jayzhan211 commented on code in PR #10700:
URL: https://github.com/apache/datafusion/pull/10700#discussion_r1618774900
##########
datafusion/functions/src/macros.rs:
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@@ -59,6 +59,30 @@ macro_rules! export_functions {
};
}
+macro_rules! make_function {
+ // single vector argument (a single argument followed by a comma)
+ ($FUNC:ident, $DOC:expr, $arg:ident,) => {
+ #[doc = $DOC]
+ pub fn $FUNC($arg: Vec<datafusion_expr::Expr>) ->
datafusion_expr::Expr {
+ super::$FUNC().call($arg)
+ }
+ };
+ // variadic arguments (zero or more arguments, without commas)
+ ($FUNC:ident, $DOC:expr, $($arg:ident)*) => {
+ #[doc = $DOC]
+ pub fn $FUNC($($arg: datafusion_expr::Expr),*) ->
datafusion_expr::Expr {
+ super::$FUNC().call(vec![$($arg),*])
+ }
+ };
+ // special to get_field function in datafusion/functions/src/core/mod.rs
+ ($FUNC:ident, $DOC:expr, $arg:ident, $arg2:ident) => {
Review Comment:
Maybe move `functions` out of macro?
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