313 lines
9.3 KiB
JavaScript
313 lines
9.3 KiB
JavaScript
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'use strict';
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const AbstractQuery = require('../abstract/query');
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const sequelizeErrors = require('../../errors');
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const _ = require('lodash');
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const { logger } = require('../../utils/logger');
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const ER_DUP_ENTRY = 1062;
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const ER_DEADLOCK = 1213;
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const ER_ROW_IS_REFERENCED = 1451;
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const ER_NO_REFERENCED_ROW = 1452;
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const debug = logger.debugContext('sql:snowflake');
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class Query extends AbstractQuery {
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static formatBindParameters(sql, values, dialect) {
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const bindParam = [];
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const replacementFunc = (_match, key, values_) => {
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if (values_[key] !== undefined) {
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bindParam.push(values_[key]);
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return '?';
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}
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return undefined;
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};
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sql = AbstractQuery.formatBindParameters(sql, values, dialect, replacementFunc)[0];
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return [sql, bindParam.length > 0 ? bindParam : undefined];
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}
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async run(sql, parameters) {
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this.sql = sql;
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const { connection, options } = this;
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const showWarnings = this.sequelize.options.showWarnings || options.showWarnings;
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const complete = this._logQuery(sql, debug, parameters);
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if (parameters) {
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debug('parameters(%j)', parameters);
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}
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let results;
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try {
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results = await new Promise((resolve, reject) => {
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connection.execute({
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sqlText: sql,
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binds: parameters,
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complete(err, _stmt, rows) {
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if (err) {
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reject(err);
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} else {
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resolve(rows);
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}
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}
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});
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});
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} catch (error) {
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if (options.transaction && error.errno === ER_DEADLOCK) {
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try {
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await options.transaction.rollback();
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} catch (error_) {
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// ignore errors
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}
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options.transaction.finished = 'rollback';
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}
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error.sql = sql;
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error.parameters = parameters;
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throw this.formatError(error);
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} finally {
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complete();
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}
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if (showWarnings && results && results.warningStatus > 0) {
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await this.logWarnings(results);
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}
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return this.formatResults(results);
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}
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/**
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* High level function that handles the results of a query execution.
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*
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*
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* Example:
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* query.formatResults([
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* {
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* id: 1, // this is from the main table
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* attr2: 'snafu', // this is from the main table
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* Tasks.id: 1, // this is from the associated table
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* Tasks.title: 'task' // this is from the associated table
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* }
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* ])
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*
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* @param {Array} data - The result of the query execution.
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* @private
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*/
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formatResults(data) {
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let result = this.instance;
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if (this.isInsertQuery(data)) {
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this.handleInsertQuery(data);
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if (!this.instance) {
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// handle bulkCreate AI primary key
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if (
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data.constructor.name === 'ResultSetHeader'
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&& this.model
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&& this.model.autoIncrementAttribute
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&& this.model.autoIncrementAttribute === this.model.primaryKeyAttribute
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&& this.model.rawAttributes[this.model.primaryKeyAttribute]
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) {
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const startId = data[this.getInsertIdField()];
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result = [];
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for (let i = startId; i < startId + data.affectedRows; i++) {
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result.push({ [this.model.rawAttributes[this.model.primaryKeyAttribute].field]: i });
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}
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} else {
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result = data[this.getInsertIdField()];
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}
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}
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}
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if (this.isSelectQuery()) {
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// Snowflake will treat tables as case-insensitive, so fix the case
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// of the returned values to match attributes
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if (this.options.raw === false && this.sequelize.options.quoteIdentifiers === false) {
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const sfAttrMap = _.reduce(this.model.rawAttributes, (m, v, k) => {
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m[k.toUpperCase()] = k;
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return m;
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}, {});
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data = data.map(data => _.reduce(data, (prev, value, key) => {
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if ( value !== undefined && sfAttrMap[key] ) {
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prev[sfAttrMap[key]] = value;
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delete prev[key];
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}
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return prev;
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}, data));
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}
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this.options.fieldMap = _.mapKeys(this.options.fieldMap, (v, k) => { return k.toUpperCase(); });
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return this.handleSelectQuery(data);
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}
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if (this.isShowTablesQuery()) {
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return this.handleShowTablesQuery(data);
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}
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if (this.isDescribeQuery()) {
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result = {};
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for (const _result of data) {
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result[_result.Field] = {
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type: _result.Type.toUpperCase(),
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allowNull: _result.Null === 'YES',
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defaultValue: _result.Default,
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primaryKey: _result.Key === 'PRI',
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autoIncrement: Object.prototype.hasOwnProperty.call(_result, 'Extra')
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&& _result.Extra.toLowerCase() === 'auto_increment',
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comment: _result.Comment ? _result.Comment : null
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};
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}
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return result;
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}
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if (this.isShowIndexesQuery()) {
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return this.handleShowIndexesQuery(data);
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}
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if (this.isCallQuery()) {
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return data[0];
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}
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if (this.isBulkUpdateQuery() || this.isBulkDeleteQuery()) {
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return data[0]['number of rows updated'];
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}
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if (this.isVersionQuery()) {
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return data[0].version;
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}
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if (this.isForeignKeysQuery()) {
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return data;
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}
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if (this.isUpsertQuery()) {
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return [result, data.affectedRows === 1];
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}
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if (this.isInsertQuery() || this.isUpdateQuery()) {
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return [result, data.affectedRows];
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}
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if (this.isShowConstraintsQuery()) {
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return data;
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}
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if (this.isRawQuery()) {
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return [data, data];
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}
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return result;
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}
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async logWarnings(results) {
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const warningResults = await this.run('SHOW WARNINGS');
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const warningMessage = `Snowflake Warnings (${this.connection.uuid || 'default'}): `;
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const messages = [];
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for (const _warningRow of warningResults) {
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if (_warningRow === undefined || typeof _warningRow[Symbol.iterator] !== 'function') {
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continue;
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}
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for (const _warningResult of _warningRow) {
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if (Object.prototype.hasOwnProperty.call(_warningResult, 'Message')) {
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messages.push(_warningResult.Message);
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} else {
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for (const _objectKey of _warningResult.keys()) {
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messages.push([_objectKey, _warningResult[_objectKey]].join(': '));
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}
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}
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}
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}
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this.sequelize.log(warningMessage + messages.join('; '), this.options);
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return results;
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}
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formatError(err) {
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const errCode = err.errno || err.code;
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switch (errCode) {
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case ER_DUP_ENTRY: {
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const match = err.message.match(/Duplicate entry '([\s\S]*)' for key '?((.|\s)*?)'?$/);
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let fields = {};
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let message = 'Validation error';
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const values = match ? match[1].split('-') : undefined;
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const fieldKey = match ? match[2] : undefined;
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const fieldVal = match ? match[1] : undefined;
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const uniqueKey = this.model && this.model.uniqueKeys[fieldKey];
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if (uniqueKey) {
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if (uniqueKey.msg) message = uniqueKey.msg;
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fields = _.zipObject(uniqueKey.fields, values);
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} else {
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fields[fieldKey] = fieldVal;
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}
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const errors = [];
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_.forOwn(fields, (value, field) => {
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errors.push(new sequelizeErrors.ValidationErrorItem(
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this.getUniqueConstraintErrorMessage(field),
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'unique violation', // sequelizeErrors.ValidationErrorItem.Origins.DB,
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field,
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value,
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this.instance,
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'not_unique'
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));
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});
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return new sequelizeErrors.UniqueConstraintError({ message, errors, parent: err, fields });
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}
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case ER_ROW_IS_REFERENCED:
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case ER_NO_REFERENCED_ROW: {
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// e.g. CONSTRAINT `example_constraint_name` FOREIGN KEY (`example_id`) REFERENCES `examples` (`id`)
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const match = err.message.match(
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/CONSTRAINT ([`"])(.*)\1 FOREIGN KEY \(\1(.*)\1\) REFERENCES \1(.*)\1 \(\1(.*)\1\)/
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);
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const quoteChar = match ? match[1] : '`';
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const fields = match ? match[3].split(new RegExp(`${quoteChar}, *${quoteChar}`)) : undefined;
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return new sequelizeErrors.ForeignKeyConstraintError({
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reltype: String(errCode) === String(ER_ROW_IS_REFERENCED) ? 'parent' : 'child',
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table: match ? match[4] : undefined,
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fields,
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value: fields && fields.length && this.instance && this.instance[fields[0]] || undefined,
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index: match ? match[2] : undefined,
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parent: err
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});
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}
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default:
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return new sequelizeErrors.DatabaseError(err);
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}
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}
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handleShowIndexesQuery(data) {
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// Group by index name, and collect all fields
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data = data.reduce((acc, item) => {
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if (!(item.Key_name in acc)) {
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acc[item.Key_name] = item;
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item.fields = [];
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}
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acc[item.Key_name].fields[item.Seq_in_index - 1] = {
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attribute: item.Column_name,
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length: item.Sub_part || undefined,
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order: item.Collation === 'A' ? 'ASC' : undefined
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};
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delete item.column_name;
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return acc;
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}, {});
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return _.map(data, item => ({
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primary: item.Key_name === 'PRIMARY',
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fields: item.fields,
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name: item.Key_name,
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tableName: item.Table,
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unique: item.Non_unique !== 1,
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type: item.Index_type
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}));
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}
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}
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module.exports = Query;
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module.exports.Query = Query;
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module.exports.default = Query;
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