InsertQuery   (children 2)
 Identifier src
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 1)
    ExpressionList (children 2)
     Function tuple (children 1)
      ExpressionList (children 1)
       Function tuple (children 1)
        ExpressionList (children 1)
         Literal UInt64_1
     Literal \'{"x" : {"y" : 2}, "z" : 3}\'
