typeorm/browser/driver/expo/ExpoQueryRunner.js

Data-Mapper ORM for TypeScript and ES2021+. Supports MySQL/MariaDB, PostgreSQL, MS SQL Server, Oracle, SAP HANA, SQLite, MongoDB databases.

import { QueryFailedError } from "../../error/QueryFailedError";
import { QueryRunnerAlreadyReleasedError } from "../../error/QueryRunnerAlreadyReleasedError";
import { QueryResult } from "../../query-runner/QueryResult";
import { Broadcaster } from "../../subscriber/Broadcaster";
import { BroadcasterResult } from "../../subscriber/BroadcasterResult";
import { AbstractSqliteQueryRunner } from "../sqlite-abstract/AbstractSqliteQueryRunner";
export class ExpoQueryRunner extends AbstractSqliteQueryRunner {
    constructor(driver) {
        super();
        this.driver = driver;
        this.connection = driver.connection;
        this.broadcaster = new Broadcaster(this);
    }
    async beforeMigration() {
        await this.query("PRAGMA foreign_keys = OFF");
    }
    async afterMigration() {
        await this.query("PRAGMA foreign_keys = ON");
    }
    async query(query, parameters, useStructuredResult = false) {
        if (this.isReleased)
            throw new QueryRunnerAlreadyReleasedError();
        const databaseConnection = await this.connect();
        const broadcasterResult = new BroadcasterResult();
        this.driver.connection.logger.logQuery(query, parameters, this);
        await this.broadcaster.broadcast("BeforeQuery", query, parameters);
        const queryStartTime = Date.now();
        const statement = await databaseConnection.prepareAsync(query);
        try {
            const rawResult = await statement.executeAsync(parameters);
            const maxQueryExecutionTime = this.driver.options.maxQueryExecutionTime;
            const queryEndTime = Date.now();
            const queryExecutionTime = queryEndTime - queryStartTime;
            this.broadcaster.broadcastAfterQueryEvent(broadcasterResult, query, parameters, true, queryExecutionTime, rawResult, undefined);
            await broadcasterResult.wait();
            if (maxQueryExecutionTime &&
                queryExecutionTime > maxQueryExecutionTime) {
                this.driver.connection.logger.logQuerySlow(queryExecutionTime, query, parameters, this);
            }
            const result = new QueryResult();
            result.affected = rawResult.changes;
            result.records = await rawResult.getAllAsync();
            result.raw = query.startsWith("INSERT INTO")
                ? rawResult.lastInsertRowId
                : result.records;
            return useStructuredResult ? result : result.raw;
        }
        catch (err) {
            this.driver.connection.logger.logQueryError(err, query, parameters, this);
            this.broadcaster.broadcastAfterQueryEvent(broadcasterResult, query, parameters, false, 0, undefined, err);
            await broadcasterResult.wait();
            throw new QueryFailedError(query, parameters, err);
        }
        finally {
            await broadcasterResult.wait();
            await statement.finalizeAsync();
        }
    }
}

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