[EPIC] A(nother) list of performance improvement tickets

[alamb]

This has a list of performance improvements

• Improve performance of COUNT (distinct x) for dictionary columns #258
• Improved performance of RANGE preceding window functions #4904
• Slowdown in ClickBench Q36-Q37 between DataFusion 43.0.0 and 44.0.0 #14481
• Avoid extra copies in CoalesceBatchesExec to improve performance #7957
• Push Dynamic Join Predicates into Scan ("Sideways Information Passing", etc) #7955
• Run DataFusion benchmarks regularly and track performance history over time #5504
• Materialize Dictionaries in Group Keys #7647
• [EPIC] (Even More) Grouping / Group By / Aggregation Performance #7000
• Speed up hash partitioning #6822
• Perf: Dataframe with_column and with_column_renamed are slow #14563

See Previous list here:

• [EPIC] A list of performance improvement tickets #5546

[Omega359]

I know the dataframe api isn't used by many but it needs some love too: #14563

[alamb]

I know the dataframe api isn't used by many but it needs some love too: #14563

Added!