SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 3)
    Function arrayUniq (children 1)
     ExpressionList (children 1)
      Identifier nest.a
    Function arrayUniq (children 1)
     ExpressionList (children 1)
      Identifier nest.b
    Function arrayUniq (children 1)
     ExpressionList (children 1)
      Identifier nest.c
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier decimal
