Function get_signed_integer

datafusion/functions-window/src/utils.rs:24–34

(value: &ScalarValue)

use std::sync::Arc;

pub(crate) fn get_signed_integer(value: &ScalarValue) -> Result<i64> {
    if value.is_null() {
        return Ok(0);
    }

    if !value.data_type().is_integer() {
        return exec_err!("Expected an integer value");
    }

    value.cast_to(&DataType::Int64)?.try_into()
}

pub(crate) fn get_scalar_value_from_args(
    args: &[Arc<dyn PhysicalExpr>],