alamb commented on code in PR #4357:
URL: https://github.com/apache/arrow-datafusion/pull/4357#discussion_r1032786084
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datafusion/expr/src/expr_fn.rs:
##########
@@ -345,136 +332,181 @@ macro_rules! nary_scalar_expr {
// generate methods for creating the supported unary/binary expressions
// math functions
-unary_scalar_expr!(Sqrt, sqrt, "square root of a number");
-unary_scalar_expr!(Sin, sin, "sine");
-unary_scalar_expr!(Cos, cos, "cosine");
-unary_scalar_expr!(Tan, tan, "tangent");
-unary_scalar_expr!(Asin, asin, "inverse sine");
-unary_scalar_expr!(Acos, acos, "inverse cosine");
-unary_scalar_expr!(Atan, atan, "inverse tangent");
-unary_scalar_expr!(
+scalar_expr!(Sqrt, sqrt, num, "square root of a number");
+scalar_expr!(Sin, sin, num, "sine");
+scalar_expr!(Cos, cos, num, "cosine");
+scalar_expr!(Tan, tan, num, "tangent");
+scalar_expr!(Asin, asin, num, "inverse sine");
+scalar_expr!(Acos, acos, num, "inverse cosine");
+scalar_expr!(Atan, atan, num, "inverse tangent");
+scalar_expr!(
Floor,
floor,
+ num,
"nearest integer less than or equal to argument"
);
-unary_scalar_expr!(
+scalar_expr!(
Ceil,
ceil,
+ num,
"nearest integer greater than or equal to argument"
);
-unary_scalar_expr!(Round, round, "round to nearest integer");
-unary_scalar_expr!(Trunc, trunc, "truncate toward zero");
-unary_scalar_expr!(Abs, abs, "absolute value");
-unary_scalar_expr!(Signum, signum, "sign of the argument (-1, 0, +1) ");
-unary_scalar_expr!(Exp, exp, "exponential");
-unary_scalar_expr!(Log2, log2, "base 2 logarithm");
-unary_scalar_expr!(Log10, log10, "base 10 logarithm");
-unary_scalar_expr!(Ln, ln, "natural logarithm");
-scalar_expr!(NullIf, nullif, arg_1, arg_2);
-scalar_expr!(Power, power, base, exponent);
-scalar_expr!(Atan2, atan2, y, x);
+scalar_expr!(Round, round, num, "round to nearest integer");
+scalar_expr!(Trunc, trunc, num, "truncate toward zero");
+scalar_expr!(Abs, abs, num, "absolute value");
+scalar_expr!(Signum, signum, num, "sign of the argument (-1, 0, +1) ");
+scalar_expr!(Exp, exp, num, "exponential");
+scalar_expr!(Log2, log2, num, "base 2 logarithm");
+scalar_expr!(Log10, log10, num, "base 10 logarithm");
+scalar_expr!(Ln, ln, num, "natural logarithm");
+scalar_expr!(NullIf, nullif, arg_1 arg_2, "returns NULL if value1 equals
value2; otherwise it returns value1. This can be used to perform the inverse
operation of the COALESCE expression.");
Review Comment:
👍
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