Enum SchemaChange 

pub enum SchemaChange {
    CreateTable {
        table: String,
        columns: Vec<TableColumn>,
    },
    AddColumn {
        table: String,
        column: String,
        column_type: String,
        default: Option<String>,
        foreign_key: Option<ForeignKey>,
    },
    AddIndex {
        table: String,
        index: String,
        columns: Vec<String>,
    },
    AddForeignKey {
        table: String,
        column: String,
        foreign_table: String,
        foreign_column: String,
    },
}

Schema change operations

Variants

CreateTable

Create a new table

Fields

table: String

columns: Vec<TableColumn>

AddColumn

Add a column to an existing table

Fields

table: String

column: String

column_type: String

default: Option<String>

foreign_key: Option<ForeignKey>

AddIndex

Add an index

Fields

table: String

index: String

columns: Vec<String>

AddForeignKey

Add a foreign key constraint

Fields

table: String

column: String

foreign_table: String

foreign_column: String

Trait Implementations

impl Clone for SchemaChange

fn clone(&self) -> SchemaChange

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SchemaChange

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

Formats the value using the given formatter.