Method DBForDatabase

core/api.go:1597–1613

DBForDatabase returns the read-only connection pool and database type for `database`. Empty name resolves to the default database. Do not close the pool.

(database string)

// DBForDatabase returns the read-only connection pool and database type for
// `database`. Empty name resolves to the default database. Do not close the pool.
func (g *GraphJin) DBForDatabase(database string) (*sql.DB, string, error) {
	gj, err := g.getEngine()
	if err != nil {
		return nil, "", err
	}
	ctx, ok := gj.GetDatabase(database)
	if !ok || ctx == nil {
		if database == "" {
			return nil, "", fmt.Errorf("no default database configured")
		}
		return nil, "", fmt.Errorf("database %q not configured", database)
	}
	if ctx.db == nil {
		return nil, ctx.dbtype, fmt.Errorf("database %q has no active connection", database)
	}
	return ctx.db, ctx.dbtype, nil
}

// getTables returns tables, optionally filtered by database name.
// With empty database, returns tables from all databases.