Function assert_fields_eq

datafusion/core/src/test/mod.rs:204–212

(plan: &LogicalPlan, expected: &[&str])

}

pub fn assert_fields_eq(plan: &LogicalPlan, expected: &[&str]) {
    let actual: Vec<String> = plan
        .schema()
        .fields()
        .iter()
        .map(|f| f.name().clone())
        .collect();
    assert_eq!(actual, expected);
}

/// Returns the column names on the schema
pub fn columns(schema: &Schema) -> Vec<String> {