SIGN

Returns the signum function of the given input, that is:

• 0 if the argument is 0

• 1 if the argument is greater than 0

• -1 if the argument is less than 0

Syntax

SIGN(X)

Arguments

X

Type: numeric

A numeric value.

Returns

Type: same as input

A value 1, 0, or -1 indicating the sign of X.

Examples

X	Output
1	1
-1	-1
0	0
1.1	1.0
-1.35	-1.0
3	1

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 SIGN(-1.35) AS sign_example
    FROM default_glue_catalog.upsolver_samples.orders_raw_data 
    WHERE time_filter()
    LIMIT 1;

Query result

sign_example
-1.0