Nullify empty string

Supported in: Batch, Streaming

Convert empty strings to null.

Expression categories: String

Declared arguments

• Expression - no description
  Expression<String>

Output type: String

Examples

Example 1: Base case

Argument values:

• Expression: empty string

Output: null

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Example 2: Base case

Argument values:

• Expression: hello world

Output: hello world

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Example 3: Null case

Argument values:

• Expression: null

Output: null

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