LOG

Return the logarithm of x to the given base.

Syntax

LOG(base, input)

Arguments

NameType

base

numeric

input

numeric

Returns

Double


Examples

baseinputOutput

2

2

1.0

0.5

1

0.0

5

0.04

-2.0

10

0

'-Infinity'

1

10

'Infinity'

10

-2

nan()

Transformation job example

SQL

CREATE JOB function_operator_example
    ADD_MISSING_COLUMNS = true
AS INSERT INTO default_glue_catalog.upsolver_samples.orders_transformed_data 
  MAP_COLUMNS_BY_NAME
    SELECT base, input,
        LOG(base, input) AS Output
    FROM default_glue_catalog.upsolver_samples.orders_raw_data
    LET base = 2,
        input = 2
    WHERE $commit_time BETWEEN run_start_time() AND run_end_time()
    LIMIT 1;

Query result

baseinputOutput

2

2

1.0

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