Issues

• Column names with spaces cannot be referenced

  melihbirim/csvql#280 · Filter by author melihbirim opened on Nov 1, 2026

• Doubled quote in REPLACE, SPLIT_PART, CONCAT, LPAD and other scalar literals

  melihbirim/csvql#279 · Filter by author melihbirim opened on Nov 1, 2026

• docs: page on analysing an HR export without names reaching the model

  melihbirim/csvql#278 · Filter by author melihbirim opened on Nov 1, 2026

• --deny-pii: detect likely personal data columns automatically

  melihbirim/csvql#277 · Filter by author melihbirim opened on Nov 1, 2026

• --mask-columns: return a keyed hash instead of the value

  melihbirim/csvql#276 · Filter by author melihbirim opened on Nov 1, 2026

• --min-group-size: blank aggregates over groups smaller than N

  melihbirim/csvql#275 · Filter by author melihbirim opened on Nov 1, 2026

• CASE branches reject scalar functions and clock keywords with ColumnNotFound

  enhancement
  melihbirim/csvql#258 · Filter by author melihbirim opened on Oct 20, 2026

• A column named current_date, now or current_timestamp cannot be referenced in WHERE

  bug
  melihbirim/csvql#256 · Filter by author melihbirim opened on Oct 20, 2026

• Single-column aggregates run at 8 GB/s because every field is materialized, not just the one read

  enhancement
  melihbirim/csvql#237 · Filter by author melihbirim opened on Oct 9, 2026

• jev_grammar.py hardcodes the scalar function list, so new functions never reach the NL grammar

  enhancement
  melihbirim/csvql#233 · Filter by author melihbirim opened on Oct 8, 2026

• Multi-column ORDER BY silently ignores secondary keys on files over 5 MB

  bug
  melihbirim/csvql#223 · Filter by author melihbirim opened on Oct 7, 2026

• Regex functions: REGEXP_EXTRACT, REGEXP_REPLACE, REGEXP_MATCHES

  enhancementhelp wanted
  melihbirim/csvql#206 · Filter by author melihbirim opened on Sep 30, 2026
  2

• High-cardinality GROUP BY: ~7s of accumulator work unaccounted for, lock contention untested

  melihbirim/csvql#186 · Filter by author melihbirim opened on Sep 23, 2026

• Stream aggregate queries directly from stdin without materializing the complete input

  melihbirim/csvql#176 · Filter by author melihbirim opened on Sep 14, 2026
  2

• SELECT * with no LIMIT dumps entire file to stdout, add --full / default cap

  melihbirim/csvql#170 · Filter by author melihbirim opened on Sep 4, 2026

• csvql <file.csv> with no query: show row count, basic stats, and sample query suggestions

  good first issue
  melihbirim/csvql#169 · Filter by author melihbirim opened on Sep 4, 2026
  2

• Close the macOS/Windows gap in the zero-disk-write guarantee (SECURITY.md)

  enhancement
  melihbirim/csvql#164 · Filter by author melihbirim opened on Sep 3, 2026

• Fuzzer: add DISTINCT and scalar-function-in-WHERE coverage

  enhancementgood first issue
  melihbirim/csvql#162 · Filter by author melihbirim opened on Sep 2, 2026

• Fuzzer: add ORDER BY DESC / multi-column / positional coverage

  enhancementgood first issue
  melihbirim/csvql#161 · Filter by author melihbirim opened on Sep 2, 2026

• Differential query generator (template-based, scoped) — P1.1 of the correctness plan

  enhancement
  melihbirim/csvql#141 · Filter by author melihbirim opened on Aug 21, 2026
  1

• ORDER BY ... NULLS FIRST/LAST not supported

  enhancement
  melihbirim/csvql#137 · Filter by author melihbirim opened on Aug 14, 2026

• Publish standalone Zig CSV parser package, benchmark against other Zig CSV libraries

  enhancement
  melihbirim/csvql#129 · Filter by author melihbirim opened on Aug 13, 2026

• R package (FFI wrapper around libcsvql)

  enhancement
  melihbirim/csvql#128 · Filter by author melihbirim opened on Aug 13, 2026

• Window functions (RANK, ROW_NUMBER, etc.) not supported

  enhancement
  melihbirim/csvql#126 · Filter by author melihbirim opened on Aug 13, 2026

• UNION not supported

  enhancement
  melihbirim/csvql#122 · Filter by author melihbirim opened on Aug 13, 2026