Andrew Lamb

Consolidate GroupByHash implementations `row_hash.rs` and `hash.rs` (remove duplication)

9

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** As part of the transition to the faster "row format" (#1861 )...

Fix a minor typo in 5-stdlib-containers.md

1

I think this is a minor typo -- I apologize if I am mistaken. Thank you for writing this document -- it is very helpful to me while learning Rust.

Ballista standalone mode tests fail: `context::tests::test_task_stuck_when_referenced_task_failed`

3

**Describe the bug** The following ballista test is failing (not sure when it started failing given the tests weren't run in CI until apache/arrow-datafusion#1839 ) ``` ---- context::tests::test_task_stuck_when_referenced_task_failed stdout ----...

Add a quickstart/cookbook with annotated examples

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# Rationale: Get new users of Snafu going as quickly as possible using the library, by showing the common patterns by example. I believe that once people see the power...

Project pypi account management

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## Question Who are the maintainers of this repository and who should be the owners of the associated pypi accounts? As of now, the list of people who own the...

`array[]` / `make_array()` will error if the types can not be coerced to a common type

9

**Describe the bug** `make_array()` will error if the types can not be coerced to a common type, as in postgres and spark **To Reproduce** Run this query (see `query_array_scalar_coerce` test...

Consolidate optimizer passes in optimizer module for better testing

1

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** Thinking about the comments from @avantgardnerio on https://github.com/apache/arrow-datafusion/pull/3482/files#r972435250 if/when we want to...

Draft as it builds on https://github.com/apache/arrow-datafusion/pull/3536 and doesn't pass all tests # Which issue does this PR close? Re https://github.com/apache/arrow-datafusion/issues/3531 # Rationale for this change While working on https://github.com/apache/arrow-datafusion/issues/3531 I...

Remove redundant`is_numeric` and other checks for DataType

5

`arrow-rs` has some functions to check data type, and the logic is also in datafusion, for example, https://docs.rs/arrow/7.0.0/arrow/datatypes/enum.DataType.html#method.is_numeric We should reduce the redundancy in DataFusion to make the codebase clear....

Draft as it builds on https://github.com/apache/arrow-datafusion/pull/3535 # Which issue does this PR close? Closes https://github.com/apache/arrow-datafusion/issues/3531 # Rationale for this change See https://github.com/apache/arrow-datafusion/issues/3531 # What changes are included in this PR?...