SchemaManager

risingwave_meta_model_migration

Struct SchemaManager 

pub struct SchemaManager<'c> {
    conn: SchemaManagerConnection<'c>,
}
Expand description

Helper struct for writing migration scripts in migration file

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§conn: SchemaManagerConnection<'c>

Implementations§

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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>

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impl<'c> SchemaManager<'c>

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>

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impl<'c> SchemaManager<'c>

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>

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impl<'c> SchemaManager<'c>

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>,

Auto Trait Implementations§

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impl<'c> Freeze for SchemaManager<'c>

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impl<'c> !RefUnwindSafe for SchemaManager<'c>

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impl<'c> Send for SchemaManager<'c>

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impl<'c> Sync for SchemaManager<'c>

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impl<'c> Unpin for SchemaManager<'c>

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impl<'c> !UnwindSafe for SchemaManager<'c>

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