Function build_is_not_distinct_from

datafusion/pruning/src/pruning_predicate.rs:1786–1804

(
    expr_builder: &mut PruningExpressionBuilder,
)

}

fn build_is_not_distinct_from(
    expr_builder: &mut PruningExpressionBuilder,
) -> Result<Arc<dyn PhysicalExpr>> {
    let scalar_expr = Arc::clone(expr_builder.scalar_expr());

    Ok(or_expr(
        and_expr(
            Arc::new(phys_expr::IsNullExpr::new(Arc::clone(&scalar_expr))),
            column_has_nulls_expr(expr_builder)?,
        ),
        and_expr(
            Arc::new(phys_expr::IsNotNullExpr::new(scalar_expr)),
            and_expr(
                column_has_non_nulls_expr(expr_builder)?,
                build_eq_statistics_expr(expr_builder)?,
            ),
        ),
    ))
}

/// returns the string literal of the scalar value if it is a string
fn unpack_string(s: &ScalarValue) -> Option<&str> {