Struct ColumnMetadata 

pub struct ColumnMetadata {
    pub name: String,
    pub data_type: String,
    pub nullable: bool,
    pub default_value: Option<String>,
    pub is_auto_increment: bool,
    pub is_unsigned: bool,
    pub enum_values: Option<Vec<String>>,
    pub comment: Option<String>,
}

Metadata for a column

Fields

name: String

Column name

data_type: String

Data type as string (e.g., “BIGINT”, “VARCHAR(255)”)

nullable: bool

Whether the column is nullable

default_value: Option<String>

Default value expression (if any)

is_auto_increment: bool

Whether this column is auto-increment

is_unsigned: bool

Whether this column is unsigned (for numeric types)

enum_values: Option<Vec<String>>

Enum values if this is an ENUM column

comment: Option<String>

Column comment (if any)

Implementations

impl ColumnMetadata

pub fn is_enum(&self) -> bool

Check if this column has an enum type

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<'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.