InsertQuery   (children 3)
 Identifier t_primary_index_memory
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Function repeat (children 1)
      ExpressionList (children 2)
       Literal \'a\'
       Literal UInt64_10000
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 1)
         Literal UInt64_150000
    Set
 Set
