Enum dataflow_types::ColumnSpec [−][src]
Expand description
Determines the RelationDesc and decoding of CSV objects
Variants
Count(usize)
Tuple Fields
0: usize
The first row is not a header row, and all columns get default names like columnN
.
Header
The first row is a header row and therefore does become data
Each of the values in names
becomes the default name of a column in the dataflow.
Implementations
Trait Implementations
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
Auto Trait Implementations
impl RefUnwindSafe for ColumnSpec
impl Send for ColumnSpec
impl Sync for ColumnSpec
impl Unpin for ColumnSpec
impl UnwindSafe for ColumnSpec
Blanket Implementations
Mutably borrows from an owned value. Read more
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more