128 lines
4.3 KiB
JavaScript
128 lines
4.3 KiB
JavaScript
"use strict";
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var __defProp = Object.defineProperty;
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var __getOwnPropSymbols = Object.getOwnPropertySymbols;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __propIsEnum = Object.prototype.propertyIsEnumerable;
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var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
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var __spreadValues = (a, b) => {
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for (var prop in b || (b = {}))
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if (__hasOwnProp.call(b, prop))
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__defNormalProp(a, prop, b[prop]);
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if (__getOwnPropSymbols)
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for (var prop of __getOwnPropSymbols(b)) {
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if (__propIsEnum.call(b, prop))
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__defNormalProp(a, prop, b[prop]);
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}
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return a;
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};
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const AbstractConnectionManager = require("../abstract/connection-manager");
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const SequelizeErrors = require("../../errors");
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const { logger } = require("../../utils/logger");
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const DataTypes = require("../../data-types").snowflake;
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const debug = logger.debugContext("connection:snowflake");
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const parserStore = require("../parserStore")("snowflake");
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class ConnectionManager extends AbstractConnectionManager {
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constructor(dialect, sequelize) {
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sequelize.config.port = sequelize.config.port || 3306;
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super(dialect, sequelize);
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this.lib = this._loadDialectModule("snowflake-sdk");
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this.refreshTypeParser(DataTypes);
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}
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_refreshTypeParser(dataType) {
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parserStore.refresh(dataType);
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}
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_clearTypeParser() {
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parserStore.clear();
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}
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static _typecast(field, next) {
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if (parserStore.get(field.type)) {
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return parserStore.get(field.type)(field, this.sequelize.options, next);
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}
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return next();
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}
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async connect(config) {
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const connectionConfig = __spreadValues({
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account: config.host,
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username: config.username,
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password: config.password,
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database: config.database,
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warehouse: config.warehouse,
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role: config.role
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}, config.dialectOptions);
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try {
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const connection = await new Promise((resolve, reject) => {
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this.lib.createConnection(connectionConfig).connect((err, conn) => {
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if (err) {
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console.log(err);
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reject(err);
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} else {
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resolve(conn);
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}
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});
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});
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debug("connection acquired");
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if (!this.sequelize.config.keepDefaultTimezone) {
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const tzOffset = this.sequelize.options.timezone === "+00:00" ? "Etc/UTC" : this.sequelize.options.timezone;
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const isNamedTzOffset = /\//.test(tzOffset);
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if (isNamedTzOffset) {
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await new Promise((resolve, reject) => {
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connection.execute({
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sqlText: `ALTER SESSION SET timezone = '${tzOffset}'`,
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complete(err) {
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if (err) {
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console.log(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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});
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});
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} else {
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throw Error("only support time zone name for snowflake!");
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}
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}
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return connection;
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} catch (err) {
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switch (err.code) {
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case "ECONNREFUSED":
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throw new SequelizeErrors.ConnectionRefusedError(err);
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case "ER_ACCESS_DENIED_ERROR":
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throw new SequelizeErrors.AccessDeniedError(err);
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case "ENOTFOUND":
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throw new SequelizeErrors.HostNotFoundError(err);
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case "EHOSTUNREACH":
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throw new SequelizeErrors.HostNotReachableError(err);
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case "EINVAL":
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throw new SequelizeErrors.InvalidConnectionError(err);
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default:
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throw new SequelizeErrors.ConnectionError(err);
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}
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}
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}
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async disconnect(connection) {
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if (!connection.isUp()) {
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debug("connection tried to disconnect but was already at CLOSED state");
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return;
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}
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return new Promise((resolve, reject) => {
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connection.destroy((err) => {
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if (err) {
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console.error(`Unable to disconnect: ${err.message}`);
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reject(err);
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} else {
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console.log(`Disconnected connection with id: ${connection.getId()}`);
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resolve(connection.getId());
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}
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});
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});
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}
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validate(connection) {
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return connection.isUp();
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}
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}
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module.exports = ConnectionManager;
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module.exports.ConnectionManager = ConnectionManager;
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module.exports.default = ConnectionManager;
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//# sourceMappingURL=connection-manager.js.map
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