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 in datafusion::functions_aggregate::expr_fn - Rust
[go: Go Back, main page]

Function datafusion::functions_aggregate::expr_fn::count

source ยท 
pub fn count(expr: Expr) -> Expr
Expand description

Count the number of non-null values in the column