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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | 400x 400x 400x 400x 10848x 10848x 10848x 16258x 15800x 15800x 458x 15800x 3173x 15800x 684x 15800x 382x 15800x 400x | import type { Document } from '../bson';
import type { Db } from '../db';
import { type TODO_NODE_3286 } from '../mongo_types';
import type { Server } from '../sdam/server';
import type { ClientSession } from '../sessions';
import { type TimeoutContext } from '../timeout';
import { maxWireVersion, MongoDBNamespace } from '../utils';
import { CommandOperation, type CommandOperationOptions } from './command';
import { Aspect, defineAspects } from './operation';
/** @public */
export interface ListDatabasesResult {
databases: ({ name: string; sizeOnDisk?: number; empty?: boolean } & Document)[];
totalSize?: number;
totalSizeMb?: number;
ok: 1 | 0;
}
/** @public */
export interface ListDatabasesOptions extends CommandOperationOptions {
/** A query predicate that determines which databases are listed */
filter?: Document;
/** A flag to indicate whether the command should return just the database names, or return both database names and size information */
nameOnly?: boolean;
/** A flag that determines which databases are returned based on the user privileges when access control is enabled */
authorizedDatabases?: boolean;
}
/** @internal */
export class ListDatabasesOperation extends CommandOperation<ListDatabasesResult> {
override options: ListDatabasesOptions;
constructor(db: Db, options?: ListDatabasesOptions) {
super(db, options);
this.options = options ?? {};
this.ns = new MongoDBNamespace('admin', '$cmd');
}
override get commandName() {
return 'listDatabases' as const;
}
override async execute(
server: Server,
session: ClientSession | undefined,
timeoutContext: TimeoutContext
): Promise<ListDatabasesResult> {
const cmd: Document = { listDatabases: 1 };
if (typeof this.options.nameOnly === 'boolean') {
cmd.nameOnly = this.options.nameOnly;
}
if (this.options.filter) {
cmd.filter = this.options.filter;
}
if (typeof this.options.authorizedDatabases === 'boolean') {
cmd.authorizedDatabases = this.options.authorizedDatabases;
}
// we check for undefined specifically here to allow falsy values
// eslint-disable-next-line no-restricted-syntax
if (maxWireVersion(server) >= 9 && this.options.comment !== undefined) {
cmd.comment = this.options.comment;
}
return await (super.executeCommand(
server,
session,
cmd,
timeoutContext
) as Promise<TODO_NODE_3286>);
}
}
defineAspects(ListDatabasesOperation, [Aspect.READ_OPERATION, Aspect.RETRYABLE]);
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