apache/wayang

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Apache Wayang is the first cross-platform data processing system.

Stars: 274
Forks: 140
Open beginner issues: 0
Indexed issues: 108
Avg merge: 5d 16h
Merged PRs (30d): 4

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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107 open issues indexed

support fit and transform Open

todo

apache/wayang#364 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
This is actually automatically done by the maven-release-plugin:prepare goal The... Open

todo

apache/wayang#373 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
deprecated class -> put input in a singleton list Open

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apache/wayang#374 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
check why this does not work because of the List<V> generic type Open

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apache/wayang#375 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Load ChannelInstances from executionState? (as of now there is no input into Pos... Open

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apache/wayang#383 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add Support for Apache Kafka Open

apache/wayang#386 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Define Scope for Apache Kafka Support Open

apache/wayang#387 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
other parameters Open

todo

apache/wayang#391 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add sample method Open

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apache/wayang#414 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Performance issue on TPCH comparing with sparksql Open

apache/wayang#423 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add all plugins Open

todo

apache/wayang#430 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Check hard coded output index 0 Open

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apache/wayang#431 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add all platforms Open

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apache/wayang#432 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Is this okay? Open

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apache/wayang#433 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add more estimator mixins Open

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apache/wayang#434 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
key should be given by "udf" Open

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apache/wayang#438 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
maybe would be better just leave the number as key Open

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apache/wayang#439 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
create reduce by Open

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apache/wayang#440 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Why managing previous and predecessors per separate? Open

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apache/wayang#442 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
this should iterate through previous REDESIGN Open

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apache/wayang#443 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
not necesary it it 0 Open

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apache/wayang#444 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
enrich this documentation Open

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apache/wayang#447 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
check for the case where the index matter Open

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apache/wayang#448 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Properly type this in the future Open

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apache/wayang#449 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Restructure the Kafka related operators Open

apache/wayang#469 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Move JavaCSVTableSource operator from sql-api to the Java platform Open

apache/wayang#482 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Update zio http to a released version Open

apache/wayang#498 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Minor edits in LICENSE/NOTICE files Open

apache/wayang#501 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Consider using Java Records Open

apache/wayang#514 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
what to write here Open

todo

apache/wayang#525 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
what to write here Open

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apache/wayang#526 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
what to write here Open

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apache/wayang#527 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ParquetSource should be tested Open

apache/wayang#530 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
JSON API is not concurrent Open

enhancement

apache/wayang#535 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
log4j issues Open

apache/wayang#536 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Record should take advantage of RecordType (if used) Open

apache/wayang#542 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Python API should auto-infer types Open

apache/wayang#550 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Join in Python is very slow Open

apache/wayang#569 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
sql-api SqlToStream type issue Open

bug

apache/wayang#575 · 2 comments · 0 reactions · 2 assignees · Indexed Sep 14, 2026
investigate/convert to Calcite's SchemaPlus way of reading calcite models instea... Open

todo

apache/wayang#586 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Suggested improvements to documentation Open

apache/wayang#613 · 3 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
add functionality required for this test load_collection & collect Open

todo

apache/wayang#629 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
fix this test by giving it proper test resources & fixing some type issues with ... Open

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apache/wayang#630 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
add functionality required for this test load_collection & collect Open

todo

apache/wayang#631 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
add functionality required for this test load_collection & collect Open

todo

apache/wayang#633 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
fields are never queried, why? Open

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apache/wayang#648 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Revise implementation to support multiple field projection, by names Open

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apache/wayang#649 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
a cleaner way to handle this Open

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apache/wayang#672 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
may need better support for CASTing in the future. See sqlCast() in this file. Open

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apache/wayang#676 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
this.size is currently always 0 Open

todo

apache/wayang#678 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

apache/wayang

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