SNOW-3923354 decouple pandas version from python connector and support pandas 3.x - #4312

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jzeng/snow-3923354-pandas3x-support

Commits on Aug 23, 2026

SNOW-3923354 decouple pandas version from python connector and import pandas 3.x
sfc-gh-jzeng
committed
051402b
SNOW-3923354 preserve Series name on ColumnEmulator copies under pandas 3
sfc-gh-jzeng
committed
115ef72
SNOW-3923354 keep sort keys at object dtype so NULL survives as None
sfc-gh-jzeng
committed
de8567e
SNOW-3923354 keep SQL NULL as None across pandas-3 dtype re-inference
sfc-gh-jzeng
committed
e4bda40
SNOW-3923354 fix MERGE-INSERT default NULLs under pandas 3 Copy-on-Write
sfc-gh-jzeng
committed
2438471
SNOW-3923354 derive the generated-import expectation from read_sql.__module__
sfc-gh-jzeng
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3c4e30f
SNOW-3923354 fix pandas-3 positional accessors in vectorized UDF tests
sfc-gh-jzeng
committed
e577c41
SNOW-3923354 accept pandas-3 dtype labels in to_pandas cast expectations
sfc-gh-jzeng
committed
06f3cc3
SNOW-3923354 normalize timedelta64 to ns on the pandas write path
sfc-gh-jzeng
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975ddf6
SNOW-3923354 make the structured-type to_json expectation version-aware
sfc-gh-jzeng
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f978573
SNOW-3923354 centralize pandas major version detection in utils
sfc-gh-jzeng
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85bdce9
SNOW-3923354 update CHANGELOG with pandas 3 support notes
sfc-gh-jzeng
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9b5a9bc
SNOW-3923354 rename the timedelta loop variable to avoid shadowing col
sfc-gh-jzeng
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721986c
SNOW-3923354 run local-testing precommit on pandas 2 and 3
sfc-gh-jzeng
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01c2c17
SNOW-3923354 normalize Arrow duration to ns on write_arrow
sfc-gh-jzeng
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8bae44d
SNOW-3923354 keep NULL as None in mock initcap, greatest, and least
sfc-gh-jzeng
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2897230
SNOW-3923354 tighten the pandas 3 to_pandas changelog note
sfc-gh-jzeng
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8d57a6d
SNOW-3923354 cover duration write call sites and initcap delimiters
sfc-gh-jzeng
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9c43219
SNOW-3923354 correct the timedelta changelog scope and trim the notes
sfc-gh-jzeng
committed
666a198
SNOW-3923354 derive pandas major version locally in tests
sfc-gh-jzeng
committed
cf9a8eb

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SNOW-3923354 decouple pandas version from python connector and support pandas 3.x - #4312

SNOW-3923354 decouple pandas version from python connector and support pandas 3.x#4312
sfc-gh-jzeng wants to merge 25 commits into
mainfrom
jzeng/snow-3923354-pandas3x-support

Commits on Aug 23, 2026

SNOW-3923354 decouple pandas version from python connector and import pandas 3.x

SNOW-3923354 preserve Series name on ColumnEmulator copies under pandas 3

SNOW-3923354 keep sort keys at object dtype so NULL survives as None

SNOW-3923354 keep SQL NULL as None across pandas-3 dtype re-inference

SNOW-3923354 fix MERGE-INSERT default NULLs under pandas 3 Copy-on-Write

SNOW-3923354 derive the generated-import expectation from read_sql.module

SNOW-3923354 fix pandas-3 positional accessors in vectorized UDF tests

SNOW-3923354 accept pandas-3 dtype labels in to_pandas cast expectations

SNOW-3923354 normalize timedelta64 to ns on the pandas write path

SNOW-3923354 make the structured-type to_json expectation version-aware

SNOW-3923354 centralize pandas major version detection in utils

SNOW-3923354 update CHANGELOG with pandas 3 support notes

SNOW-3923354 rename the timedelta loop variable to avoid shadowing col

SNOW-3923354 run local-testing precommit on pandas 2 and 3

SNOW-3923354 normalize Arrow duration to ns on write_arrow

SNOW-3923354 keep NULL as None in mock initcap, greatest, and least

SNOW-3923354 tighten the pandas 3 to_pandas changelog note

SNOW-3923354 cover duration write call sites and initcap delimiters

SNOW-3923354 correct the timedelta changelog scope and trim the notes

SNOW-3923354 derive pandas major version locally in tests

Commits on Aug 26, 2026

SNOW-3923354 drop the unused pandas_major_version helper

SNOW-3923354 drop the redundant connector requirement from the pandas extra

SNOW-3923354 keep Arrow schema metadata when normalizing duration to ns

SNOW-3923354 tighten the pandas 3 changelog entries

SNOW-3923354 bound pyarrow in the pandas extra, mirroring the connector