SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test
   Function and (children 1)
    ExpressionList (children 2)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier x
       Literal UInt64_1
     Function arrayExists (children 1)
      ExpressionList (children 3)
       Function lambda (children 1)
        ExpressionList (children 2)
         Function tuple (children 1)
          ExpressionList (children 2)
           Identifier x1
           Identifier x2
         Function equals (children 1)
          ExpressionList (children 2)
           Identifier x1
           Identifier x2
       Identifier arr1
       Identifier arr2
   Set
