Merge with v1.5-andium#351

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evertlammerts wants to merge 194 commits intoduckdb:mainfrom

evertlammerts:main

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Fix unionByName to properly handle missing columns from both DataFrames
mariotaddeucci
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Update duckdb/experimental/spark/sql/dataframe.py

mariotaddeucci
and
Copilot
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Commits on Jan 5, 2026

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Commits on Jan 9, 2026

Submodule now tracking v1.5-variegata
evertlammerts
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refactor query graph to make it more useful

guillesd
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evertlammerts
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expose profiling in the pyconnection

guillesd
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evertlammerts
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expose translate_json_to_html so that it can be used with object profiles

guillesd
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evertlammerts
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add a small test to check the output when calling get_profiling_information, (not a real test)

guillesd
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evertlammerts
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add reasonable tests

guillesd
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evertlammerts
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fix dark mode problems plus add depth

guillesd
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evertlammerts
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make phases expandable

guillesd
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evertlammerts
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fix when running from python -m

guillesd
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evertlammerts
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run pre-commit

guillesd
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evertlammerts
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make ruff check pass

guillesd
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evertlammerts
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adapt tests
guillesd
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change interface to ProfilingInfo
guillesd
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escape idenitifiers in relation aggregations
evertlammerts
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Commits on Jan 15, 2026

Escape identifiers in relation aggregations (#272)
evertlammerts
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Support Pandas' new str type
evertlammerts
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