Subtract

This reference topic applies to FQL v4. Go to this page for the latest FQL v10 reference topics.

Subtract( value_1, value_2, ... )
Subtract( value_1, value_2, ... )
Subtract( value_1, value_2, ... )
subtract( value_1, value_2, ... )
Subtract( value_1, value_2, ... )

Description

The Subtract function returns the difference of a list of numbers.

Parameters

Parameter Type Definition and Requirements

value

A list of Numbers

Take the difference of these values.

Returns

A Number which is the difference of all provided Numbers.

Examples

The following query returns the result of subtracting 10 from 100:

try
{
    Value result = await client.Query(
        Subtract(100, 10)
    );
    Console.WriteLine(result);
}
catch (Exception e)
{
    Console.WriteLine($"ERROR: {e.Message}");
}
LongV(90)
result, err := client.Query(
	f.Subtract(100, 10))

if err != nil {
	fmt.Fprintln(os.Stderr, err)
} else {
	fmt.Println(result)
}
90
client.query(
  q.Subtract(100, 10)
)
.then((ret) => console.log(ret))
.catch((err) => console.error(
  'Error: [%s] %s: %s',
  err.name,
  err.message,
  err.errors()[0].description,
))
90
result = client.query(
  q.subtract(100, 10)
)
print(result)
90
Subtract(100, 10)
90
Query metrics:
  •    bytesIn:  21

  •   bytesOut:  15

  • computeOps:   1

  •    readOps:   0

  •   writeOps:   0

  •  readBytes:   0

  • writeBytes:   0

  •  queryTime: 2ms

  •    retries:   0

Is this article helpful? 

Tell Fauna how the article can be improved:
Visit Fauna's forums or email docs@fauna.com

Thank you for your feedback!