Enum parquet2::schema::FieldRepetitionType [−][src]
pub enum FieldRepetitionType { Required, Optional, Repeated, }
Expand description
Representation of Schemas
Variants
This field is required (can not be null) and each record has exactly 1 value.
The field is optional (can be null) and each record has 0 or 1 values.
The field is repeated and can contain 0 or more values
Implementations
pub fn read_from_in_protocol(
i_prot: &mut dyn TInputProtocol
) -> Result<FieldRepetitionType, Error>
Trait Implementations
This method returns an ordering between self
and other
values if one exists. Read more
This method tests less than (for self
and other
) and is used by the <
operator. Read more
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
Auto Trait Implementations
impl RefUnwindSafe for FieldRepetitionType
impl Send for FieldRepetitionType
impl Sync for FieldRepetitionType
impl Unpin for FieldRepetitionType
impl UnwindSafe for FieldRepetitionType
Blanket Implementations
Mutably borrows from an owned value. Read more