Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456
count_distinct in datafusion::prelude - Rust
[go: Go Back, main page]

Function datafusion::prelude::count_distinct

source · [−]
pub fn count_distinct(expr: Expr) -> Expr
Expand description

Create an expression to represent the count(distinct) aggregate function