pyDatalog
datascript
| pyDatalog | datascript | |
|---|---|---|
| 1 | 25 | |
| 266 | 5,359 | |
| - | - | |
| 10.0 | 7.7 | |
| over 1 year ago | 11 days ago | |
| Python | Clojure | |
| GNU Lesser General Public License v3.0 only | Eclipse Public License 1.0 |
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pyDatalog
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Introduction to Datalog
https://github.com/pcarbonn/pyDatalog ; and it is apparently superseded by IDP-Z3: https://gitlab.com/krr/IDP-Z3/
From https://twitter.com/westurner/status/1000516851984723968 :
> A feature comparison of SQL w/ EAV, SPARQL/SPARUL, Gremlin, GraphQL, and Datalog would be a useful resource for evaluating graph query languages.
> I'd probably use unstructured text search to identify the relevant resources first.
datascript
- Datascript: Immutable database and Datalog query engine
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Datalog in 100 lines of JavaScript (2022)
Hi pests, I don't think the criticism in the comments gives a full picture.
I wrote about a particular flavor of datalog, in common use today. [1] [2]. The earliest representation I know, which matches the syntax of my essay, was in SICP [3]
There's another, more academic form of datalog, which looks a lot more like prolog. Both have lots of similarities: both systems have a set of facts and rules. Both systems have can take a partially filled fact or rule, and find all matching facts. The more academic flavors of Datalog are useful for general logic, and particularly powerful for recursive questions. The variant I showed is more tailed for database queries.
[1] https://github.com/tonsky/datascript
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XTDB on Mobile Possible?
There is also datascript as a similar option.
- FoundationDB: A Distributed Key-Value Store
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wotbrew/relic: FRP for Clojure(Script)
What's the use case for relic? Sounds similar to https://github.com/tonsky/datascript ?
- Introduction to Datalog
- Clojure Turns 15 panel discussion video
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Show HN: Cozo – new Graph DB with Datalog, embedded like SQLite, written in Rust
This look nice !
Datascript seems to be another Datalog engine (in memory only)
https://github.com/tonsky/datascript
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Ergonomic inline SQL as a Python library
Inspired by past work: LINQ, inline-python, crepe, DataScript, Riffle.
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Working with large maps
An in-memory database like Datascript may be worth looking into. Otherwise you could take an indexing approach: put all the data into one big map indexed by some unique key, and have a bunch of supplementary indexes that are updated on insertion.
What are some alternatives?
souffle - Soufflé is a variant of Datalog for tool designers crafting analyses in Horn clauses. Soufflé synthesizes a native parallel C++ program from a logic specification.
asami - A graph store for Clojure and ClojureScript
IDP-Z3
datahike - A durable Datalog implementation adaptable for distribution.
logica - Logica is a logic programming language that compiles to SQL. It runs on Google BigQuery, PostgreSQL and SQLite.
datalevin - A simple, fast and versatile Datalog database
xtdb - An immutable database for application development and time-travel data compliance, with SQL and XTQL. Developed by @juxt
10000-markdown-files - 10,000 markdown files. Useful for stress testing note-taking tools.
Apache AGE - Graph database optimized for fast analysis and real-time data processing. It is provided as an extension to PostgreSQL. [Moved to: https://github.com/apache/age]
Neo4j - Graphs for Everyone
pathom3 - A library for navigating data.