Enum TableChange 

pub enum TableChange {
    AddColumn(ColumnDef),
    DropColumn(String),
    ModifyColumn(ColumnDef),
    AddIndex(String, Vec<String>),
    DropIndex(String),
    AddForeignKey {
        columns: Vec<String>,
        reference_table: String,
        reference_columns: Vec<String>,
    },
}

ALTER TABLE 的变更操作

Variants

AddColumn(ColumnDef)

DropColumn(String)

ModifyColumn(ColumnDef)

AddIndex(String, Vec<String>)

DropIndex(String)

AddForeignKey

Fields

columns: Vec<String>

reference_table: String

reference_columns: Vec<String>

Trait Implementations

impl Clone for TableChange

fn clone(&self) -> TableChange

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TableChange

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

Formats the value using the given formatter.