Function plan_migrations 

pub fn plan_migrations(
    credentials: &Credentials,
    dialect: Dialect,
    migrations_dir: &Path,
    migrations_table: &str,
    migrations_schema: &str,
) -> Result<MigrationPlan, CliError>

Execute migrations against the database

This is the main entry point that dispatches to the appropriate driver based on the credentials type.

Errors

Returns CliError if no compiled driver matches the credentials, if connecting to the database fails, or if reading the migration tracking table or on-disk migration files fails.