PPL mathematical functions
Note
To see which AWS data source integrations support this PPL function, see Functions.
ABS
Usage: ABS(x)
calculates the absolute value of x.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: INTEGER/LONG/FLOAT/DOUBLE
Example:
os> source=people | eval `ABS(-1)` = ABS(-1) | fields `ABS(-1)` fetched rows / total rows = 1/1 +-----------+ | ABS(-1) | |-----------| | 1 | +-----------+
ACOS
Usage: ACOS(x)
calculates the arc cosine of x. It returns NULL
if x is not in
the range -1 to 1.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE
Example:
os> source=people | eval `ACOS(0)` = ACOS(0) | fields `ACOS(0)` fetched rows / total rows = 1/1 +--------------------+ | ACOS(0) | |--------------------| | 1.5707963267948966 | +--------------------+
ASIN
Usage: asin(x)
calculates the arc sine of x. It returns NULL
if x is not in
the range -1 to 1.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE
Example:
os> source=people | eval `ASIN(0)` = ASIN(0) | fields `ASIN(0)` fetched rows / total rows = 1/1 +-----------+ | ASIN(0) | |-----------| | 0.0 | +-----------+
ATAN
Usage: ATAN(x)
calculates the arc tangent of x. atan(y, x)
calculates the arc
tangent of y / x, except that the signs of both arguments determine the
quadrant of the result.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE
Example:
os> source=people | eval `ATAN(2)` = ATAN(2), `ATAN(2, 3)` = ATAN(2, 3) | fields `ATAN(2)`, `ATAN(2, 3)` fetched rows / total rows = 1/1 +--------------------+--------------------+ | ATAN(2) | ATAN(2, 3) | |--------------------+--------------------| | 1.1071487177940904 | 0.5880026035475675 | +--------------------+--------------------+
ATAN2
Usage: ATAN2(y, x)
calculates the arc tangent of y / x, except that the signs of both arguments
determine the quadrant of the result.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE
Example:
os> source=people | eval `ATAN2(2, 3)` = ATAN2(2, 3) | fields `ATAN2(2, 3)` fetched rows / total rows = 1/1 +--------------------+ | ATAN2(2, 3) | |--------------------| | 0.5880026035475675 | +--------------------+
CBRT
Usage: CBRT
calculates the cube root of a number.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE:
INTEGER/LONG/FLOAT/DOUBLE -> DOUBLE
Example:
opensearchsql> source=location | eval `CBRT(8)` = CBRT(8), `CBRT(9.261)` = CBRT(9.261), `CBRT(-27)` = CBRT(-27) | fields `CBRT(8)`, `CBRT(9.261)`, `CBRT(-27)`; fetched rows / total rows = 2/2 +-----------+---------------+-------------+ | CBRT(8) | CBRT(9.261) | CBRT(-27) | |-----------+---------------+-------------| | 2.0 | 2.1 | -3.0 | | 2.0 | 2.1 | -3.0 | +-----------+---------------+-------------+
CEIL
Usage: An alias for the
CEILING
function. CEILING(T)
takes the ceiling
of value T.
Limitation: CEILING
only works as expected when IEEE 754 double type displays a decimal when
stored.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: LONG
Example:
os> source=people | eval `CEILING(0)` = CEILING(0), `CEILING(50.00005)` = CEILING(50.00005), `CEILING(-50.00005)` = CEILING(-50.00005) | fields `CEILING(0)`, `CEILING(50.00005)`, `CEILING(-50.00005)` fetched rows / total rows = 1/1 +--------------+---------------------+----------------------+ | CEILING(0) | CEILING(50.00005) | CEILING(-50.00005) | |--------------+---------------------+----------------------| | 0 | 51 | -50 | +--------------+---------------------+----------------------+ os> source=people | eval `CEILING(3147483647.12345)` = CEILING(3147483647.12345), `CEILING(113147483647.12345)` = CEILING(113147483647.12345), `CEILING(3147483647.00001)` = CEILING(3147483647.00001) | fields `CEILING(3147483647.12345)`, `CEILING(113147483647.12345)`, `CEILING(3147483647.00001)` fetched rows / total rows = 1/1 +-----------------------------+-------------------------------+-----------------------------+ | CEILING(3147483647.12345) | CEILING(113147483647.12345) | CEILING(3147483647.00001) | |-----------------------------+-------------------------------+-----------------------------| | 3147483648 | 113147483648 | 3147483648 | +-----------------------------+-------------------------------+-----------------------------+
CONV
Usage: CONV(x, a, b)
converts the number x from a base to b base.
Argument type: x: STRING, a: INTEGER, b: INTEGER
Return type: STRING
Example:
os> source=people | eval `CONV('12', 10, 16)` = CONV('12', 10, 16), `CONV('2C', 16, 10)` = CONV('2C', 16, 10), `CONV(12, 10, 2)` = CONV(12, 10, 2), `CONV(1111, 2, 10)` = CONV(1111, 2, 10) | fields `CONV('12', 10, 16)`, `CONV('2C', 16, 10)`, `CONV(12, 10, 2)`, `CONV(1111, 2, 10)` fetched rows / total rows = 1/1 +----------------------+----------------------+-------------------+---------------------+ | CONV('12', 10, 16) | CONV('2C', 16, 10) | CONV(12, 10, 2) | CONV(1111, 2, 10) | |----------------------+----------------------+-------------------+---------------------| | c | 44 | 1100 | 15 | +----------------------+----------------------+-------------------+---------------------+
COS
Usage: COS(x)
calculates the cosine of x, where x is given in radians.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE
Example:
os> source=people | eval `COS(0)` = COS(0) | fields `COS(0)` fetched rows / total rows = 1/1 +----------+ | COS(0) | |----------| | 1.0 | +----------+
COT
Usage: COT(x)
calculates the cotangent of x. It returns out-of-range error if x is equal
to 0.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE
Example:
os> source=people | eval `COT(1)` = COT(1) | fields `COT(1)` fetched rows / total rows = 1/1 +--------------------+ | COT(1) | |--------------------| | 0.6420926159343306 | +--------------------+
CRC32
Usage: CRC32
calculates a cyclic redundancy check value and returns a 32-bit unsigned
value.
Argument type: STRING
Return type: LONG
Example:
os> source=people | eval `CRC32('MySQL')` = CRC32('MySQL') | fields `CRC32('MySQL')` fetched rows / total rows = 1/1 +------------------+ | CRC32('MySQL') | |------------------| | 3259397556 | +------------------+
DEGREES
Usage: DEGREES(x)
converts x from radians to degrees.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE
Example:
os> source=people | eval `DEGREES(1.57)` = DEGREES(1.57) | fields `DEGREES(1.57)` fetched rows / total rows = 1/1 +-------------------+ | DEGREES(1.57) | |-------------------| | 89.95437383553924 | +-------------------+
E
Usage: E()
returns
the Euler's number.
Return type: DOUBLE
Example:
os> source=people | eval `E()` = E() | fields `E()` fetched rows / total rows = 1/1 +-------------------+ | E() | |-------------------| | 2.718281828459045 | +-------------------+
EXP
Usage: EXP(x)
returns
e raised to the power of x.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE
Example:
os> source=people | eval `EXP(2)` = EXP(2) | fields `EXP(2)` fetched rows / total rows = 1/1 +------------------+ | EXP(2) | |------------------| | 7.38905609893065 | +------------------+
FLOOR
Usage: FLOOR(T)
takes
the floor of value T.
Limitation: FLOOR
only works as expected when IEEE 754 double type displays a decimal when
stored.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: LONG
Example:
os> source=people | eval `FLOOR(0)` = FLOOR(0), `FLOOR(50.00005)` = FLOOR(50.00005), `FLOOR(-50.00005)` = FLOOR(-50.00005) | fields `FLOOR(0)`, `FLOOR(50.00005)`, `FLOOR(-50.00005)` fetched rows / total rows = 1/1 +------------+-------------------+--------------------+ | FLOOR(0) | FLOOR(50.00005) | FLOOR(-50.00005) | |------------+-------------------+--------------------| | 0 | 50 | -51 | +------------+-------------------+--------------------+ os> source=people | eval `FLOOR(3147483647.12345)` = FLOOR(3147483647.12345), `FLOOR(113147483647.12345)` = FLOOR(113147483647.12345), `FLOOR(3147483647.00001)` = FLOOR(3147483647.00001) | fields `FLOOR(3147483647.12345)`, `FLOOR(113147483647.12345)`, `FLOOR(3147483647.00001)` fetched rows / total rows = 1/1 +---------------------------+-----------------------------+---------------------------+ | FLOOR(3147483647.12345) | FLOOR(113147483647.12345) | FLOOR(3147483647.00001) | |---------------------------+-----------------------------+---------------------------| | 3147483647 | 113147483647 | 3147483647 | +---------------------------+-----------------------------+---------------------------+ os> source=people | eval `FLOOR(282474973688888.022)` = FLOOR(282474973688888.022), `FLOOR(9223372036854775807.022)` = FLOOR(9223372036854775807.022), `FLOOR(9223372036854775807.0000001)` = FLOOR(9223372036854775807.0000001) | fields `FLOOR(282474973688888.022)`, `FLOOR(9223372036854775807.022)`, `FLOOR(9223372036854775807.0000001)` fetched rows / total rows = 1/1 +------------------------------+----------------------------------+--------------------------------------+ | FLOOR(282474973688888.022) | FLOOR(9223372036854775807.022) | FLOOR(9223372036854775807.0000001) | |------------------------------+----------------------------------+--------------------------------------| | 282474973688888 | 9223372036854775807 | 9223372036854775807 | +------------------------------+----------------------------------+--------------------------------------+
LN
Usage: LN(x)
returns
the natural logarithm of x.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE
Example:
os> source=people | eval `LN(2)` = LN(2) | fields `LN(2)` fetched rows / total rows = 1/1 +--------------------+ | LN(2) | |--------------------| | 0.6931471805599453 | +--------------------+
LOG
Usage: LOG(x)
returns
the natural logarithm of x that is the base e logarithm of the x. log(B, x)
is equivalent to log(x)/log(B).
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE
Example:
os> source=people | eval `LOG(2)` = LOG(2), `LOG(2, 8)` = LOG(2, 8) | fields `LOG(2)`, `LOG(2, 8)` fetched rows / total rows = 1/1 +--------------------+-------------+ | LOG(2) | LOG(2, 8) | |--------------------+-------------| | 0.6931471805599453 | 3.0 | +--------------------+-------------+
LOG2
Usage: LOG2(x)
is
equivalent to log(x)
/log(2)
.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE
Example:
os> source=people | eval `LOG2(8)` = LOG2(8) | fields `LOG2(8)` fetched rows / total rows = 1/1 +-----------+ | LOG2(8) | |-----------| | 3.0 | +-----------+
LOG10
Usage: LOG10(x)
is
equivalent to log(x)
/log(10)
.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE
Example:
os> source=people | eval `LOG10(100)` = LOG10(100) | fields `LOG10(100)` fetched rows / total rows = 1/1 +--------------+ | LOG10(100) | |--------------| | 2.0 | +--------------+
MOD
Usage: MOD(n, m)
calculates the remainder of the number n divided by m.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: Wider type between types of n and m if m is nonzero value. If m equals to 0, then returns NULL.
Example:
os> source=people | eval `MOD(3, 2)` = MOD(3, 2), `MOD(3.1, 2)` = MOD(3.1, 2) | fields `MOD(3, 2)`, `MOD(3.1, 2)` fetched rows / total rows = 1/1 +-------------+---------------+ | MOD(3, 2) | MOD(3.1, 2) | |-------------+---------------| | 1 | 1.1 | +-------------+---------------+
PI
Usage: PI()
returns
the constant pi.
Return type: DOUBLE
Example:
os> source=people | eval `PI()` = PI() | fields `PI()` fetched rows / total rows = 1/1 +-------------------+ | PI() | |-------------------| | 3.141592653589793 | +-------------------+
POW
Usage: POW(x, y)
calculates the value of x raised to the power of y. Bad inputs return a
NULL
result.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE
Synonyms: POWER(_,
_)
Example:
os> source=people | eval `POW(3, 2)` = POW(3, 2), `POW(-3, 2)` = POW(-3, 2), `POW(3, -2)` = POW(3, -2) | fields `POW(3, 2)`, `POW(-3, 2)`, `POW(3, -2)` fetched rows / total rows = 1/1 +-------------+--------------+--------------------+ | POW(3, 2) | POW(-3, 2) | POW(3, -2) | |-------------+--------------+--------------------| | 9.0 | 9.0 | 0.1111111111111111 | +-------------+--------------+--------------------+
POWER
Usage: POWER(x, y)
calculates the value of x raised to the power of y. Bad inputs return a
NULL
result.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE
Synonyms: POW(_,
_)
Example:
os> source=people | eval `POWER(3, 2)` = POWER(3, 2), `POWER(-3, 2)` = POWER(-3, 2), `POWER(3, -2)` = POWER(3, -2) | fields `POWER(3, 2)`, `POWER(-3, 2)`, `POWER(3, -2)` fetched rows / total rows = 1/1 +---------------+----------------+--------------------+ | POWER(3, 2) | POWER(-3, 2) | POWER(3, -2) | |---------------+----------------+--------------------| | 9.0 | 9.0 | 0.1111111111111111 | +---------------+----------------+--------------------+
RADIANS
Usage: RADIANS(x)
converts x from degrees to radians.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE
Example:
os> source=people | eval `RADIANS(90)` = RADIANS(90) | fields `RADIANS(90)` fetched rows / total rows = 1/1 +--------------------+ | RADIANS(90) | |--------------------| | 1.5707963267948966 | +--------------------+
RAND
Usage:
RAND()
/RAND(N)
returns a random floating-point
value in the range 0 <= value < 1.0. If you specify integer N, the
function initializes the seed before execution. One implication of this
behavior is that with an identical argument N, rand(N)
returns
the same value each time, producing a repeatable sequence of column
values.
Argument type: INTEGER
Return type: FLOAT
Example:
os> source=people | eval `RAND(3)` = RAND(3) | fields `RAND(3)` fetched rows / total rows = 1/1 +------------+ | RAND(3) | |------------| | 0.73105735 | +------------+
ROUND
Usage: ROUND(x, d)
rounds the argument x to d decimal places. If you don't specify d, it
defaults to 0.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type map:
(INTEGER/LONG [,INTEGER]) -> LONG
(FLOAT/DOUBLE [,INTEGER]) -> LONG
Example:
os> source=people | eval `ROUND(12.34)` = ROUND(12.34), `ROUND(12.34, 1)` = ROUND(12.34, 1), `ROUND(12.34, -1)` = ROUND(12.34, -1), `ROUND(12, 1)` = ROUND(12, 1) | fields `ROUND(12.34)`, `ROUND(12.34, 1)`, `ROUND(12.34, -1)`, `ROUND(12, 1)` fetched rows / total rows = 1/1 +----------------+-------------------+--------------------+----------------+ | ROUND(12.34) | ROUND(12.34, 1) | ROUND(12.34, -1) | ROUND(12, 1) | |----------------+-------------------+--------------------+----------------| | 12.0 | 12.3 | 10.0 | 12 | +----------------+-------------------+--------------------+----------------+
SIGN
Usage: SIGN
returns
the sign of the argument as -1, 0, or 1, depending on whether the number is
negative, zero, or positive.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: INTEGER
Example:
os> source=people | eval `SIGN(1)` = SIGN(1), `SIGN(0)` = SIGN(0), `SIGN(-1.1)` = SIGN(-1.1) | fields `SIGN(1)`, `SIGN(0)`, `SIGN(-1.1)` fetched rows / total rows = 1/1 +-----------+-----------+--------------+ | SIGN(1) | SIGN(0) | SIGN(-1.1) | |-----------+-----------+--------------| | 1 | 0 | -1 | +-----------+-----------+--------------+
SIN
Usage: sin(x)
calculates the sine of x, where x is given in radians.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type: DOUBLE
Example:
os> source=people | eval `SIN(0)` = SIN(0) | fields `SIN(0)` fetched rows / total rows = 1/1 +----------+ | SIN(0) | |----------| | 0.0 | +----------+
SQRT
Usage: SQRT
calculates the square root of a non-negative number.
Argument type: INTEGER/LONG/FLOAT/DOUBLE
Return type map:
(Non-negative) INTEGER/LONG/FLOAT/DOUBLE -> DOUBLE
(Negative) INTEGER/LONG/FLOAT/DOUBLE -> NULL
Example:
os> source=people | eval `SQRT(4)` = SQRT(4), `SQRT(4.41)` = SQRT(4.41) | fields `SQRT(4)`, `SQRT(4.41)` fetched rows / total rows = 1/1 +-----------+--------------+ | SQRT(4) | SQRT(4.41) | |-----------+--------------| | 2.0 | 2.1 | +-----------+--------------+