85 lines
2.3 KiB
JavaScript
85 lines
2.3 KiB
JavaScript
const TDengineCursor = require('./cursor')
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const CTaosInterface = require('./cinterface')
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module.exports = TDengineConnection;
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/**
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* TDengine Connection Class
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* @param {object} options - Options for configuring the connection with TDengine
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* @return {TDengineConnection}
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* @class TDengineConnection
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* @constructor
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* @example
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* //Initialize a new connection
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* var conn = new TDengineConnection({host:"127.0.0.1", user:"root", password:"taosdata", config:"/etc/taos",port:0})
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*
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*/
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function TDengineConnection(options) {
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this._conn = null;
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this._host = null;
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this._user = "root"; //The default user
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this._password = "taosdata"; //The default password
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this._database = null;
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this._port = 0;
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this._config = null;
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this._chandle = null;
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this._configConn(options)
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return this;
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}
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/**
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* Configure the connection to TDengine
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* @private
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* @memberof TDengineConnection
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*/
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TDengineConnection.prototype._configConn = function _configConn(options) {
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if (options['host']) {
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this._host = options['host'];
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}
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if (options['user']) {
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this._user = options['user'];
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}
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if (options['password']) {
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this._password = options['password'];
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}
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if (options['database']) {
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this._database = options['database'];
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}
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if (options['port']) {
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this._port = options['port'];
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}
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if (options['config']) {
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this._config = options['config'];
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}
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this._chandle = new CTaosInterface(this._config);
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this._conn = this._chandle.connect(this._host, this._user, this._password, this._database, this._port);
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}
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/** Close the connection to TDengine */
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TDengineConnection.prototype.close = function close() {
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this._chandle.close(this._conn);
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}
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/**
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* Initialize a new cursor to interact with TDengine with
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* @return {TDengineCursor}
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*/
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TDengineConnection.prototype.cursor = function cursor() {
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//Pass the connection object to the cursor
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return new TDengineCursor(this);
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}
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TDengineConnection.prototype.commit = function commit() {
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return this;
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}
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TDengineConnection.prototype.rollback = function rollback() {
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return this;
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}
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/**
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* Clear the results from connector
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* @private
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*/
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/*
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TDengineConnection.prototype._clearResultSet = function _clearResultSet() {
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var result = this._chandle.useResult(this._conn).result;
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if (result) {
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this._chandle.freeResult(result)
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}
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}
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*/
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