FQL v4 will be decommissioned on June 30, 2025. Ensure that you complete your migration from FQL v4 to FQL v10 by that date.

For more details, see the v4 EOL announcement and migration guide. Contact support@fauna.com with any questions.

Sqrt

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

Sqrt( value )
sqrt( value )
Sqrt( value )
Sqrt( value )
Sqrt( value )

Description

The Sqrt function returns the positive square root of the provided numeric value.

Parameters

Parameter Type Definition and Requirements

value

Number

The Number whose square root should be returned.

Returns

The numeric square root of value.

Examples

The following query returns the square root of 16:

client.query(
  q.Sqrt(16)
)
.then((ret) => console.log(ret))
.catch((err) => console.error(
  'Error: [%s] %s: %s',
  err.name,
  err.message,
  err.errors()[0].description,
))
4
result = client.query(
  q.sqrt(16)
)
print(result)
4.0
result, err := client.Query(
	f.Sqrt(16))

if err != nil {
	fmt.Fprintln(os.Stderr, err)
} else {
	fmt.Println(result)
}
4
try
{
    Value result = await client.Query(
        Sqrt(16)
    );

    Console.WriteLine(result);
}
catch (Exception e)
{
    Console.WriteLine($"ERROR: {e.Message}");
}
DoubleV(4)
Sqrt(16)
4
Query metrics:
  •    bytesIn:  11

  •   bytesOut:  16

  • computeOps:   1

  •    readOps:   0

  •   writeOps:   0

  •  readBytes:   0

  • writeBytes:   0

  •  queryTime: 2ms

  •    retries:   0

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