Length

Supported in: Batch, Streaming

Returns the length of each value in a string column or an array column.

Expression categories: Array, Numeric

Declared arguments

• Expression - The expression to compute the length of.
  Expression<Array<AnyType> | Binary | Map<AnyType, AnyType> | String>

Output type: Integer

Examples

Example 1: Base case

Argument values:

• Expression: string

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