marsdb

MarsDB

MarsDB is a Node.js/NW.js/Electron persistent, promise base DB with MongoDB features and very close interface. It's originally base on LinvoDB3, which based on NeDB. Writen on ES6 and highly extendable.

Features:

• Promise based
• Carefully written on ES6
• MongoDB-like query language
• Flexible request pipeline – map, reduce, join, etc.
• Object joins – simplest client-side joins ever
• Persistence with interface, compiatble with LevelUP
• NW.js/Electron friendly - JS-only backend is Medea
• Performant - steady performance unaffected by DB size - queries are always indexed
• Auto-indexing
• Live queries - make the query, get constantly up-to-date results
• Efficient Map / Reduce / Limit

Not supported query edge cases

Not all edge cases supported. See test/IndexMatcher.test.js for more info

• $gt()e and $lt(e) object argumen. Only number argument works correctly
• RegExp in document is not match anything
• RegExp in selector in array not works (ex. {a: ['a', /b/i]})
• Some null and undefined checks
• Reguesting for documents with arrays with mixed types (ex. {a: [1, {a:2}, null]})

Status

Work in progress

License

See License