Enum datafusion::execution::datasource::DataSourceMeta

pub enum DataSourceMeta {
    CsvFile {
        filename: String,
        schema: Rc<Schema>,
        has_header: bool,
        projection: Option<Vec<usize>>,
    },
    ParquetFile {
        filename: String,
        schema: Rc<Schema>,
        projection: Option<Vec<usize>>,
    },
}

Variants

CsvFile

Represents a CSV file with a provided schema

Fields of CsvFile

filename: Stringschema: Rc<Schema>has_header: boolprojection: Option<Vec<usize>>

ParquetFile

Represents a Parquet file that contains schema information

Fields of ParquetFile

filename: Stringschema: Rc<Schema>projection: Option<Vec<usize>>

Trait Implementations

impl Clone for DataSourceMeta

fn clone(&self) -> DataSourceMeta

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'de> Deserialize<'de> for DataSourceMeta

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where     __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for DataSourceMeta

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error> where     __S: Serializer,

Serialize this value into the given Serde serializer.