init source

node_modules/sequelize/lib/dialects/mysql/index.js

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+'use strict';
+
+const _ = require('lodash');
+const AbstractDialect = require('../abstract');
+const ConnectionManager = require('./connection-manager');
+const Query = require('./query');
+const QueryGenerator = require('./query-generator');
+const DataTypes = require('../../data-types').mysql;
+
+class MysqlDialect extends AbstractDialect {
+  constructor(sequelize) {
+    super();
+    this.sequelize = sequelize;
+    this.connectionManager = new ConnectionManager(this, sequelize);
+    this.QueryGenerator = new QueryGenerator({
+      _dialect: this,
+      sequelize
+    });
+  }
+}
+
+MysqlDialect.prototype.supports = _.merge(_.cloneDeep(AbstractDialect.prototype.supports), {
+  'VALUES ()': true,
+  'LIMIT ON UPDATE': true,
+  lock: true,
+  forShare: 'LOCK IN SHARE MODE',
+  settingIsolationLevelDuringTransaction: false,
+  inserts: {
+    ignoreDuplicates: ' IGNORE',
+    updateOnDuplicate: ' ON DUPLICATE KEY UPDATE'
+  },
+  index: {
+    collate: false,
+    length: true,
+    parser: true,
+    type: true,
+    using: 1
+  },
+  constraints: {
+    dropConstraint: false,
+    check: false
+  },
+  indexViaAlter: true,
+  indexHints: true,
+  NUMERIC: true,
+  GEOMETRY: true,
+  JSON: true,
+  REGEXP: true
+});
+
+ConnectionManager.prototype.defaultVersion = '5.6.0';
+MysqlDialect.prototype.Query = Query;
+MysqlDialect.prototype.QueryGenerator = QueryGenerator;
+MysqlDialect.prototype.DataTypes = DataTypes;
+MysqlDialect.prototype.name = 'mysql';
+MysqlDialect.prototype.TICK_CHAR = '`';
+MysqlDialect.prototype.TICK_CHAR_LEFT = MysqlDialect.prototype.TICK_CHAR;
+MysqlDialect.prototype.TICK_CHAR_RIGHT = MysqlDialect.prototype.TICK_CHAR;
+
+module.exports = MysqlDialect;