Method createMainAlias

packages/sql/src/query/QueryBuilder.ts:4292–4300

(
    entityName: EntityName<Entity>,
    aliasName: string,
    subQuery?: NativeQueryBuilder | RawQueryFragment,
  )

  }

  private createMainAlias(
    entityName: EntityName<Entity>,
    aliasName: string,
    subQuery?: NativeQueryBuilder | RawQueryFragment,
  ): Alias<Entity> {
    this.#state.mainAlias = this.createAlias(entityName, aliasName, subQuery);
    this.#helper = this.createQueryBuilderHelper();
    return this.#state.mainAlias;
  }

  private fromSubQuery(target: QueryBuilder<Entity>, aliasName?: string): void {
    const { entityName } = target.mainAlias;