Project Mentat - Query language

Project Mentat is a query language created in 2016 by Richard Newman.

#1146on PLDB

10Years Old

Download source code:

git clone https://github.com/qpdb/mentat

Project Mentat is a persistent, embedded knowledge base. It draws heavily on DataScript and Datomic. This project was started by Mozilla, but is no longer being developed or actively maintained by them.

Tags: queryLanguage
Project Mentat is developed on GitHub and has 52 stars
Early development of Project Mentat happened in Mozilla
Project Mentat is written in HTML, Rust, JavaScript, Java, TOML, XML, Swift, Markdown, YAML, CSS, JSON, Gradle, Bourne shell, Python, Dockerfile, SVG, Kotlin, Make
See also: (3 related languages) datascript, Datomic, SQLite
Read more about Project Mentat on the web: 1.

Example from the web:

{:db/id          :person/email
 :db/valueType   :db.type/string
 :db/cardinality :db.cardinality/many     ; People can have multiple email addresses.
 :db/unique      :db.unique/identity      ; For our purposes, each email identifies one person.
 :db/index       true}                    ; We want fast lookups by email.
{:db/id          :person/friend
 :db/valueType   :db.type/ref
 :db/cardinality :db.cardinality/many}    ; People can have many friends.

Language features

Feature	Supported	Example	Token
Comments	✓	; A comment
Line Comments	✓	; A comment	;
Semantic Indentation	X