sequelize/sequelize

View on GitHub

Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB, DB2 and DB2 for IBM i.

Stars: 30.4k
Forks: 4.3k
Open beginner issues: 2
Indexed issues: 928
Avg merge: 1d 6h
Merged PRs (30d): 68

Dominant language: TypeScript
License: MIT
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

928 open issues indexed

Feature Request: support 'schema' for MySQL Open

dialect: mysql v6

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sequelize/sequelize#17302 · 1 comment · Opened May 2, 2024
Filter As on Properties of Associated Bs But Still Return all Bs Associated to the Resulting A's Open

pending-approval

Difficulty 5/5 Over a week Newbie friendliness 35/100

sequelize/sequelize#17301 · Opened May 2, 2024
Introducing @EncryptedAttribute() decorator Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

sequelize/sequelize#17299 · 3 comments · 4 reactions · Opened Apr 30, 2024
Cyclic sequelize sync doesn't handle several cases in the non-cyclic version Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sequelize/sequelize#17297 · 1 comment · 3 reactions · Opened Apr 28, 2024
Unable to find dialect at Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 30/100

sequelize/sequelize#17295 · 2 comments · 1 reaction · Opened Apr 26, 2024
PostgreSQL. Error in getQueryInterface().describeTable() with column comments and schemas Open

pending-approval

Difficulty 3/5 1-2 days Newbie friendliness 45/100

sequelize/sequelize#17288 · 13 reactions · Opened Apr 18, 2024
Creating multiple references in databases for same foreign key Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sequelize/sequelize#17255 · 7 comments · Opened Apr 6, 2024
bulkCreate with updateOnDuplicate updates the record (updatedAt) even if it is not changed Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

sequelize/sequelize#17247 · 4 comments · 1 reaction · Opened Apr 4, 2024
Bug: the type of the `beforeBulkDestroy` hander's `options` attribute is `BulkCreateOptions` instead of `BulkDestroyOptions` Open

pending-approval

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

sequelize/sequelize#17246 · Opened Apr 3, 2024
Drop subclasses of `SequelizeConnectionError` Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

sequelize/sequelize#17240 · 1 reaction · Opened Apr 2, 2024
Support Cloudflare D1 Connections Open

dialect: new dialect: sqlite

Difficulty 5/5 Over a week Newbie friendliness 30/100

sequelize/sequelize#17236 · 4 comments · 17 reactions · Opened Apr 2, 2024
findOrCreate - Transaction cannot be committed because it has been finished with state: rollback Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 28/100

sequelize/sequelize#17214 · 2 comments · 1 reaction · Opened Mar 27, 2024
Misc Internal Improvements Open

sequelize/sequelize#17210 · 5 comments · 1 assignee · Opened Mar 26, 2024
Through model casing has a different name depending on eager or lazy loading Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

sequelize/sequelize#17201 · 1 comment · Opened Mar 25, 2024
Lower and trim flags to be added in models field options Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

sequelize/sequelize#17193 · 1 comment · 1 reaction · Opened Mar 23, 2024
Compatibility issue with MySQL2 v3.9 Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

sequelize/sequelize#17141 · 21 comments · 9 reactions · Opened Mar 4, 2024
Problems referencing associated query conditions that are not primary key fields Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sequelize/sequelize#17129 · Opened Feb 28, 2024
Syntax error when trying to add enum column with comment that ends with bracket ")". Unterminated quoted string. Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

sequelize/sequelize#17118 · 2 comments · 2 reactions · Opened Feb 20, 2024
Include doesn't seem to work with TediousJS and MSSQL Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sequelize/sequelize#17109 · 6 comments · Opened Feb 19, 2024
Incorrect handling of pg table aliases in JOIN ON clauses when using non-default schema in 7.0.0-alpha.37 Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

sequelize/sequelize#17091 · 2 comments · 3 reactions · Opened Feb 15, 2024
SQL parser issue for a specific combination of replacements, "?" symbol matching problem. Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

sequelize/sequelize#17067 · 3 comments · 1 reaction · Opened Feb 8, 2024
sequelize.sync() does not create schemas Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

sequelize/sequelize#17041 · 3 comments · Opened Feb 4, 2024
Regression between 6.35.1 and 6.35.2 - query stopped working. Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sequelize/sequelize#17005 · 5 comments · 1 reaction · Opened Jan 28, 2024
Special method/mixin "add" for BelongsToMany association overrides record instead of creating a new one Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sequelize/sequelize#16984 · 2 reactions · Opened Jan 23, 2024
UpdateOptions is missing plain property Open

pending-approval

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

sequelize/sequelize#16969 · 1 comment · Opened Jan 16, 2024
onUpdate option in association not working Open

pending-approval v6

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sequelize/sequelize#16963 · Opened Jan 15, 2024
Increment or Decrement value using Sequelize upsert() does not work in postgre Open

pending-approval

Difficulty 3/5 1-2 days Newbie friendliness 30/100

sequelize/sequelize#16929 · 1 comment · Opened Jan 5, 2024
settings raw as true in sqlite returns JSON as String Open

dialect: sqlite pending-approval

Difficulty 3/5 1-2 days Newbie friendliness 35/100

sequelize/sequelize#16900 · 2 comments · Opened Dec 24, 2023
v7 - hooks access to model + typescript definition Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

sequelize/sequelize#16851 · 2 comments · Opened Dec 8, 2023
The utf8mb4 is not working Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sequelize/sequelize#16827 · 26 comments · Opened Dec 1, 2023
Automatic Inner Join Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 30/100

sequelize/sequelize#16801 · Opened Nov 21, 2023
Inconsistent and buggy default value parsing by `queryInterface#describeTable` Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

sequelize/sequelize#16787 · 12 comments · 5 reactions · Opened Nov 20, 2023
Getting error when sync database using alter: true || Cannot read property 'match' of undefined Open

pending-approval

Difficulty 3/5 1-2 days Newbie friendliness 25/100

sequelize/sequelize#16767 · 2 reactions · Opened Nov 16, 2023
Model findCreateFind() create id in a key called "null". Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sequelize/sequelize#16764 · 1 comment · Opened Nov 15, 2023
BelongsToMany stops working after closing a connection and redefining with a new Sequelize instance: ConnectionManager.getConnection() was called after the connection manager was closed Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sequelize/sequelize#16755 · 2 comments · Opened Nov 13, 2023
v7: Hooks for cascade deletes not working Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sequelize/sequelize#16745 · 2 comments · 3 reactions · Opened Nov 8, 2023
Self referencing with through table not working correctly. Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sequelize/sequelize#16719 · 1 comment · Opened Nov 3, 2023
DB "memory leaks" during inserts by "CREATE OR REPLACE FUNCTION" Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sequelize/sequelize#16693 · Opened Oct 26, 2023
Make afterSync hook know if new table was created or not Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sequelize/sequelize#16692 · Opened Oct 26, 2023
Sequelize considering camelCase'd foreign keys as fields different than snake_case'd on database (even with 'underscored: true' option) Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 28/100

sequelize/sequelize#16689 · Opened Oct 25, 2023
The close() method does not automatically exit the process while using dialect mysql Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sequelize/sequelize#16685 · Opened Oct 25, 2023
timezone error Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sequelize/sequelize#16681 · 1 reaction · Opened Oct 23, 2023
findByPk(null, { rejectOnEmpty}) doesn't throw and returns null Open

pending-approval

Difficulty 3/5 1-2 days Newbie friendliness 42/100

sequelize/sequelize#16675 · Opened Oct 20, 2023
Retrieving all data from a junction table without specifying it on the model query Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sequelize/sequelize#16655 · Opened Oct 18, 2023
BeforeBulkUpdate hook for increment/decrement Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

sequelize/sequelize#16637 · Opened Oct 15, 2023
Database sharding Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

sequelize/sequelize#16629 · 2 comments · 15 reactions · Opened Oct 13, 2023
Whether the transaction operates normally when promise.all is used Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sequelize/sequelize#16603 · 4 comments · 1 reaction · Opened Oct 5, 2023
Sequelize v6.x.x model definition by extending Model class with TypeScript v5.x.x issue Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sequelize/sequelize#16594 · 1 comment · 17 reactions · Opened Oct 2, 2023
Conflicting `onDelete` and `onUpdate` in associations Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sequelize/sequelize#16526 · 1 reaction · Opened Sep 21, 2023
Sequelize Fails to Create Foreign Key Constraints for Join Table Open

pending-approval

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sequelize/sequelize#16517 · 3 reactions · Opened Sep 16, 2023

sequelize/sequelize

Get new issues in your inbox