InsertQuery   (children 2)
 Identifier dst
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 2)
     Function plus (alias key) (children 1)
      ExpressionList (children 2)
       Identifier number
       Literal UInt64_1
     Function IF (alias value) (children 1)
      ExpressionList (children 3)
       Function equals (children 1)
        ExpressionList (children 2)
         Identifier key
         Literal UInt64_0
       Literal \'A\'
       Literal \'B\'
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 1)
         Literal UInt64_2
