Logarithm

Supported in: Batch, Streaming

Calculates the natural logarithm, ln(x), of a column.

Expression categories: Numeric

Declared arguments

  • Expression - no description
    Expression<Numeric>

Output type: Double

Examples

Example 1: Base case

Argument values:

  • Expression: 10.123

Output: 2.3148100626166146


Example 2: Base case

Argument values:

  • Expression: null

Output: null