Struct ColumnSchema 

pub struct ColumnSchema {
    pub name: String,
    pub logical_type: LogicalType,
    pub nullable: bool,
    pub fixed_len: Option<u32>,
}

セグメント内のカラムスキーマ。

Fields

name: String

カラム名。

logical_type: LogicalType

論理型。

nullable: bool

NULL 許容フラグ。

fixed_len: Option<u32>

固定長型の場合のバイト長。

Trait Implementations

impl Clone for ColumnSchema

fn clone(&self) -> ColumnSchema

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnSchema

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ColumnSchema

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for ColumnSchema

impl PartialEq for ColumnSchema

fn eq(&self, other: &ColumnSchema) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for ColumnSchema

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ColumnSchema