73 lines
1.8 KiB
JavaScript
73 lines
1.8 KiB
JavaScript
// better-sqlite3 Client
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// -------
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const Client_SQLite3 = require('../sqlite3');
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class Client_BetterSQLite3 extends Client_SQLite3 {
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_driver() {
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return require('better-sqlite3');
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}
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// Get a raw connection from the database, returning a promise with the connection object.
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async acquireRawConnection() {
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return new this.driver(this.connectionSettings.filename);
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}
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// Used to explicitly close a connection, called internally by the pool when
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// a connection times out or the pool is shutdown.
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async destroyRawConnection(connection) {
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return connection.close();
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}
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// Runs the query on the specified connection, providing the bindings and any
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// other necessary prep work.
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async _query(connection, obj) {
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if (!obj.sql) throw new Error('The query is empty');
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if (!connection) {
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throw new Error('No connection provided');
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}
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const statement = connection.prepare(obj.sql);
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const bindings = this._formatBindings(obj.bindings);
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if (statement.reader) {
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const response = await statement.all(bindings);
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obj.response = response;
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return obj;
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}
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const response = await statement.run(bindings);
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obj.response = response;
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obj.context = {
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lastID: response.lastInsertRowid,
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changes: response.changes,
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};
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return obj;
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}
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_formatBindings(bindings) {
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if (!bindings) {
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return [];
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}
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return bindings.map((binding) => {
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if (binding instanceof Date) {
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return binding.valueOf();
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}
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if (typeof binding === 'boolean') {
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return Number(binding);
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}
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return binding;
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});
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}
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}
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Object.assign(Client_BetterSQLite3.prototype, {
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// The "dialect", for reference .
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driverName: 'better-sqlite3',
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});
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module.exports = Client_BetterSQLite3;
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