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concat_ws in datafusion_functions::string::expr_fn - Rust
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datafusion_functions::string::expr_fn

Function concat_ws

Source 
pub fn concat_ws(delimiter: Expr, args: Vec<Expr>) -> Expr
Expand description

Concatenates all but the first argument, with separators. The first argument is used as the separator string, and should not be NULL. Other NULL arguments are ignored.