Row count

Supported in: Batch, Streaming

Counts the number of non null rows in a group.

Expression categories: Aggregate

Declared arguments

• optional Expression - no description
  Expression<AnyType>

Output type: Long

Examples

Example 1: Base case

Argument values:

• Expression: values

Given input table:

Outputs: 3

---

Example 2: Null case

Argument values:

• Expression: values

Given input table:

Outputs: 2

---