Struct SchemaBuilder 

pub struct SchemaBuilder { /* private fields */ }

Builder for multiple schema operations.

Implementations

impl SchemaBuilder

pub fn new() -> Self

Create a new schema builder.

pub fn create_table<M: Model>(self) -> Self

Add a CREATE TABLE statement.

For single table inheritance child models, this emits ALTER TABLE .. ADD COLUMN .. statements for the child-specific fields, since the child’s logical table is the parent’s physical table.

pub fn raw(self, sql: impl Into<String>) -> Self

Add a raw SQL statement.

pub fn create_index( self, name: &str, table: &str, columns: &[&str], unique: bool, ) -> Self

Add an index creation statement.

pub fn build(self) -> Vec<String>

Get all SQL statements.

Trait Implementations

impl Debug for SchemaBuilder

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

Formats the value using the given formatter.

impl Default for SchemaBuilder

fn default() -> SchemaBuilder

Returns the “default value” for a type.