datafusion_functions_aggregate

Macro make_udaf_expr_and_func

Source 
macro_rules! make_udaf_expr_and_func {
    ($UDAF:ty, $EXPR_FN:ident, $($arg:ident)*, $DOC:expr, $AGGREGATE_UDF_FN:ident) => { ... };
    ($UDAF:ty, $EXPR_FN:ident, $DOC:expr, $AGGREGATE_UDF_FN:ident) => { ... };
}