Issues

• Replace the Bool commutativity flag on binary operators with a small type

  DataHaskell/dataframe#234 · Filter by author skymanbp opened on Sep 25, 2026

• Columnable for newtype

  DataHaskell/dataframe#227 · Filter by author guibou opened on Aug 24, 2026
  1

• readDouble is off by 1-7 ULP; subnormals parse as 0

  DataHaskell/dataframe#218 · Filter by author skymanbp opened on Aug 19, 2026

• correlation loses precision on offset low-variance columns

  DataHaskell/dataframe#217 · Filter by author skymanbp opened on Aug 19, 2026
  2

• Int mean/median wrap at 2^63

  DataHaskell/dataframe#216 · Filter by author skymanbp opened on Aug 19, 2026
  2

• Add pipeline operators for <$> and >>=

  DataHaskell/dataframe#210 · Filter by author chfin opened on Jul 15, 2026
  4

• dataframe-2.0.0.0 benchmarks fail to build: missing dataframe-operations

  DataHaskell/dataframe#203 · Filter by author juhp opened on May 15, 2026

• cabal install fails with ghc-9.10.3 (fedora)

  DataHaskell/dataframe#192 · Filter by author juhp opened on Apr 4, 2026
  4

• transpose doesn't seem to exist?

  DataHaskell/dataframe#191 · Filter by author gfarrell opened on Mar 31, 2026
  6

• Refactor Suggestion: Rename ColumnChunk / RowGroup, and their read<...> to ColumnChunkMeta / RowGroupMeta

  DataHaskell/dataframe#183 · Filter by author Eiko-Tokura opened on Mar 14, 2026
  1

• Add the function writeParquet

  DataHaskell/dataframe#181 · Filter by author c-ding-math opened on Mar 9, 2026
  2

• Double becoming Int when reading Csv

  DataHaskell/dataframe#177 · Filter by author maxigit opened on Mar 5, 2026
  19

• User pinch to read/write Parquet thrift metadata.

  mediumrefactor
  DataHaskell/dataframe#171 · Filter by author mchav opened on Feb 28, 2026
  1

• Add GZIP compression for parquet decoding

  good first issuegsoc2026
  DataHaskell/dataframe#167 · Filter by author mchav opened on Feb 25, 2026
  5

• Add BROTLI compression for parquet decoding

  good first issuegsoc2026
  DataHaskell/dataframe#166 · Filter by author mchav opened on Feb 25, 2026
  1

• Unroll loops to decode unsigned integers

  good first issuegsoc2026
  DataHaskell/dataframe#164 · Filter by author mchav opened on Feb 25, 2026
  5

• Are Columnable over constrained ?

  DataHaskell/dataframe#154 · Filter by author maxigit opened on Feb 19, 2026
  2

• String version of col

  DataHaskell/dataframe#153 · Filter by author maxigit opened on Feb 19, 2026
  2

• Feedback on qualified names

  DataHaskell/dataframe#152 · Filter by author maxigit opened on Feb 19, 2026
  2

• Reduce allocation pressure of Parquet reads

  good first issuegsoc2026
  DataHaskell/dataframe#151 · Filter by author mchav opened on Feb 18, 2026
  1

• Column safety

  DataHaskell/dataframe#144 · Filter by author maxigit opened on Feb 7, 2026
  10

• Refactor Test Code to Support Property Tests

  DataHaskell/dataframe#141 · Filter by author amiri opened on Jan 30, 2026
  1

• Parquet reader refactor: move to a Streamly-based streaming pipeline (bounded memory, clearer structure, optional concurrency)

  DataHaskell/dataframe#133 · Filter by author mchav opened on Jan 20, 2026
  7

• Evaluating math expressions

  DataHaskell/dataframe#128 · Filter by author folivetti opened on Jan 7, 2026
  3

• Use hegg to rewrite expressions when interpreting

  DataHaskell/dataframe#126 · Filter by author mchav opened on Dec 25, 2025
  7