typeorm
Version:
Data-Mapper ORM for TypeScript and ES2021+. Supports MySQL/MariaDB, PostgreSQL, MS SQL Server, Oracle, SAP HANA, SQLite, MongoDB databases.
93 lines (91 loc) • 3.86 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.NativescriptQueryRunner = void 0;
const QueryFailedError_1 = require("../../error/QueryFailedError");
const QueryRunnerAlreadyReleasedError_1 = require("../../error/QueryRunnerAlreadyReleasedError");
const QueryResult_1 = require("../../query-runner/QueryResult");
const Broadcaster_1 = require("../../subscriber/Broadcaster");
const AbstractSqliteQueryRunner_1 = require("../sqlite-abstract/AbstractSqliteQueryRunner");
/**
* Runs queries on a single sqlite database connection.
*/
class NativescriptQueryRunner 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.
*/
async query(query, parameters, useStructuredResult = false) {
if (this.isReleased) {
throw new QueryRunnerAlreadyReleasedError_1.QueryRunnerAlreadyReleasedError();
}
const connection = this.driver.connection;
const databaseConnection = await this.connect();
return new Promise(async (ok, fail) => {
const isInsertQuery = query.substr(0, 11) === "INSERT INTO";
connection.logger.logQuery(query, parameters, this);
const handler = (err, raw) => {
// log slow queries if maxQueryExecution time is set
const maxQueryExecutionTime = this.driver.options.maxQueryExecutionTime;
const queryEndTime = Date.now();
const queryExecutionTime = queryEndTime - queryStartTime;
if (maxQueryExecutionTime &&
queryExecutionTime > maxQueryExecutionTime) {
connection.logger.logQuerySlow(queryExecutionTime, query, parameters, this);
}
if (err) {
connection.logger.logQueryError(err, query, parameters, this);
fail(new QueryFailedError_1.QueryFailedError(query, parameters, err));
}
const result = new QueryResult_1.QueryResult();
result.raw = raw;
if (!isInsertQuery && Array.isArray(raw)) {
result.records = raw;
}
if (useStructuredResult) {
ok(result);
}
else {
ok(result.raw);
}
};
const queryStartTime = Date.now();
if (isInsertQuery) {
databaseConnection.execSQL(query, parameters, handler);
}
else {
databaseConnection.all(query, parameters, handler);
}
});
}
// -------------------------------------------------------------------------
// 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.NativescriptQueryRunner = NativescriptQueryRunner;
//# sourceMappingURL=NativescriptQueryRunner.js.map