Trait QueryRepository

pub trait QueryRepository {
    // Required methods
    fn create_history_if_not_exists_query(history_table: &str) -> Query;
    fn drop_history_query(history_table: &str) -> Query;
    fn insert_into_history_query(
        history_table: &str,
        applied: &AppliedMigration,
    ) -> Query;
    fn select_star_from_history_query(history_table: &str) -> Query;
    fn upsert_history_query(
        history_table: &str,
        applied: &AppliedMigration,
    ) -> Query;
}

A type that has a library of “administrative” queries that are needed during a migration run.

Required Methods

fn create_history_if_not_exists_query(history_table: &str) -> Query

The query that creates the schema history table or does nothing if it already exists.

fn drop_history_query(history_table: &str) -> Query

The query that drops the history table if requested.

fn insert_into_history_query( history_table: &str, applied: &AppliedMigration, ) -> Query

The query to update the schema history table with an applied migration.

fn select_star_from_history_query(history_table: &str) -> Query

The query to return all rows from the schema history table.

fn upsert_history_query( history_table: &str, applied: &AppliedMigration, ) -> Query

Query to insert or update a record in the history table.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors