Method createIndex

src/collection.ts:636–651

* Creates an index on the db and collection collection. * * @param indexSpec - The field name or index specification to create an index for * @param options - Optional settings for the command * * @example * ```ts * const collection = client.db('foo').collection('bar'); *

(
    indexSpec: IndexSpecification,
    options?: CreateIndexesOptions
  )

   * ```
   */
  async createIndex(
    indexSpec: IndexSpecification,
    options?: CreateIndexesOptions
  ): Promise<string> {
    const indexes = await executeOperation(
      this.client,
      CreateIndexesOperation.fromIndexSpecification(
        this,
        this.collectionName,
        indexSpec,
        resolveOptions(this, options)
      )
    );

    return indexes[0];
  }

  /**
   * Creates multiple indexes in the collection, this method is only supported for