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feat: close upstream coverage gaps for DataFusion 55.1.0 - #1763

Merged

timsaucer merged 59 commits into

apache:mainfrom

timsaucer:feat/upstream-coverage-gaps

Oct 4, 2026

Commits on Sep 25, 2026
- feat: expose any_value, array math, array_first, and missing Spark functions
  
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  5a0e79d
- feat: add rand, substring_index, file metadata functions, and distinct kwargs
  
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  8027fcb
- feat(spark): add pyspark aliases and optional-length substr
  
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  97e6031
- feat: accept optional arguments upstream supports on trim, array_to_string, substr
  
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  e8c2192
- feat: add DataFrame.fill_nan
  
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  2747573
- feat: add null_treatment to lead and lag
  
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  24764bd
- feat: add show_statistics, analyze_level, and analyze_categories to explain
  
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  b035c97
- fix: keep existing options when chaining aggregate and window builders
  
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  d2ac890
- feat: accept a bare PyCapsule in ScalarUDF and WindowUDF
  
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- chore: export TableProviderFactory from datafusion.catalog
  
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  d53a255
- docs(skill): record DataFrame.to_string as not needing exposure
  
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  5d43576
- fix: resolve the _PyCapsule type alias so capsule overloads type-check
  
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  f6d0478
- fix: keep an explicit window frame that equals the default when chaining
  
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  6345b17
- fix: leave lead and lag null_treatment unset by default
  
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  73b052d
- fix: keep existing window function options in over()
  
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  8173554
- feat: accept native ints and a single argument in range and gen_series
  
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  96f990b
Commits on Sep 28, 2026
- fix: decide window frame re-derivation from the expression alone
  
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  d731279
- fix: treat the frame an empty order_by derives as a default when chaining
  
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  b4cad2d
- fix: raise when a builder option does not apply to the function kind
  
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  92ace16
- docs: note that over() drops options set on an aggregate
  
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  8e21c8a
- docs: document that chaining now keeps options already set
  
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  6b52225
- fix: reject a non-bool distinct in string_agg
  
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  0ac494e
- fix: reject show_statistics combined with analyze in explain
  
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  607dde4
- fix: treat a bare str as a column name in spark.printf
  
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  4933fa2
- fix: name the expected and found capsule when importing a UDF
  
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  23ed533
- fix: treat an empty fill_null or fill_nan subset as no columns
  
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  8454a09
- fix: keep the sort direction in percentile_cont and friends
  
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  1b01845
- fix: allow the keyword-only form of the udf, udaf, and udwf decorators
  
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  f8d7b70
- docs: fix the broken guide links in aggregate docstrings
  
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  7259819
- test: check that bit_and and bit_or keep distinct in the expression
  
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- docs(skill): show substr's length argument as valid
  
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Commits on Sep 30, 2026
- fix: keep aggregate options in over() and reject an aggregate order_by
  
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  2fb7cce
- fix: treat the sort key added when decoding a RANGE frame as no order_by
  
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  99f506d
- fix: check the function kind on every builder call, not just the first
  
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  7dd2658
- fix: accept numpy and pandas column lists as fill_null and fill_nan subsets
  
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  e811758
- fix: reject explain options that the chosen plan would ignore
  
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- fix: take a lone range or gen_series argument only by position
  
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  473856e
- fix: reject DISTINCT in Python aggregate UDFs instead of ignoring it
  
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  74b6434
- docs: say a chained order_by sets only the percentile's sort direction
  
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  daac7f2
- docs: correct what distinct does in count_star and the weighted percentile
  
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  a4fe393
- fix: accept numpy.bool_ as string_agg's distinct
  
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  47359df
- fix: accept the callable by keyword in udf, udaf, udwf, and udtf
  
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  1475123
- docs: note that fill_null and fill_nan fail on uppercase or dotted names
  
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- docs: say mean's filter now works only when passed by keyword
  
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- fix: resolve CapsuleType in context and extensions, and at runtime
  
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  6808f95
- docs: show how to move an aggregate's order_by into the Window
  
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  4d66257
- fix: import CapsuleType from types on Python 3.13 and newer
  
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  ad4a447
- fix: require typing-extensions 4.12 or newer below Python 3.13
  
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  cada104
- fix: reject an explicit None stop in range and gen_series
  
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  6ae9e6e
- fix: treat an empty window order_by as no order_by
  
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  61cb60f
- fix: name the function when a positional filter lands in distinct
  
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  ec34c78
- refactor: make stop the required argument of range and gen_series
  
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- refactor: build capsule-backed UDFs through _from_internal
  
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- refactor: derive builder kind and options in one match
  
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- docs: drop the claim that every ExprFuncBuilder method raises
  
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Commits on Oct 1, 2026
- test: drop low-value cases and fold duplicates added on this branch
  
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  8fe4188
- fix: raise when chaining onto a window function that has window options
  
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- docs: correct how to set null treatment on a window and list array_first
  
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- docs: clarify which DISTINCT queries reach a Python UDAF without the flag
  
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  a0008f3

Commits

Commits on Sep 25, 2026

Commits on Sep 28, 2026

Commits on Sep 30, 2026

Commits on Oct 1, 2026