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Allow pickling PyExpr
- #1517
#1517
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ntjohnson1
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Allow pickling PyExpr
#1517
ntjohnson1
wants to merge 9 commits into
apache:main
apache/datafusion-python:main
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rerun-io:nick/pickle_expr
rerun-io/datafusion-python:nick/pickle_expr
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Commits on Apr 28, 2026
feat: allow replacing the global SessionContext
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feat: pickle/dill support for Expr
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Commits on May 9, 2026
Add multiprocessing test since that was motivating factor
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ci: cap test-matrix at 30 minutes to prevent 6-hour hangs
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test: move pickle/multiprocessing helpers into a non-test module
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Fix multiprocessing table name collision
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Diagnosing on CI since I can't repro locally even on my linux box
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Local dev adds .pyth file that ci installation from wheel doesn't have. Make sure pytest can see the tests directory as a package to access helpers
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Commits on May 11, 2026
Discovery of the tests module is very strange. Proving that is the root cause and we can resolve. Will follow up by reverting this and removing multiprocessing specif test because not worth the com…
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