PouchDB upsert and putIfNotExists functions

Maps for emplace, TC39 proposal-upsert implementation

TypeScript definitions for pouchdb-upsert

add postgres upsert mutations to postgraphile

An upsert function for knex.

A plugin for Graphile to generate upsert mutations.

Fast LRU and TTL cache with upsert and promise option

PostGraphile v5 plugin for bulk insert, upsert, update, and delete mutations with ON CONFLICT handling

upsert function for typeorm

UPSERT (insert/update) extension to oracledb.

Transactionally upsert data into a postgres db using knex

sfdx plugin to read and upsert Metadata e.g. full Profiles via CRUD Metadata API

Say you have a TypeORM entity `Post` and you want to atomically upsert:

JSON object diff for upsert

PG-specific ON CONFLICT DO upsert and safe insert for Bookshelf.js

A bookshelf plugin for performing upserts

Zero-dependency TypeScript library for immutable array operations: filter nullables, upsert/toggle by key, deduplicate, enumerate, and more.

add postgres upsert mutations to postgraphile

Manage AWS service-linked roles in a better way.

HubSpot CRM server destination for walkerOS (@hubspot/api-client, custom events + contact upsert)