CreateQuery log_for_alter (children 3)
 Identifier log_for_alter
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration Data (children 1)
    DataType String
 Storage definition (children 1)
  Function Log (children 1)
   ExpressionList