apache/datafusion-comet

Built with to help developers make their first open source contribution

25 unassigned beginner-friendly issues

`arrays_except` type mismatch

buggood first issue

#364615d ago2

AI analyzing...

`array_overlap` correctness issue

buggood first issuecorrectness

#364515d ago1

`array_union` correctness issue

buggood first issuecorrectness

#364415d ago2

[Incompatibility] Verify array_contains null handling matches Spark

enhancementgood first issuearray expressions

#31772mo ago

AI analyzing...

[Incompatibility] Document array_repeat negative count handling

documentationenhancementgood first issuearray expressions

[Incompatibility] Document array_distinct behavior differences: element ordering

documentationenhancementgood first issuearray expressions

[EPIC] Optimize performance for slow expressions

enhancementgood first issueperformance

#29862mo ago15

Improve performance of `translate` expression

enhancementgood first issueperformance

#29762mo ago1

Improve performance of `reverse` expression

enhancementgood first issueperformance

#29752mo ago11

Improve performance of `repeat` expression

enhancementgood first issueperformance

#29742mo ago1

Improve performance of `startsWith` and `endsWith` expressions

enhancementgood first issueperformance

#29732mo ago

AI analyzing...

Add support for `RegExpExtract` and `RegExpExtractAll`

enhancementgood first issueexpression

#27084mo ago2

Add support for `MapFromEntries`

enhancementgood first issueexpression

#27064mo ago2

chore: Fix Scala code warnings

enhancementgood first issuehelp wantedbuild

[EPIC] Migrate to functions in `datafusion-spark` crate

enhancementgood first issuehelp wantedEPIC

Use `datafusion-spark` version of `date_add` and `date_sub`

enhancementgood first issue

#20837mo ago1

AI analyzing...

Review experiemental status of array functions

enhancementgood first issue

#19029mo ago

AI analyzing...

[EPIC] Implement expressions as ScalarUDFImpl

enhancementgood first issuehelp wanted

#18199mo ago3

Write documentation for working with Comet's spark-4.0 profile in IntelliJ

enhancementgood first issuespark 4

#174510mo ago1

Add dictionary support to unhex and test dictionary and scalar cases

buggood first issue

#47722mo ago2

AI analyzing...

Add tests for casting between timestamp types

enhancementgood first issuehelp wanted

#46722mo ago1

Cast string to timestamp remaining work

enhancementgood first issuehelp wantedspark 4

Implement Spark-compatible CAST from String to Decimal

enhancementgood first issuehelp wanted

#32523mo ago9

[EPIC] Fully support ANSI mode

enhancementgood first issuehelp wantedspark 4

Different semantics of casting from int64 to timestamp between Comet and Spark

enhancementgood first issuehelp wanted

#14625mo ago7

AI analyzing...

AI analyzing...

#31762mo ago2

AI analyzing...

#31742mo ago2

AI analyzing...

AI analyzing...

AI analyzing...

AI analyzing...

AI analyzing...

AI analyzing...

AI analyzing...

#22556mo ago2

AI analyzing...

#20847mo ago3

AI analyzing...

AI analyzing...

AI analyzing...

AI analyzing...

#37622mo ago5

AI analyzing...

AI analyzing...

#31323mo ago13

AI analyzing...

AI analyzing...