Greatest

Supported in: Batch, Streaming

Computes the greatest value amongst all input columns, skipping null values.

Expression categories: Numeric

Declared arguments

• Expressions - List of columns from which to compute greatest value.
  List<Expression<T>>

Type variable bounds: T accepts ComparableType

Output type: T

Examples

Example 1: Base case

Argument values:

• Expressions: [a, b, c]

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Example 2: Null case

Description: Returns null if values of all inputs are null. Argument values:

• Expressions: [a, b]

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Example 3: Null case

Description: Any null values are ignored for comparison purposes. Argument values:

• Expressions: [a, b]

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