tspace-mysql
Version:
Tspace MySQL is a promise-based ORM for Node.js, designed with modern TypeScript and providing type safety for schema databases.
150 lines • 5.18 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.MariadbDriver = void 0;
const __1 = require("..");
const MariadbQueryBuilder_1 = require("./MariadbQueryBuilder");
class MariadbDriver extends __1.BaseDriver {
constructor(options) {
super();
this.options = options;
}
connect() {
const options = this.options;
const mariadb = this.import("mariadb");
this.pool = mariadb.createPool({
host: options.host,
port: options.port,
database: options.database,
user: options.user || options.username,
password: options.password,
connectionLimit: options.connectionLimit ?? 20,
connectTimeout: options.connectTimeout ?? 1000 * 60,
minimumIdle: Math.max(2, Math.floor((options.connectionLimit ?? 20) / 3)),
acquireTimeout: 1000 * 20,
idleTimeout: 1000 * 60,
queryTimeout: 1000 * 60,
pipelining: true,
bigIntAsNumber: true,
insertIdAsNumber: true,
});
this.pool.getConnection().catch((err) => {
const message = this._messageError.bind(this);
process.nextTick(() => {
console.log(message(err?.message));
return process.exit();
});
});
return {
database: () => options.database,
on: (event, data) => this.on(event, data),
queryBuilder: MariadbQueryBuilder_1.MariadbQueryBuilder,
query: (sql) => this._query(sql),
connection: () => this._connection(),
end: () => this._end()
};
}
disconnect(pool) {
if (pool == null)
return;
pool?.end(() => {
pool = undefined;
});
}
async _query(sql) {
const start = Date.now();
const results = await this.pool.query(sql);
this._detectEventQuery({ start, sql });
this.meta(results, sql);
return this.returning(results);
}
async _connection() {
let closeTransaction = false;
const connection = await this.pool.getConnection();
const query = async (sql) => {
if (closeTransaction)
throw new Error(this.MESSAGE_TRX_CLOSED);
const start = Date.now();
const results = await connection.query(sql);
this._detectEventQuery({ start, sql });
this.meta(results, sql);
return this.returning(results);
};
const startTransaction = async () => {
if (closeTransaction)
throw new Error(this.MESSAGE_TRX_CLOSED);
await connection.beginTransaction();
};
const commit = async () => {
if (closeTransaction)
throw new Error(this.MESSAGE_TRX_CLOSED);
await connection.commit();
await end();
};
const rollback = async () => {
if (closeTransaction)
throw new Error(this.MESSAGE_TRX_CLOSED);
await connection.rollback();
await end();
};
const end = async () => {
await new Promise((resolve) => setTimeout(() => {
if (!closeTransaction) {
closeTransaction = true;
// After commit the transaction, you can't perform any actions with this transaction.
connection.destroy();
// After destroying the connection, it will be removed from the connection this.pool.
this.pool.end();
}
return resolve();
}, 500));
return;
};
return {
on: (event, data) => this.on(event, data),
query,
queryBuilder: MariadbQueryBuilder_1.MariadbQueryBuilder,
startTransaction,
commit,
rollback,
end,
};
}
async _end() {
await this.pool.end();
this.pool = undefined;
}
meta(results, sql) {
if (Array.isArray(results))
return;
if (results.$meta == null)
results.$meta = {};
const command = this._detectQueryType(sql);
results.$meta = {
command
};
if (command === 'INSERT') {
const insertIds = results.affectedRows <= 1
? [results.insertId]
: [...Array(results.affectedRows)].map((_, i) => results.insertId + i);
results.$meta = {
...results.$meta,
insertIds,
affected: true
};
}
if (command === 'UPDATE' || command === 'DELETE') {
results.$meta = {
...results.$meta,
insertIds: [],
affected: Boolean(results.affectedRows)
};
}
}
returning(results) {
if (Array.isArray(results))
return results;
return results;
}
}
exports.MariadbDriver = MariadbDriver;
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