ravendb/dist/esm/Documents/Session/IDocumentQueryBaseSingle.d.ts

RavenDB client for Node.js

import { Lazy } from "../Lazy.js";
export interface IDocumentQueryBaseSingle<T extends object> {
    /**
     * Returns first element or throws if sequence is empty.
     */
    first(): Promise<T>;
    /**
     * Returns first element if there's any or null otherwise.
     */
    firstOrNull(): Promise<T | null>;
    /**
     * Returns single element or throws if sequence is empty or contains more than one element.
     */
    single(): Promise<T>;
    /**
     * Returns single element if there's any or null otherwise.
     */
    singleOrNull(): Promise<T | null>;
    /**
     * Gets the total count of records for this query
     */
    count(): Promise<number>;
    /**
     * Gets the total count of records for this query as long
     */
    longCount(): Promise<number>;
    /**
     * Register the query as a lazy query in the session and return a lazy
     * instance that will evaluate the query only when needed.
     */
    lazily(): Lazy<T[]>;
    /**
     * Register the query as a lazy query in the session and return a lazy
     * instance that will evaluate the query only when needed.
     * Also provide a function to execute when the value is evaluated
     */
    lazily(onEval: (list: T[]) => void): Lazy<T[]>;
    /**
     * Checks if the given query matches any records
     */
    any(): Promise<boolean>;
    /**
     * Register the query as a lazy-count query in the session and return a lazy
     * instance that will evaluate the query only when needed.
     */
    countLazily(): Lazy<number>;
}
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