feat: SparkLikeNamespace methods
#1779
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FBruzzesi
commented
Jan 10, 2025
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| sorted_indices = sorted( | ||
| range(len(sort_list)), key=lambda i: (sort_list[i] is None, sort_list[i]) | ||
| ) |
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Otherwise list with Nones would just fail to sort
FBruzzesi
commented
Jan 10, 2025
| from pyspark.sql.types import IntegerType | ||
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| def _n_unique(_input: Column) -> Column: | ||
| return F.count_distinct(_input) + F.max(F.isnull(_input).cast(IntegerType())) |
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Highly inspired by duckdb implementation 😂😉
FBruzzesi
commented
Jan 10, 2025
| expr._function_name, expr._function_name | ||
| ) | ||
| agg_func = get_spark_function(function_name, **expr._kwargs) | ||
| agg_func = get_spark_function(expr._function_name, **expr._kwargs) |
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I could not manage to make nw.len() work in the group_by context
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@MarcoGorelli scikit-lego issue is definitly unrelated |
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Introduces:
Expr.is_nullExpr.n_uniqueNamespace.lenNamespace.any_horizontalNamespace.mean_horizontalNamespace.min_horizontalNamespace.max_horizontalNamespace.concatNamespace.concat_str