Struct SchemaManager

pub struct SchemaManager<'c> { /* private fields */ }

Helper struct for writing migration scripts in migration file

Implementations

impl<'c> SchemaManager<'c>

pub fn new<T>(conn: T) -> SchemaManager<'c>

where T: IntoSchemaManagerConnection<'c>,

pub async fn exec_stmt<S>(&self, stmt: S) -> Result<(), DbErr>

where S: StatementBuilder,

pub fn get_database_backend(&self) -> DatabaseBackend

pub fn get_connection(&self) -> &SchemaManagerConnection<'c>

impl SchemaManager<'_>

Schema Creation

pub async fn create_table( &self, stmt: TableCreateStatement, ) -> Result<(), DbErr>

pub async fn create_index( &self, stmt: IndexCreateStatement, ) -> Result<(), DbErr>

pub async fn create_foreign_key( &self, stmt: ForeignKeyCreateStatement, ) -> Result<(), DbErr>

pub async fn create_type(&self, stmt: TypeCreateStatement) -> Result<(), DbErr>

impl SchemaManager<'_>

Schema Mutation

pub async fn alter_table(&self, stmt: TableAlterStatement) -> Result<(), DbErr>

pub async fn drop_table(&self, stmt: TableDropStatement) -> Result<(), DbErr>

pub async fn rename_table( &self, stmt: TableRenameStatement, ) -> Result<(), DbErr>

pub async fn truncate_table( &self, stmt: TableTruncateStatement, ) -> Result<(), DbErr>

pub async fn drop_index(&self, stmt: IndexDropStatement) -> Result<(), DbErr>

pub async fn drop_foreign_key( &self, stmt: ForeignKeyDropStatement, ) -> Result<(), DbErr>

pub async fn alter_type(&self, stmt: TypeAlterStatement) -> Result<(), DbErr>

pub async fn drop_type(&self, stmt: TypeDropStatement) -> Result<(), DbErr>

impl SchemaManager<'_>

Schema Inspection.

pub async fn has_table<T>(&self, table: T) -> Result<bool, DbErr>

where T: AsRef<str>,

pub async fn has_column<T, C>(&self, table: T, column: C) -> Result<bool, DbErr>

where T: AsRef<str>, C: AsRef<str>,

pub async fn has_index<T, I>(&self, table: T, index: I) -> Result<bool, DbErr>

where T: AsRef<str>, I: AsRef<str>,