src/expr/exists.rs

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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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use datafusion::logical_expr::expr::Exists;
use pyo3::prelude::*;

use super::subquery::PySubquery;

#[pyclass(frozen, name = "Exists", module = "datafusion.expr", subclass)]
#[derive(Clone)]
pub struct PyExists {
    exists: Exists,
}

impl From<Exists> for PyExists {
    fn from(exists: Exists) -> Self {
        PyExists { exists }
    }
}

#[pymethods]
impl PyExists {
    fn subquery(&self) -> PySubquery {
        self.exists.subquery.clone().into()
    }

    fn negated(&self) -> bool {
        self.exists.negated
    }
}