Struct ColumnInfo 

pub struct ColumnInfo {

    pub name: String,
    pub db_type: String,
    pub normalized_type: NormalizedType,
    pub nullable: bool,
    pub default: Option<String>,
    pub auto_increment: bool,
    pub is_primary_key: bool,
    pub is_unique: bool,
    pub comment: Option<String>,
    pub max_length: Option<i32>,
    pub precision: Option<i32>,
    pub scale: Option<i32>,
    pub enum_name: Option<String>,
}

Information about a column.

Fields

name: String

Column name.

db_type: String

Database-specific type name.

normalized_type: NormalizedType

Normalized type for schema generation.

nullable: bool

Whether the column is nullable.

default: Option<String>

Default value expression.

auto_increment: bool

Whether this is an auto-increment/serial column.

is_primary_key: bool

Whether this is part of primary key.

is_unique: bool

Whether this column has a unique constraint.

comment: Option<String>

Column comment.

max_length: Option<i32>

Character maximum length (for varchar, etc.).

precision: Option<i32>

Numeric precision.

scale: Option<i32>

Numeric scale.

enum_name: Option<String>

Enum type name (if applicable).

Trait Implementations

impl Clone for ColumnInfo

fn clone(&self) -> ColumnInfo

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnInfo

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

Formats the value using the given formatter.

impl Default for ColumnInfo

fn default() -> ColumnInfo

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ColumnInfo

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ColumnInfo

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

where __S: Serializer,

Serialize this value into the given Serde serializer.