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petbox-dev / tafra
95%

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DEFAULT BRANCH: main
Repo Added 20 Mar 2026 06:55PM UTC
Files 6
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LAST BUILD ON BRANCH main
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  • main
  • accel-v3
  • bugfix/join-correctness
  • bugfix/join-correctness-2
  • bugfix/string-dtype-interop
  • dwt/hash-table-perf
  • feature/mkdocs-website
  • feature/read-sql-params
  • fix/object-dtype-mixed-types
  • fix/sdist-test-fixtures

26 May 2026 11:42PM UTC coverage: 95.18% (+0.1%) from 95.073%
26481597417

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fix: hash-based encoding for object-dtype join/groupby keys (v2.2.5) (#32)

np.unique's internal argsort raises TypeError on object arrays mixing
Python types (e.g., str and int) because cross-type `<` is unsupported.
The pure-Python encoding paths in _encode_columns and _encode_columns_paired
now use a dict-based codebook for object dtype, matching the C accelerator's
hash-equality semantics. Fixes joins/groupbys that previously failed when
both sides had _dtypes='object' with heterogeneous Python values.

Also fixes a pre-existing mypy return-type error in to_pandas via cast(),
and documents the three version-bump files in CLAUDE.md.

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

18 of 18 new or added lines in 2 files covered. (100.0%)

1639 of 1722 relevant lines covered (95.18%)

0.95 hits per line

Relevant lines Covered
Build:
Build:
1722 RELEVANT LINES 1639 COVERED LINES
0.95 HITS PER LINE
Source Files on main
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Recent builds

Builds Branch Commit Type Ran Committer Via Coverage
26481597417 main fix: hash-based encoding for object-dtype join/groupby keys (v2.2.5) (#32) np.unique's internal argsort raises TypeError on object arrays mixing Python types (e.g., str and int) because cross-type `<` is unsupported. The pure-Python encoding path... push 26 May 2026 11:42PM UTC web-flow github
95.18
24696118012 main fix: restore MANIFEST.in so sdist includes test CSV fixtures (v2.2.4) (#31) MANIFEST.in was removed in v2.2.1 under the mistaken assumption that setuptools>=64 + pyproject.toml made it unnecessary. In fact, setuptools still needs MANIFEST.in to i... push 20 Apr 2026 11:43PM UTC web-flow github
95.07
24677689377 main feat: parameterized queries in read_sql + bump to 2.2.3 (#30) * feat: add params argument to read_sql and read_sql_chunks Accepts an optional Sequence[Any] of parameter values to bind to ? placeholders in the query. Passed unchanged to cur.execu... push 20 Apr 2026 04:22PM UTC web-flow github
95.07
24479400216 main fix: resolve CSV test fixture paths relative to __file__ Hardcoded "test/ex*.csv" paths broke conda-build where pytest's cwd is not the repo root. Using Path(__file__).parent makes the paths cwd- independent. Co-Authored-By: Claude Opus 4.6 (1M ... push 15 Apr 2026 09:30PM UTC dsfulf github
95.06
23926518445 main fix: composite key collision in multi-column joins + _accel.c v3 (#29) * perf: _accel.c v2 — power-of-2 hashing, CSR joins, single-pass output - Replace modulo hash probing with bitmask (& mask) on power-of-2 tables - Replace linked-list join ha... push 02 Apr 2026 11:21PM UTC web-flow github
95.06
23698221333 main Hash table refactor and performance improvements (#26) * refactor: consolidate hash table construction and probing This refactor was executed by the Claude Opus 4.6 LLM under human direction. Tests pass, etc. but I wouldn't bet a kidney on it. ... push 29 Mar 2026 01:03AM UTC web-flow github
94.68
23695947661 main fix: composite key negative values, select generator exhaustion, cross join validation (#28) * fix: composite key negative values, select generator exhaustion, cross join validation - _build_composite_key: shift columns to non-negative range bef... push 28 Mar 2026 10:41PM UTC web-flow github
94.68
23668503360 main fix: join correctness — cross join pairs, dtype promotion, null keys, empty tables (#27) * fix: join correctness — cross join pairs, dtype promotion, null keys, empty tables - Move _left_join_indices from Join to LeftJoin (Fix 1) - Fix cross joi... push 27 Mar 2026 09:35PM UTC web-flow github
93.13
23523831258 main docs: update guides for v2.2.1 dtype handling - joins.md: add null handling table for left join (str→None, float→NaN, datetime/timedelta→NaT, int/bool/bytes→object+warning) - column-ops.md: document 'str' label → StringDType(na_object=None), ... push 25 Mar 2026 03:43AM UTC dsfulf github
92.34
23523601345 main fix: StringDType / <U interop and left join null handling (v2.2.1) (#25) * fix: StringDType / <U interop in joins, unions, and update_dtypes - Join _validate_dtypes: compare base types via _reduce_dtype instead of raw numpy dtypes, so StringDT... push 25 Mar 2026 03:34AM UTC web-flow github
92.34
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