@bitblit/ratchet-rdbms/lib/mysql/mysql-style-database-access.js

Ratchet tooling for working with relational databases

import { Logger } from '@bitblit/ratchet-common/logger/logger';
export class MysqlStyleDatabaseAccess {
    _connection;
    _connectionOptions;
    constructor(_connection, _connectionOptions) {
        this._connection = _connection;
        this._connectionOptions = _connectionOptions;
    }
    async testConnection(logTestResults) {
        if (logTestResults) {
            Logger.info('Running connection test');
        }
        const res = await this.query('SELECT UNIX_TIMESTAMP(now())*1000 AS test', {});
        const rows = res.results;
        const timestamp = rows.length === 1 ? rows[0].test : null;
        if (logTestResults) {
            Logger.info('Test returned : %j', timestamp);
        }
        return timestamp;
    }
    getRawDatabase() {
        return this._connection;
    }
    getRawDatabaseConfig() {
        return this._connectionOptions;
    }
    testConnectionQueryString() {
        return 'SELECT UNIX_TIMESTAMP(now())*1000 AS test';
    }
    async close() {
        return Promise.resolve(false);
    }
    escape(query) {
        return this._connection.escape(query);
    }
    async preQuery() {
        this._connection.config.namedPlaceholders = true;
    }
    async query(query, fields) {
        const [rows, outFields] = await this._connection.query(query, fields);
        const castRows = rows;
        const castFields = outFields;
        const rval = {
            results: castRows,
            fields: castFields,
        };
        return rval;
    }
    async modify(query, fields) {
        const tmp = await this.query(query, fields);
        return tmp;
    }
    async onRequestSuccessOrFailure(_type) {
        this._connection.config.namedPlaceholders = false;
    }
}
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