datafusion-functions 37.0.0

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//   http://www.apache.org/licenses/LICENSE-2.0
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//! "unicode" DataFusion functions

use std::sync::Arc;

use datafusion_expr::ScalarUDF;

mod character_length;

// create UDFs
make_udf_function!(
    character_length::CharacterLengthFunc,
    CHARACTER_LENGTH,
    character_length
);

pub mod expr_fn {
    use datafusion_expr::Expr;

    #[doc = "the number of characters in the `string`"]
    pub fn char_length(string: Expr) -> Expr {
        character_length(string)
    }

    #[doc = "the number of characters in the `string`"]
    pub fn character_length(string: Expr) -> Expr {
        super::character_length().call(vec![string])
    }

    #[doc = "the number of characters in the `string`"]
    pub fn length(string: Expr) -> Expr {
        character_length(string)
    }
}

///   Return a list of all functions in this package
pub fn functions() -> Vec<Arc<ScalarUDF>> {
    vec![character_length()]
}