126 lines
3.6 KiB
JavaScript
126 lines
3.6 KiB
JavaScript
/*
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Сервис интеграции ПП Парус 8 с WEB API
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Дополнительный модуль: работа с БД ПП Парус 8 (Oracle)
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*/
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//----------------------
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// Подключение библиотек
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//----------------------
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const oracledb = require("oracledb"); //Работа с СУБД Oracle
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//------------
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// Тело модуля
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//------------
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//Подключение к БД
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const connect = prms => {
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return new Promise((resolve, reject) => {
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oracledb.getConnection(
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{
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user: prms.user,
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password: prms.password,
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connectString: prms.connectString
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},
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function(err, connection) {
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if (err) {
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reject(err);
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} else {
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resolve(connection);
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}
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}
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);
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});
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};
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//Отключение от БД
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const disconnect = connection => {
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return new Promise((resolve, reject) => {
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if (connection) {
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connection.close(function(err) {
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if (err) {
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reject(err);
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} else {
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resolve();
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}
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});
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} else {
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reject(new Error("No connection specified"));
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}
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});
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};
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//Исполнение запроса
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const execute = prms => {
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console.log("EXECUTE");
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};
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//-----------------
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// Интерфейс модуля
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//-----------------
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exports.connect = connect;
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exports.disconnect = disconnect;
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exports.execute = execute;
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/*
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oracledb.getConnection(
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{
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user: cfg.dbConnect.user,
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password: cfg.dbConnect.password,
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connectString: cfg.dbConnect.connectString
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},
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function(err, connection) {
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if (err) {
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console.error(err.message);
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return;
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}
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connection.execute(
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// The statement to execute
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"SELECT rn, agnabbr FROM agnlist WHERE rn = :id",
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// The "bind value" 180 for the bind variable ":id"
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[1431890],
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// execute() options argument. Since the query only returns one
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// row, we can optimize memory usage by reducing the default
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// maxRows value. For the complete list of other options see
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// the documentation.
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{
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maxRows: 1
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//, outFormat: oracledb.OBJECT // query result format
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//, extendedMetaData: true // get extra metadata
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//, fetchArraySize: 100 // internal buffer allocation size for tuning
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},
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// The callback function handles the SQL execution results
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function(err, result) {
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if (err) {
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console.error(err.message);
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setTimeout(() => {
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doRelease(connection);
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}, 2000);
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return;
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}
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console.log(result.metaData); // [ { name: 'DEPARTMENT_ID' }, { name: 'DEPARTMENT_NAME' } ]
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console.log(result.rows); // [ [ 180, 'Construction' ] ]
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setTimeout(() => {
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doRelease(connection);
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}, 2000);
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}
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);
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}
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);
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// Note: connections should always be released when not needed
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function doRelease(connection) {
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connection.close(function(err) {
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if (err) {
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console.log("Connection closed with erros: " + err.message);
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} else {
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console.log("Connection closed - no erros");
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}
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});
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}
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*/
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