SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 4)
    Subquery (children 1)
     SelectWithUnionQuery (children 1)
      ExpressionList (children 1)
       SelectQuery (children 3)
        ExpressionList (children 1)
         Function count (children 1)
          ExpressionList
        TablesInSelectQuery (children 1)
         TablesInSelectQueryElement (children 1)
          TableExpression (children 1)
           TableIdentifier test
        Function equals (children 1)
         ExpressionList (children 2)
          Identifier test
          Literal \'case3\'
    Subquery (children 1)
     SelectWithUnionQuery (children 1)
      ExpressionList (children 1)
       SelectQuery (children 3)
        ExpressionList (children 1)
         Function sum (children 1)
          ExpressionList (children 1)
           Identifier c
        TablesInSelectQuery (children 1)
         TablesInSelectQueryElement (children 1)
          TableExpression (children 1)
           TableIdentifier test_mv_a
        Function equals (children 1)
         ExpressionList (children 2)
          Identifier test
          Literal \'case3\'
    Subquery (children 1)
     SelectWithUnionQuery (children 1)
      ExpressionList (children 1)
       SelectQuery (children 3)
        ExpressionList (children 1)
         Function sum (children 1)
          ExpressionList (children 1)
           Identifier c
        TablesInSelectQuery (children 1)
         TablesInSelectQueryElement (children 1)
          TableExpression (children 1)
           TableIdentifier test_mv_b
        Function equals (children 1)
         ExpressionList (children 2)
          Identifier test
          Literal \'case3\'
    Subquery (children 1)
     SelectWithUnionQuery (children 1)
      ExpressionList (children 1)
       SelectQuery (children 3)
        ExpressionList (children 1)
         Function sum (children 1)
          ExpressionList (children 1)
           Identifier c
        TablesInSelectQuery (children 1)
         TablesInSelectQueryElement (children 1)
          TableExpression (children 1)
           TableIdentifier test_mv_c
        Function equals (children 1)
         ExpressionList (children 2)
          Identifier test
          Literal \'case3\'
