WITH

Possible structures:

• Array
  • with values:
    • name
    • sub querry
  • nested
• Hash
  • keyword - name
  • value - sub querry

with: [:alias_name, { select: true, from: :users}]
with: [[:alias_name, { select: true, from: :users}],
       [:alias_name_2, { select: {u: [:name, :email]},
                        from: :rgl}]]
# => 'WITH alias_name (SELECT * FROM users ), alias_name_2 (...) '
# OR
with name: { select: true },
     another_name: { select: :mrgl }
# => 'WITH name AS (SELECT * ), another_name AS (SELECT mrgl ) '