Andy Grove

### What is the problem the feature request solves? I ran into this during the release. I will create a PR soon to fix this. ``` Running rat license checker...

Stop storing generated docs in git

1

### What is the problem the feature request solves? Rather than updating parts of `configs.md` in-place as part of the build, it would be better not to store the generated...

Add support for `MapFromEntries`

2

### What is the problem the feature request solves? See https://spark.apache.org/docs/latest/api/python/reference/pyspark.sql/api/pyspark.sql.functions.map_from_entries.html ### Describe the potential solution _No response_ ### Additional context _No response_

fuzz test failure: `corr` null vs Nan

4

### Describe the bug ## SQL ``` SELECT c3, c42, corr(c20, c6) FROM test0 GROUP BY c3,c42 ORDER BY c3, c42; ``` ### Spark Plan ``` AdaptiveSparkPlan isFinalPlan=true +- ==...

### What is the problem the feature request solves? Comet's Iceberg integration currently uses `native_comet` scan, which does not support complex types. We are still working on completing the current...

Add pluggable cost-based optimizer

1

### What is the problem the feature request solves? I would like to add a very simple CBO feature where Comet can call a user-provided class that implements a Comet...

Implement tests for casting complex types

1

### What is the problem the feature request solves? There are currently gaps in testing for casts involving complex types. This issue is for adding tests to cover all casts...

Add support for `size` expression

6

### What is the problem the feature request solves? Add support for Spark SQL `size` expression: https://spark.apache.org/docs/latest/api/sql/index.html#size From the documentation: > size(expr) - Returns the size of an array or...

Add support for Window expressions

3

### What is the problem the feature request solves? Dedicated window functions such as `rank`, `dense_rank`, `row_number`, `lag`, `lead`, `ntile`, `cume_dist`, `percent_rank`, and `nth_value` are not currently supported and will...

### What is the problem the feature request solves? If incompatible casts are not enabled, I see the following fallback message in `spark/src/test/resources/tpcds-plan-stability/approved-plans-v1_4-spark4_0/q92.native_iceberg_compat/extended.txt` when running the plan stability suite. The...