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pydiverse.transform
pydiverse.transform
  • Quickstart
  • Examples
    • Joining and Tables as Column namespaces
    • Aggregation functions
    • Window functions
    • Database testing
    • DuckDB, Polars, and Parquet
  • Table Backends
  • Database testing
  • Best Practices for describing tabular data transformations
    • Best Practices: Beware the flatfile & embrace working with entities
    • Best Practices: start sql, finish polars
  • API
    • Verbs
      • alias
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      • ast_repr
      • build_query
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      • show_query
      • slice_head
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    • Column Operations
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      • Comparison
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        • is_inf
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        • is_not_inf
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        • is_not_null
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      • Numerical
        • ** (pow)
        • abs
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        • is_inf
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        • is_not_inf
        • is_not_nan
        • log
        • round
      • String
        • str.contains
        • str.ends_with
        • str.join
        • str.len
        • str.lower
        • str.replace_all
        • str.slice
        • str.starts_with
        • str.strip
        • str.to_date
        • str.to_datetime
        • str.upper
      • Datetime / Duration
        • dt.day
        • dt.day_of_week
        • dt.day_of_year
        • dt.hour
        • dt.microsecond
        • dt.millisecond
        • dt.minute
        • dt.month
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        • dur.microseconds
        • dur.milliseconds
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      • Aggregation
        • count
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        • str.join
      • Window
        • cum_sum
        • shift
        • dense_rank
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      • Sorting Markers
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        • nulls_first
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      • Horizontal Aggregation
        • coalesce
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        • any
        • max
        • min
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      • Conditional Logic
        • when
        • coalesce
        • map
      • Type Conversion
        • lit
        • cast
    • Backends / Export Targets
      • DuckDb
      • Pandas
      • Polars
      • SqlAlchemy
    • Types
      • Dtype
      • Bool
      • Date
      • Datetime
      • Decimal
      • Float
      • Float32
      • Float64
      • Int
      • Int8
      • Int16
      • Int32
      • Int64
      • String
      • UInt8
      • UInt16
      • UInt32
      • UInt64
    • Alignment
      • aligned
      • eval_aligned
    • Miscellaneous functions
      • verb
      • backend
      • is_sql_backed
      • transfer_col_references

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*¶

ColExpr.__mul__(
rhs: ColExpr[Int],
) → ColExpr[Int][source]¶
ColExpr.__mul__(
rhs: ColExpr[Float],
) → ColExpr[Float]

Multiplication *

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    • pydiverse.transform.ColExpr.__mul__()