Partition array

Supported in: Batch, Streaming

Splits an array into consecutive arrays of at most the given size, preserving element order. The size must be a positive integer. Returns null if the array or size is null, or the size is invalid.

Expression categories: Array

Declared arguments

• Array: Array to partition.
  Expression<Array<T>>
• Size: Maximum number of elements in each partition. Must be a positive integer.
  Expression<Integer>

Type variable bounds: T accepts AnyType

Output type: Array<Array<T>>

Examples

Example 1: Base case

Argument values:

• Array: [ a, b, c, d, e ]
• Size: 2

Output: [ [ a, b ], [ c, d ], [ e ] ]

---

Example 2: Null case

Argument values:

• Array: array
• Size: size

---

Example 3: Edge case

Argument values:

• Array: array
• Size: size

---