database的用法示例。
在下文中一共展示了js.Database.create_function方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: dbAccessDone
console.log(obj);
},
(): void => {
console.info("Iteration done.");
dbAccessDone();
});
function dbAccessDone(): void {
// Save the database into SQLite version 3 format.
if (!fs.existsSync(DB_PATH)) {
createFile(DB_PATH);
}
var exportedData = db.export();
fs.writeFileSync(DB_PATH, exportedData);
// Finally, close the database connection and release the resources in memory.
db.close();
}
// Create a database
var db2 = new SQL.Database();
// You can also use javascript functions inside your SQL code
// Create the js function you need
function add(a: number, b: number): number {return a+b;}
// Specifies the SQL function's name, the number of it's arguments, and the js function to use
db2.create_function("add_js", add);
// Run a query in which the function is used
db2.run("INSERT INTO hello VALUES (add_js(7, 3), add_js('Hello ', 'world'));"); // Inserts 10 and 'Hello world'