grouping function
Applies to:  Databricks SQL 
 Databricks Runtime
Indicates whether a specified column in a GROUPING SET, ROLLUP, or CUBE represents a subtotal.
Syntax
grouping(col)
Arguments
- col: A column reference identified in a- GROUPING SET,- ROLLUP, or- CUBE.
Returns
An INTEGER.
The result is 1 for a specified row if the row represents a subtotal over the grouping of col, or 0 if it is not.
Examples
SQL
> SELECT name, grouping(name), sum(age) FROM VALUES (2, 'Alice'), (5, 'Bob') people(age, name) GROUP BY cube(name);
  Alice 0   2
  Bob   0   5
  NULL  1   7