datafusion_spark/function/math/
mod.rs1pub mod abs;
19pub mod bin;
20pub mod ceil;
21pub mod expm1;
22pub mod factorial;
23pub mod floor;
24pub mod hex;
25pub mod modulus;
26pub mod negative;
27pub mod rint;
28pub mod round;
29pub mod trigonometry;
30pub mod unhex;
31pub mod width_bucket;
32
33use datafusion_expr::ScalarUDF;
34use datafusion_functions::make_udf_function;
35use std::sync::Arc;
36
37make_udf_function!(abs::SparkAbs, abs);
38make_udf_function!(ceil::SparkCeil, ceil);
39make_udf_function!(expm1::SparkExpm1, expm1);
40make_udf_function!(factorial::SparkFactorial, factorial);
41make_udf_function!(floor::SparkFloor, floor);
42make_udf_function!(hex::SparkHex, hex);
43make_udf_function!(modulus::SparkMod, modulus);
44make_udf_function!(modulus::SparkPmod, pmod);
45make_udf_function!(rint::SparkRint, rint);
46make_udf_function!(round::SparkRound, round);
47make_udf_function!(unhex::SparkUnhex, unhex);
48make_udf_function!(width_bucket::SparkWidthBucket, width_bucket);
49make_udf_function!(trigonometry::SparkCsc, csc);
50make_udf_function!(trigonometry::SparkSec, sec);
51make_udf_function!(negative::SparkNegative, negative);
52make_udf_function!(bin::SparkBin, bin);
53
54pub mod expr_fn {
55 use datafusion_functions::export_functions;
56
57 export_functions!((abs, "Returns abs(expr)", arg1));
58 export_functions!((ceil, "Returns the ceiling of expr.", arg1));
59 export_functions!((expm1, "Returns exp(expr) - 1 as a Float64.", arg1));
60 export_functions!((
61 factorial,
62 "Returns the factorial of expr. expr is [0..20]. Otherwise, null.",
63 arg1
64 ));
65 export_functions!((floor, "Returns floor of expr.", arg1));
66 export_functions!((hex, "Computes hex value of the given column.", arg1));
67 export_functions!((modulus, "Returns the remainder of division of the first argument by the second argument.", arg1 arg2));
68 export_functions!((pmod, "Returns the positive remainder of division of the first argument by the second argument.", arg1 arg2));
69 export_functions!((
70 rint,
71 "Returns the double value that is closest in value to the argument and is equal to a mathematical integer.",
72 arg1
73 ));
74 export_functions!((
75 round,
76 "Rounds the value of expr to scale decimal places using HALF_UP rounding mode.",
77 arg1 arg2
78 ));
79 export_functions!((unhex, "Converts hexadecimal string to binary.", arg1));
80 export_functions!((width_bucket, "Returns the bucket number into which the value of this expression would fall after being evaluated.", arg1 arg2 arg3 arg4));
81 export_functions!((csc, "Returns the cosecant of expr.", arg1));
82 export_functions!((sec, "Returns the secant of expr.", arg1));
83 export_functions!((
84 negative,
85 "Returns the negation of expr (unary minus).",
86 arg1
87 ));
88 export_functions!((
89 bin,
90 "Returns the string representation of the long value represented in binary.",
91 arg1
92 ));
93}
94
95pub fn functions() -> Vec<Arc<ScalarUDF>> {
96 vec![
97 abs(),
98 ceil(),
99 expm1(),
100 factorial(),
101 floor(),
102 hex(),
103 modulus(),
104 pmod(),
105 rint(),
106 round(),
107 unhex(),
108 width_bucket(),
109 csc(),
110 sec(),
111 negative(),
112 bin(),
113 ]
114}