Struct SchemaBuilder 

pub struct SchemaBuilder { /* private fields */ }

Basic schema operations for migrations

Implementations

impl SchemaBuilder

pub fn new() -> Self

Create a new schema builder

pub fn create_table<F>(&mut self, table_name: &str, callback: F) -> &mut Self

where F: FnOnce(&mut TableBuilder),

Create a new table

pub fn drop_table(&mut self, table_name: &str) -> &mut Self

Drop a table

pub fn add_column( &mut self, table_name: &str, column_name: &str, column_type: &str, ) -> &mut Self

Add a column to existing table

pub fn drop_column(&mut self, table_name: &str, column_name: &str) -> &mut Self

Drop a column from existing table

pub fn create_index( &mut self, table_name: &str, column_names: &[&str], index_name: Option<&str>, ) -> &mut Self

Create an index

pub fn drop_index(&mut self, index_name: &str) -> &mut Self

Drop an index

pub fn to_sql(&self) -> Vec<String>

Get all SQL statements

pub fn build(&self) -> String

Execute all statements as a single SQL string

Trait Implementations

impl Default for SchemaBuilder

fn default() -> Self

Returns the “default value” for a type.