typeorm
Version:
Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.
101 lines (99 loc) • 4.75 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ReactNativeQueryRunner = void 0;
const QueryRunnerAlreadyReleasedError_1 = require("../../error/QueryRunnerAlreadyReleasedError");
const QueryFailedError_1 = require("../../error/QueryFailedError");
const AbstractSqliteQueryRunner_1 = require("../sqlite-abstract/AbstractSqliteQueryRunner");
const Broadcaster_1 = require("../../subscriber/Broadcaster");
const QueryResult_1 = require("../../query-runner/QueryResult");
const BroadcasterResult_1 = require("../../subscriber/BroadcasterResult");
/**
* Runs queries on a single sqlite database connection.
*/
class ReactNativeQueryRunner extends AbstractSqliteQueryRunner_1.AbstractSqliteQueryRunner {
// -------------------------------------------------------------------------
// Constructor
// -------------------------------------------------------------------------
constructor(driver) {
super();
this.driver = driver;
this.connection = driver.connection;
this.broadcaster = new Broadcaster_1.Broadcaster(this);
}
/**
* Called before migrations are run.
*/
async beforeMigration() {
await this.query(`PRAGMA foreign_keys = OFF`);
}
/**
* Called after migrations are run.
*/
async afterMigration() {
await this.query(`PRAGMA foreign_keys = ON`);
}
/**
* Executes a given SQL query.
*/
query(query, parameters, useStructuredResult = false) {
if (this.isReleased)
throw new QueryRunnerAlreadyReleasedError_1.QueryRunnerAlreadyReleasedError();
return new Promise(async (ok, fail) => {
const databaseConnection = await this.connect();
const broadcasterResult = new BroadcasterResult_1.BroadcasterResult();
this.driver.connection.logger.logQuery(query, parameters, this);
this.broadcaster.broadcastBeforeQueryEvent(broadcasterResult, query, parameters);
const queryStartTime = +new Date();
databaseConnection.executeSql(query, parameters, async (raw) => {
// log slow queries if maxQueryExecution time is set
const maxQueryExecutionTime = this.driver.options.maxQueryExecutionTime;
const queryEndTime = +new Date();
const queryExecutionTime = queryEndTime - queryStartTime;
this.broadcaster.broadcastAfterQueryEvent(broadcasterResult, query, parameters, true, queryExecutionTime, raw, undefined);
if (maxQueryExecutionTime &&
queryExecutionTime > maxQueryExecutionTime)
this.driver.connection.logger.logQuerySlow(queryExecutionTime, query, parameters, this);
if (broadcasterResult.promises.length > 0)
await Promise.all(broadcasterResult.promises);
const result = new QueryResult_1.QueryResult();
if (raw?.hasOwnProperty("rowsAffected")) {
result.affected = raw.rowsAffected;
}
if (raw?.hasOwnProperty("rows")) {
let records = [];
for (let i = 0; i < raw.rows.length; i++) {
records.push(raw.rows.item(i));
}
result.raw = records;
result.records = records;
}
// return id of inserted row, if query was insert statement.
if (query.substr(0, 11) === "INSERT INTO") {
result.raw = raw.insertId;
}
if (useStructuredResult) {
ok(result);
}
else {
ok(result.raw);
}
}, async (err) => {
this.driver.connection.logger.logQueryError(err, query, parameters, this);
this.broadcaster.broadcastAfterQueryEvent(broadcasterResult, query, parameters, false, undefined, undefined, err);
await broadcasterResult.wait();
fail(new QueryFailedError_1.QueryFailedError(query, parameters, err));
});
});
}
// -------------------------------------------------------------------------
// Protected Methods
// -------------------------------------------------------------------------
/**
* Parametrizes given object of values. Used to create column=value queries.
*/
parametrize(objectLiteral, startIndex = 0) {
return Object.keys(objectLiteral).map((key, index) => `"${key}"` + "=?");
}
}
exports.ReactNativeQueryRunner = ReactNativeQueryRunner;
//# sourceMappingURL=ReactNativeQueryRunner.js.map