Array position

Supported in: Batch, Streaming

Returns a position/index of the first occurrence of the 'value' in a given array. Returns null when value is not found or when any of the arguments are null.

Expression categories: Array

Declared arguments

• Array: Array from which to return element's position.
  Expression<Array<T>>
• Value: Value for which to find position in the array.
  Expression<T>

Type variable bounds: T accepts AnyType

Output type: Long

Examples

Example 1: Base case

Argument values:

• Array: [ 10, 11, 12 ]
• Value: 10

Output: 1

---

Example 2: Null case

Description: Output null if element is not found.

Argument values:

• Array: [ 1, 2, 4 ]
• Value: 10

Output: null

---

Example 3: Null case

Argument values:

• Array: array
• Value: value

---