tonsky/datascript

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Immutable database and Datalog query engine for Clojure, ClojureScript and JS

Stars: 5.8k
Forks: 318
Open beginner issues: 0
Indexed issues: 65

Dominant language: Clojure
License: EPL-1.0
Last GitHub push: Aug 15, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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65 issues indexed so far

Get rid of externs requirement for pure CLJS builds Open

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

tonsky/datascript#498 · 1 comment · Opened Sep 1, 2026
Datascript MCP Server Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

tonsky/datascript#489 · Opened Jul 31, 2025
Stack overflow when transacting :db.type/tupleAttrs with a :db.type/ref attr through :db.fn/call Open

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

tonsky/datascript#483 · 2 comments · Opened Jan 23, 2025
Indexes on vectors return surprising results Open

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

tonsky/datascript#470 · 1 comment · Opened May 8, 2024
Rules - Required bindings doesn't evaluate correctly Open

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

tonsky/datascript#441 · 1 comment · 3 reactions · Opened Dec 15, 2022
Improve Skypack "Package Score" for better devX Open

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

tonsky/datascript#434 · 2 comments · Opened Aug 15, 2022
Multiple occurrences of query vars in pattern and aggregates Open

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

tonsky/datascript#428 · 2 comments · Opened Feb 25, 2022
Allow calling `clojure.core` functions in queries Open

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

tonsky/datascript#424 · 3 comments · Opened Feb 7, 2022
Integrated Datalog Admin Console? Open

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

tonsky/datascript#394 · Opened May 19, 2021
Transactable entities Open

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

tonsky/datascript#389 · 11 comments · Opened Apr 1, 2021
Nested collection comparison Open

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

tonsky/datascript#383 · 4 comments · Opened Jan 19, 2021
Transaction / Indexing bug Open

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

tonsky/datascript#376 · 2 comments · Opened Dec 15, 2020
javascript query building Open

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

tonsky/datascript#375 · 2 comments · Opened Dec 15, 2020
use from typescript Open

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

tonsky/datascript#374 · 1 comment · Opened Dec 15, 2020
Use `datascript.transit` import data Error in production Open

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

tonsky/datascript#367 · 2 comments · Opened Oct 6, 2020
With empty component, one can create a reference to non-existing entity Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

tonsky/datascript#357 · Opened Jul 9, 2020
VAET index Open

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

tonsky/datascript#351 · 10 comments · Opened Jun 2, 2020
rules aren't correctly unifying Open

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

tonsky/datascript#336 · 5 comments · Opened Jan 31, 2020
parameterized query with lookup ref returns different result to inlined lookup ref Open

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

tonsky/datascript#335 · 6 comments · Opened Jan 31, 2020
Large bundle size? Open

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

tonsky/datascript#317 · 1 comment · Opened Sep 27, 2019
Function Input not Evaluated in Query Rules Open

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

tonsky/datascript#311 · 4 comments · Opened Aug 5, 2019
Warn about unused vars in query Open

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

tonsky/datascript#307 · 2 reactions · Opened Jun 17, 2019
How to accomplish a (full) outer join? Open

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

tonsky/datascript#278 · 5 comments · Opened Nov 26, 2018
Infinite loop in rule solver Open

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

tonsky/datascript#277 · 1 comment · Opened Nov 5, 2018
js entity api returns clj object Open

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

tonsky/datascript#267 · 2 comments · Opened Jul 4, 2018
Storing raw JS objects and querying according to pointer equality `===` Open

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

tonsky/datascript#248 · 20 comments · Opened Jan 24, 2018
Static site for trying out DataScript Open

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

tonsky/datascript#247 · 4 comments · Opened Jan 23, 2018
Self-hosted ClojureScript compatibility Open

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

tonsky/datascript#244 · 11 comments · 4 reactions · Opened Dec 18, 2017
Multiple occurances of variable in one clause Open

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

tonsky/datascript#240 · 1 comment · Opened Nov 14, 2017
Rules error Open

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

tonsky/datascript#239 · 2 comments · Opened Nov 4, 2017
Optimize entities Open

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

tonsky/datascript#227 · 2 comments · Opened Jun 7, 2017
Implement ICounted for Iter Open

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

tonsky/datascript#226 · 1 comment · Opened Jun 7, 2017
Add API for getting single Datom from btset Open

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

tonsky/datascript#225 · 1 comment · Opened Jun 7, 2017
Reflexive tuples block certain rule-driven inferences Open

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

tonsky/datascript#224 · 2 comments · Opened May 30, 2017
Datoms that differ only by :added key are considered equal Open

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

tonsky/datascript#220 · 2 comments · Opened May 1, 2017
Querying nested data structures with datascript Open

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

tonsky/datascript#217 · 7 comments · Opened Apr 17, 2017
"_" as a wildcard for attribute produces false positives on large dataset. Open

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

tonsky/datascript#215 · Opened Apr 7, 2017
Listener notifications might arrive out-of-order Open

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

tonsky/datascript#207 · Opened Feb 1, 2017
Nested upserts to the same entity by identity fails Open

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

tonsky/datascript#202 · 3 comments · Opened Dec 25, 2016
Allow non-numbers as entity ids Open

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

tonsky/datascript#200 · 10 comments · Opened Dec 21, 2016
Does it possible to export/dump all db data as JSON? Open

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

tonsky/datascript#196 · 3 comments · Opened Dec 12, 2016
Allow skipping schema validation Open

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

tonsky/datascript#193 · 2 reactions · Opened Dec 9, 2016
Asynchronous Sources in DataScript Open

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

tonsky/datascript#190 · 4 comments · 4 reactions · Opened Nov 27, 2016
Transacting a refid not corresponding with any datom eids should fail? Open

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

tonsky/datascript#189 · Opened Nov 16, 2016
Pulling `:db/id` for a missing id gives different results than Datomic Open

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

tonsky/datascript#187 · 1 reaction · Opened Nov 11, 2016
Schema of the db instance is not accessible via javascript API? Open

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

tonsky/datascript#183 · 1 comment · Opened Oct 14, 2016
Reverse Lookups break transactions of deeply nested maps Open

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

tonsky/datascript#182 · 2 comments · Opened Oct 1, 2016
Editable schema Open

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

tonsky/datascript#174 · 9 comments · 2 reactions · Opened Aug 19, 2016
public ref? and multival? Open

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

tonsky/datascript#170 · Opened Jul 26, 2016
creating entity IDs from squuids Open

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

tonsky/datascript#168 · 6 comments · Opened Jul 23, 2016

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