Enum AlterTableAction 

pub enum AlterTableAction {
    AddColumn {
        column: ColumnDef,
        if_not_exists: bool,
    },
    AddKeyConstraint {
        constraint: TableKeyConstraint,
    },
    DropColumn {
        name: String,
        if_exists: bool,
        cascade: bool,
    },
    RenameColumn {
        from: String,
        to: String,
    },
    RenameTable {
        to: String,
    },
    SetDefault {
        name: String,
        default: Expr,
    },
    DropDefault {
        name: String,
    },
    SetExpression {
        name: String,
        expression: Expr,
    },
    DropExpression {
        name: String,
    },
    SetNotNull {
        name: String,
    },
    DropNotNull {
        name: String,
    },
    AlterColumnType {
        name: String,
        ty: ColumnType,
        using: Option<Expr>,
    },
}

Variants

AddColumn

Fields

column: ColumnDef

if_not_exists: bool

AddKeyConstraint

Fields

constraint: TableKeyConstraint

DropColumn

Fields

name: String

if_exists: bool

cascade: bool

RenameColumn

Fields

from: String

to: String

RenameTable

Fields

to: String

SetDefault

Fields

name: String

default: Expr

DropDefault

Fields

name: String

SetExpression

Fields

name: String

expression: Expr

DropExpression

Fields

name: String

SetNotNull

Fields

name: String

DropNotNull

Fields

name: String

AlterColumnType

Fields

name: String

ty: ColumnType

using: Option<Expr>

Trait Implementations

impl Clone for AlterTableAction

fn clone(&self) -> AlterTableAction

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AlterTableAction

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for AlterTableAction

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for AlterTableAction

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

where __S: Serializer,

Serialize this value into the given Serde serializer.