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timsaucer
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Apr 18, 2026
- Wrap CASE/WHEN method-chain examples in parentheses and assign to a variable so they are valid Python as shown (Copilot #1, #2). - Fix INTERSECT/EXCEPT mapping: the default distinct=False corresponds to INTERSECT ALL / EXCEPT ALL, not the distinct forms. Updated both the Set Operations section and the SQL reference table to show both the ALL and distinct variants (Copilot apache#4). - Change write_parquet / write_csv / write_json examples to file-style paths (output.parquet, etc.) to match the convention used in existing tests and examples. Note that a directory path is also valid for partitioned output (Copilot apache#5). Verified INTERSECT/EXCEPT semantics with a script: df1.intersect(df2) -> [1, 1, 2] (= INTERSECT ALL) df1.intersect(df2, distinct=True) -> [1, 2] (= INTERSECT) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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DO NOT MERGE
This PR is to demonstrate asf rules to verify we are correctly requiring CI green in order to merge.