import { Schema } from "apache-arrow";
import { ViewDescription as NativeViewDescription } from "./native";
/**
 * What a database records about one view.
 *
 * A view holds no rows: it stores the statement that defines it and the
 * schema that statement resolved to, so a reader sees its sources as they
 * are at read time.
 */
export interface ViewDescription {
    /** The view's name within its namespace. */
    name: string;
    /** The namespace holding the view; empty is the root namespace. */
    namespacePath: string[];
    /** The defining query, as the database stores it. */
    query: string;
    /** The database that unqualified table names in {@link query} resolve against. */
    defaultDatabase: string;
    /**
     * The namespace path those unqualified names resolve against; empty is the
     * root namespace.
     *
     * Recorded with the view because it outlives the session that declared it:
     * a reader resolving the query against its own default namespace could read
     * a different table than the view was defined over.
     */
    defaultNamespacePath: string[];
    /** The schema the defining query resolved to when the view was created. */
    schema: Schema;
}
/** Decode the schema the binding hands over as an Arrow IPC file. */
export declare function viewDescriptionFromNative(view: NativeViewDescription): ViewDescription;