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RumbleDB

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rumble
Quick start: pip install jsoniq ⛈️ RumbleDB 2.1.0 "Cedrus Libani" 🌳 for Apache Spark | Run queries on your large-scale, messy datasets (...

Java · 246 stars
bigdata-exercises
Exercises for the Big Data lecture at ETH Zurich (Fall 2025)

Jupyter Notebook · 184 stars

Beginner friendly Everything

Open All

Extend static typing detection to navigation on instances of schema elemetn Open

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

RumbleDB/rumble#1828 · Opened Sep 17, 2026
Equi-joins not detected for conjunctions of equalities in predicates Open

Fix committed

Difficulty 4/5 3-5 days Newbie friendliness 45/100

RumbleDB/rumble#1537 · Opened Jun 23, 2026
Type inference not working on let variables Open

Bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

RumbleDB/rumble#1534 · 1 comment · Opened Jun 22, 2026
Map key comparison is not conformant Open

Fix committed

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

RumbleDB/rumble#1488 · Opened May 19, 2026
array:flatten call within the content of an element constructor Open

Fix committed Language feature

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

RumbleDB/rumble#1487 · Opened May 19, 2026
map:filter with map predicates Open

Fix committed Language feature

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

RumbleDB/rumble#1486 · Opened May 19, 2026
Let Delta track row IDs Open

Enhancement

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

RumbleDB/rumble#1350 · Opened Aug 8, 2025
Exit returning not considered in classification/type system Open

Bug

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

RumbleDB/rumble#1326 · Opened Jul 10, 2025
Bad error message when wildcard matches no files with xml-files Open

Bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

RumbleDB/rumble#1306 · Opened Mar 17, 2025
Error when reading parquet file Open

Bug

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

RumbleDB/rumble#1302 · Opened Feb 24, 2025
Circular references result in stackoverflow Open

Bug

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

RumbleDB/rumble#1301 · Opened Feb 24, 2025
Min does not support hexBinary [op/hexBinary-less-than.xml] hexBinary-lt-14 Open

Development Fix committed

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

RumbleDB/rumble#1300 · Opened Feb 24, 2025
NumberFormatException when doing lookup with a decimal Open

Bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

RumbleDB/rumble#1295 · Opened Feb 18, 2025
Check support for Java 21 Open

Fix committed

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

RumbleDB/rumble#1293 · 2 comments · Opened Feb 13, 2025
Implement missing XQuery features Open

Development In Progress

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

RumbleDB/rumble#1292 · Opened Feb 13, 2025
Min() does not support hexBinary Open

Bug Fix committed

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

RumbleDB/rumble#1289 · Opened Jan 23, 2025
Range operator only works in long range Open

Bug Refactoring

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

RumbleDB/rumble#1288 · Opened Jan 23, 2025
Whitespace issues Open

Bug In Progress

Difficulty 4/5 3-5 days Newbie friendliness 45/100

RumbleDB/rumble#1285 · Opened Jan 23, 2025
Missing type promotion in user defined functions with function inlining Open

Bug In Progress

RumbleDB/rumble#1284 · 1 assignee · Opened Jan 23, 2025
Make function arity missmatch exception more informative Open

Development Refactoring

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

RumbleDB/rumble#1283 · Opened Jan 8, 2025
Refactor CLI arguments Open

Development In Progress Refactoring

RumbleDB/rumble#1282 · 1 assignee · Opened Jan 8, 2025
Question: JSONiq to SQL Open

Question

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

RumbleDB/rumble#1259 · 3 comments · Opened Sep 3, 2024
materialization cap question Open

Question

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

RumbleDB/rumble#1244 · 1 comment · Opened Nov 1, 2023
Problem on Windows reading multiple files at once. Open

Bug

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

RumbleDB/rumble#1243 · Opened Oct 27, 2023
Memory Issue Open

Question

Difficulty 4/5 3-5 days Newbie friendliness 20/100

RumbleDB/rumble#1231 · 1 comment · Opened Apr 22, 2023
Use static types instead of context-generated types for native SQL queries Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

RumbleDB/rumble#1229 · Opened Apr 19, 2023
Whitespace in working directory causes crash Open

Bug Fix released

RumbleDB/rumble#1210 · 4 comments · 1 assignee · Opened Nov 11, 2022
Running Rumble with Docker on M1 doesn't seem to work Open

Bug

Difficulty 4/5 3-5 days Newbie friendliness 20/100

RumbleDB/rumble#1198 · 2 comments · Opened Jun 24, 2022
HTTP Parameters Open

Under discussion

Difficulty 3/5 1-2 days Newbie friendliness 52/100

RumbleDB/rumble#1196 · 2 comments · Opened Jun 1, 2022
Fall back to CLI parameters in server mode when unspecified as URL query parameters Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

RumbleDB/rumble#1183 · Opened Mar 16, 2022
Accumulate prologs in Jupyter notebook Open

Enhancement On hold

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

RumbleDB/rumble#1182 · Opened Mar 15, 2022
Change variable name from "$square" to "$double" or "$even" in exercise11 Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

RumbleDB/bigdata-exercises#6 · 1 reaction · Opened Dec 8, 2021
Offer: Install-Script for Linux Open

Enhancement Fix released

RumbleDB/rumble#1100 · 6 comments · 2 assignees · Opened Oct 25, 2021
docker-compose up FileNotFoundError for arch/manjaro Open

Difficulty 2/5 1-3 hours Newbie friendliness 30/100

RumbleDB/bigdata-exercises#3 · Opened Sep 28, 2021
SparkException: Failed to get broadcast_1_piece0 of broadcast_1 Open

Bug

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

RumbleDB/rumble#1022 · Opened May 25, 2021
Lazy load base64Binary and hexBinary Open

Question

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

RumbleDB/rumble#930 · 2 comments · Opened Mar 1, 2021
JSON Schema support Open

Enhancement Language feature

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

RumbleDB/rumble#927 · 3 comments · 1 reaction · Opened Feb 24, 2021
"An error has occurred: null" when importing module from shell Open

Bug Question

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

RumbleDB/rumble#918 · 2 comments · Opened Feb 11, 2021
Backtick as key in json cause error with DataFrames Open

Bug

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

RumbleDB/rumble#904 · Opened Jan 13, 2021
Value Comparison not according to XQuery 3.1 Open

Language feature

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

RumbleDB/rumble#887 · 1 comment · Opened Jan 4, 2021
dayTimeDuration, duration, yearMonthDuration missing constructors using each other Open

Bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

RumbleDB/rumble#882 · Opened Jan 2, 2021
not having issues when used twice in same query Open

Under discussion

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

RumbleDB/rumble#864 · 3 comments · Opened Dec 30, 2020
normalize-unicode is case sensitive Open

Bug

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

RumbleDB/rumble#863 · Opened Dec 30, 2020
max and min not working on arrays Open

Under discussion

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

RumbleDB/rumble#862 · 2 comments · Opened Dec 30, 2020
TODOs for JSON parsing Open

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

RumbleDB/rumble#848 · 1 comment · Opened Dec 18, 2020
Local collection of output Open

Enhancement

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

RumbleDB/rumble#811 · Opened Nov 18, 2020
Print stack trace instead of just source code line Open

Enhancement

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

RumbleDB/rumble#808 · Opened Nov 17, 2020
Configuration not available in Static Analysis phase from shell Open

Enhancement

Difficulty 1/5 Under an hour Newbie friendliness 45/100

RumbleDB/rumble#792 · Opened Oct 15, 2020
Reading local JSON Lines documents and local text documents Open

Enhancement

RumbleDB/rumble#772 · 1 assignee · Opened Sep 17, 2020
Return runtime statistics in HTTP response Open

Enhancement

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

RumbleDB/rumble#770 · Opened Sep 12, 2020

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