COUNT_IF

The suffix _IF can be appended to the name of any aggregate function. In this case, the aggregate function accepts an extra argument – a condition.

Analyze Syntax

func.count_if(<column>, <cond>)

Analyze Examples

func.count_if(table.status, table.status=='Completed').alias('completed_orders')

| completed_orders |
|------------------|
|        3         |

SQL Example

COUNT_IF(<column>, <cond>)

SQL Examples

Create a Table and Insert Sample Data

CREATE TABLE orders (
  id INT,
  customer_id INT,
  status VARCHAR,
  total FLOAT
);

INSERT INTO orders (id, customer_id, status, total)
VALUES (1, 1, 'completed', 100),
       (2, 2, 'completed', 200),
       (3, 1, 'pending', 150),
       (4, 3, 'completed', 250),
       (5, 2, 'pending', 300);

Query Demo: Count Completed Orders

SELECT COUNT_IF(status, status = 'completed') AS completed_orders
FROM orders;

Result

| completed_orders |
|------------------|
|        3         |

Last modified June 11, 2024 at 8:46 PM EST: adding aggregate functions (68e518e)