Sequelize v4.0.0-1 发布了，Sequelize.js 提供对 MySQL，MariaDB，SQLite 和PostgreSQL 数据库的简单访问，通过映射数据库条目到对象，或者对象到数据库条目。简而言之，就是 ORM（Object-Relational-Mapper）。Sequelize.js 完全是使用 JavaScript 编写，适用于 Node.js 的环境。
v4.0.0-1 更新内容：
[CHANGED] Removed modelManager parameter from Model.init() #6437
[FIXED] Made Model.init() behave like sequelize.define() (hooks are called and options have proper defaults) #6437
[ADDED] restartIdentity option for truncate in postgres #5356
[INTERNAL] Migrated to node-mysql2 for prepared statements #6354
[ADDED] SQLCipher support via the SQLite connection manager
[CHANGED] Range type bounds now default to postgres default [) (inclusive, exclusive) #5990
[ADDED] Support for range operators #5990
[FIXED] Broken transactions in MySQL #3568
[FIXED] Model.count don't include attributes #5057
[INTERNALS] Updated inflection dependency and pinned version and expose all used inflectionmethods on Utils
[ADDED] Sequelize.useInflection method
[FIXED] hasOne throws error on update with a primary key #6069
[FIXED] Model.count gives SQL syntax error when using distinct #4840
[ADDED] Model.count now allow specifying column to count on, use options.col #4442
[ADDED] DEBUG support #2852
[ADDED] Intensive connection logging #851
[FIXED] Only belongsTo uses as to construct foreign key - revert of #5957 introduced in 4.0.0-0
[CHANGED] Sequelize.Promise is now an independent copy of bluebird library #5974
[ADDED] before/after Save hook #2702
[ADDED] Remove hooks by reference #6155
[ADDED] before/after Upsert hook #3965
[FIXED] Modifying options in beforeFind throws error #5675
[REMOVED] classMethods and instanceMethods #5869
[CHANGED] Sequelize.Validator is now an independent copy of validator library
[FIXED] Don't patch validator library globally #6196
[CHANGED] ignore for create was renamed to ignoreDuplicates #6138
[FIXED] Index names not quoted properly in removeIndex #5888
[FIXED] Int4 range not properly parsed #5747
[FIXED] upsert does not fail anymore on not null validations #5711
[FIXED] Don't remove includes from count queries and unify findAndCount and count queries. #6123
[FIXED] Model.count with options.col and options.include works properly now
[FIXED] bulkCreate don't map fields to attributes properly #4476#3908#4103#3764#3789#4600
[FIXED] sync don't handle global options.logging properly #5788
[FIXED] attribute:[] throw errors with include or through #5078 #4222 #5958 #5590 #6139#4866 #6242
[SECURITY] GEOMETRY and GEOGRAPHY SQL injection attacks #6194
[FIXED] DECIMAL now supports UNSIGNED / ZEROFILL (MySQL) #2038
[FIXED] Generate correct SQL of nested include when quoteIdentifiers is false. (Postgres) #6351
[FIXED] Generate correct SQL for JSON attributes with quote. #6406
[FIXED] Nested query return correct result when quoteIdentifiers is false. (Postgres) #6363
[FIXED] Fixed an issue where changing multiple ENUM columns in PostgreSQL could break. #6203
[FIXED] Add parent, original and sql properties to UniqueConstraintError
v4.0.0-1 下载：
https://github.com/sequelize/sequelize/archive/v4.0.0-1.tar.gz
v3.24.1 更新内容;
[FIXED] Add parent, original and sql properties to UniqueConstraintError
v3.24.1 下载：
https://github.com/sequelize/sequelize/archive/v3.24.1.tar.gz
来自:开源中国社区
