Repository Issue Activity (beta)

#24280 Pruning predicates repeat the `null_count != row_count` guard once per comparison

#22330 FFI: `FFI_ScalarUDF` silently drops producer overrides of defaulted trait methods

#18856 Make filter pushdown API more precise for their purpose

#17267 PROPOSAL Hash Join Spilling Proposal

#24265 [EPIC] Better support / documentation / tests for Streaming SQL Engines

#24506 Avoid casting unreachable child values in nested List casts

#23883 Preserve bitmap-backed `RowSelection` in `ParquetAccessPlan`

#24569 Proposal: DataFusion Cookbook

#24584 Splitting & Refactoring `NestedLoopJoinStream`

#18473 `datafusion-cli` fails to run ClickBench queries with 8GB of RAM

#24581 panic: 'StructArray::new' on zero-field (empty) structs in ScalarValue::compact and ScalarValue::new_default

#24518 Add projection support to `SortMergeJoinExec`

#24531 Derive a distinct count from primary key and unique constraints

#24286 [Follow-up #23696] Extract the initial push-decoder setup into a named struct

#24576 percentile_cont is wrong for `Decimal32` with lower interpolation precision

#18889 [EPIC] Support Decimal for User Defined Functions

#24543 Remove deprecated `Expr::Wildcard` variant

#22042 Align `median` and `percentile_cont` implementations (preserve Decimal in `percentile_cont`, alias `median`)

#24111 Epic: Cost-Based Dictionary Encoding

#24570 skip expensive ptr chase & comparission in ByteGroupValueBuilder

#7013 [Epic] Better / Improved Documentation, Tutorials and Examples

#24542 Remove assorted deprecated APIs that are past the API health policy

#7001 Improve RepartitionExec for better query performance

#19795 [EPIC] Improve query planning speed

#20495 Improve performance of query execution by not clone'ing SessionState