Struct ColumnMetadata 

pub struct ColumnMetadata {
    pub column_name: Option<String>,
    pub is_signed: Option<bool>,
    pub charset_collation: Option<u32>,
    pub enum_string_values: Option<Vec<String>>,
    pub set_string_values: Option<Vec<String>>,
    pub geometry_type: Option<u32>,
    pub is_simple_primary_key: Option<bool>,
    pub primary_key_prefix: Option<u32>,
    pub enum_and_set_charset_collation: Option<u32>,
    pub is_visible: Option<bool>,
}

Contains metadata for a single table column.

Fields

column_name: Option<String>

Column name.

is_signed: Option<bool>

Signedness of numeric column.

charset_collation: Option<u32>

Charset collation for character column.

enum_string_values: Option<Vec<String>>

String values for ENUM column.

set_string_values: Option<Vec<String>>

String values for SET column.

geometry_type: Option<u32>

Real type for geometry column.

is_simple_primary_key: Option<bool>

Whether this column is a simple primary key.

primary_key_prefix: Option<u32>

Primary key prefix length if this is a prefixed primary key.

enum_and_set_charset_collation: Option<u32>

Charset collation for ENUM/SET column.

is_visible: Option<bool>

Column visibility (for MySQL 8.0+ invisible columns).

Trait Implementations

impl Clone for ColumnMetadata

fn clone(&self) -> ColumnMetadata

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnMetadata

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

Formats the value using the given formatter.

impl Default for ColumnMetadata

fn default() -> ColumnMetadata

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ColumnMetadata

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ColumnMetadata

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

where __S: Serializer,

Serialize this value into the given Serde serializer.