本文整理匯總了TypeScript中sql.js.Database.prepare方法的典型用法代碼示例。如果您正苦於以下問題:TypeScript js.Database.prepare方法的具體用法?TypeScript js.Database.prepare怎麽用?TypeScript js.Database.prepare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.prepare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: catch
var n = db.getRowsModified();
try {
// This query will throw exception: primary key constraint failed.
db.run(insertRecordStatement, {
"@id": 1,
"@content": "Content 3"
});
} catch (ex) {
console.warn(ex);
}
// A simple SELECT query.
var selectRecordStatement =
"SELECT * FROM test_table WHERE id = @id;"
var selectStatementObject = db.prepare(selectRecordStatement);
var results = selectStatementObject.get({
"@id": 1
});
console.log(results);
selectStatementObject.free();
// Access the results one by one, asynchronously.
var selectRecordsStatement =
"SELECT * FROM test_table;";
db.each(
selectRecordsStatement,
(obj: { [columnName: string]: number | string | Uint8Array }): void => {
console.log(obj);
},
(): void => {