Struct ColumnDef 

pub struct ColumnDef {
    pub name: String,
    pub typ: String,
    pub is_array: bool,
    pub type_params: Option<Vec<String>>,
    pub nullable: bool,
    pub primary_key: bool,
    pub unique: bool,
    pub references: Option<String>,
    pub default_value: Option<String>,
    pub check: Option<String>,
    pub is_serial: bool,
}

Column definition parsed from a .qail schema file.

Fields

name: String

Column name.

typ: String

SQL data type (lowercased).

is_array: bool

Type is an array (e.g., text[], uuid[]).

type_params: Option<Vec<String>>

Type parameters (e.g., varchar(255) → Some(vec![“255”]), decimal(10,2) → Some(vec![“10”, “2”])).

nullable: bool

Whether the column accepts NULL.

primary_key: bool

Whether the column is a primary key.

unique: bool

Whether the column has a UNIQUE constraint.

references: Option<String>

Foreign key reference (e.g. “users(id)”).

default_value: Option<String>

Default value expression.

check: Option<String>

Check constraint expression

is_serial: bool

Is this a serial/auto-increment type

Trait Implementations

impl Clone for ColumnDef

fn clone(&self) -> ColumnDef

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnDef

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

Formats the value using the given formatter.

impl Default for ColumnDef

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ColumnDef

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ColumnDef

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

where __S: Serializer,

Serialize this value into the given Serde serializer.