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LOG2

Returns the base-2 logarithm of a numeric argument.

Syntax​

LOG2 ( float_expression )

Arguments​

float_expression
Is an expression of type float or of a type that can be implicitly converted to float. Values less than or equal to 0.0 are returned as NULL.

Return Type​

Returns values of type FLOAT64.

Examples​

Examples in this section use the example blockchain.

This example shows the results of using the LOG2 function.

SELECT LOG2(real) FROM example;

Response:

LOG2(real) [FLOAT64]
NULL             
NULL             
0
1