sequelize
Version:
Sequelize is a promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, Microsoft SQL Server, Amazon Redshift and Snowflake’s Data Cloud. It features solid transaction support, relations, eager and lazy loading, read replication and more.
58 lines (57 loc) • 1.82 kB
JavaScript
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").sqlite;
const { SQLiteQueryInterface } = require("./query-interface");
class SqliteDialect extends AbstractDialect {
constructor(sequelize) {
super();
this.sequelize = sequelize;
this.connectionManager = new ConnectionManager(this, sequelize);
this.queryGenerator = new QueryGenerator({
_dialect: this,
sequelize
});
this.queryInterface = new SQLiteQueryInterface(sequelize, this.queryGenerator);
}
}
SqliteDialect.prototype.supports = _.merge(_.cloneDeep(AbstractDialect.prototype.supports), {
DEFAULT: false,
"DEFAULT VALUES": true,
"UNION ALL": false,
"RIGHT JOIN": false,
inserts: {
ignoreDuplicates: " OR IGNORE",
updateOnDuplicate: " ON CONFLICT DO UPDATE SET",
conflictFields: true,
onConflictWhere: true
},
index: {
using: false,
where: true,
functionBased: true
},
transactionOptions: {
type: true
},
constraints: {
addConstraint: false,
dropConstraint: false
},
groupedLimit: false,
JSON: true
});
SqliteDialect.prototype.defaultVersion = "3.8.0";
SqliteDialect.prototype.Query = Query;
SqliteDialect.prototype.DataTypes = DataTypes;
SqliteDialect.prototype.name = "sqlite";
SqliteDialect.prototype.TICK_CHAR = "`";
SqliteDialect.prototype.TICK_CHAR_LEFT = SqliteDialect.prototype.TICK_CHAR;
SqliteDialect.prototype.TICK_CHAR_RIGHT = SqliteDialect.prototype.TICK_CHAR;
module.exports = SqliteDialect;
module.exports.SqliteDialect = SqliteDialect;
module.exports.default = SqliteDialect;
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