AlterQuery  add_table (children 2)
 ExpressionList (children 2)
  AlterCommand ADD_COLUMN (children 1)
   ColumnDeclaration value3 (children 1)
    DataType UInt64
  AlterCommand ADD_COLUMN (children 1)
   ColumnDeclaration value3 (children 1)
    DataType UInt32
 Identifier add_table
