Function apply_migration 

pub async fn apply_migration(
    dialect: DBImpl,
    migration: &Migration,
    db: &Database,
    last_migration_table_name: &str,
    do_log: bool,
) -> Result<()>

Helper method to apply one migration. Writes also to last migration table.

• migration: &Migration: Reference to the migration to apply.
• db: &Database: Database to apply the migration onto.
• last_migration_table_name: &str: Name of the table to insert successful applied migrations into.