Struct AddColumn 

pub struct AddColumn {
    pub table: String,
    pub column: Column,
    pub up: Option<Transformation>,
}

Fields

table: String

column: Column

up: Option<Transformation>

Trait Implementations

impl Action for AddColumn

fn describe(&self) -> String

fn run( &self, ctx: &MigrationContext, db: &mut dyn Conn, schema: &Schema, ) -> Result<()>

fn complete<'a>( &self, ctx: &MigrationContext, db: &'a mut dyn Conn, ) -> Result<Option<Transaction<'a>>>

fn update_schema(&self, ctx: &MigrationContext, schema: &mut Schema)

fn abort(&self, ctx: &MigrationContext, db: &mut dyn Conn) -> Result<()>

fn validate_sql(&self) -> Vec<(String, String, String)>

Validate user-provided SQL. Returns list of (field_name, sql, error_message).

impl Debug for AddColumn

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for AddColumn

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for AddColumn

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

where __S: Serializer,

Serialize this value into the given Serde serializer.