Count

Definition

Returns the disctinct values in the selected column.

Parameters

1. Column input:

   • Def: Specify the name of the column.

2. Column output:

   • Def: Specify the name of the column.

3. function:

   • Def: Specify the function to apply in the count.

Additionnal Comments

Functions:

1. count:

   • Def: Count the element in the Column input for each group.

2. countDistinct:

   • Def: Count the element in the Column input for each group.

3. countNotNull:

   • Def: Count the non-null element in the Column input for each group.

4. CountNull:

   • Def: Count the null element in the Column input for each group.