Issues

• Preserve ordering through to_timestamp_micros and to_unixtime

  enhancement
  Feature

  apache/datafusion#26108 · Filter by author haohuaijin opened on Oct 7, 2026
  1

  

• JoinSelection should skip HashJoinExec nodes that already carry a dynamic filter instead of failing in swap_inputs

  bug
  apache/datafusion#26106 · Filter by author zhuqi-lucas opened on Oct 7, 2026
  

• Parquet schema inference marks a column NOT NULL when it is missing from some files, making the table unreadable

  bug
  apache/datafusion#26103 · Filter by author zhuqi-lucas opened on Oct 7, 2026
  

• Tracked .envrc from #26005 silently overwrites contributors' local direnv config

  apache/datafusion#26101 · Filter by author kosiew opened on Oct 7, 2026

• Account for retained sort-key capacity

  apache/datafusion#26099 · Filter by author kosiew opened on Oct 7, 2026

• feat: Treat all NaNs as the same value (-NaN = NaN)

  enhancement
  Feature

  apache/datafusion#26091 · Filter by author mkleen opened on Oct 6, 2026
  2

  

• Build multi-column null-aware NOT IN on the subquery side (multi-key null-aware RightAnti)

  enhancement
  apache/datafusion#26089 · Filter by author viirya opened on Oct 6, 2026
  1

• Narrow multi-column NOT IN UNKNOWN checks by treating NOT NULL tuple elements as scope keys

  enhancement
  apache/datafusion#26088 · Filter by author viirya opened on Oct 6, 2026
  1

• Decide scan parallelism from the estimated row count, not from statistics precision

  enhancement
  apache/datafusion#26087 · Filter by author zhuqi-lucas opened on Oct 6, 2026
  

• Proposal: Pluggable SQL statement parsing, planning, and DDL execution

  enhancement
  Feature

  apache/datafusion#26084 · Filter by author maver1ck opened on Oct 6, 2026
  1

• Wrong results from IN when a list item is a CASE that reads a column

  apache/datafusion#26082 · Filter by author ranflarion opened on Oct 6, 2026

• array_min / array_max fail on a zero-row batch for non-primitive element types

  apache/datafusion#26072 · Filter by author linuxpi opened on Oct 6, 2026

• BaselineMetrics output_bytes converts every column to ArrayData for every batch

  apache/datafusion#26071 · Filter by author alexy opened on Oct 6, 2026
  1

• Slow physical planning with many typed NULL struct literals: ScalarValue equality converts nested arrays to ArrayData

  apache/datafusion#26065 · Filter by author alexy opened on Oct 5, 2026

• Consider removing the take action / open ticket assignment

  apache/datafusion#26063 · Filter by author alamb opened on Oct 5, 2026
  3

• Add a "securing DataFusion" documentation

  apache/datafusion#26061 · Filter by author alamb opened on Oct 5, 2026
  3

  

• Wrong results: eliminate_cross_join drops an equi-join key that spans two cross-joined relations

  apache/datafusion#26058 · Filter by author alexy opened on Oct 5, 2026

• Remove the deprecated bundled statistics providers

  apache/datafusion#26055 · Filter by author asolimando opened on Oct 5, 2026
  4

  

• Recursive CTE: MIN/MAX aggregate dynamic filter survives reset_state, later iterations return wrong results

  apache/datafusion#26054 · Filter by author alexy opened on Oct 5, 2026

• Estimate distinct counts after a filter with the survival formula in FilterExec

  apache/datafusion#26052 · Filter by author asolimando opened on Oct 5, 2026
  1

  

• CoalescePartitionsExec::cardinality_effect returns Equal when fetch is set

  apache/datafusion#26050 · Filter by author asolimando opened on Oct 5, 2026

• Wrong ORDER BY results after an outer join when the nullable side equates a column to coalesce/CASE

  bug
  apache/datafusion#26036 · Filter by author andygrove opened on Oct 4, 2026

• Substrait roundtrip loses pushed-down TableScan offsets and limits

  apache/datafusion#26034 · Filter by author viirya opened on Oct 4, 2026

• Correlated IN subquery fails with "Projections require unique expression names" when its column is cast

  bug
  apache/datafusion#26033 · Filter by author comphead opened on Oct 4, 2026
  1

  

• Wrong results: a window function in an IN subquery sees every row when the correlated filter repeats the IN predicate

  bug
  apache/datafusion#26032 · Filter by author comphead opened on Oct 4, 2026