CreateQuery t_transform_or (children 3)
 Identifier t_transform_or
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration B (children 1)
    DataType AggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier uniq
      DataType String
   ColumnDeclaration A (children 1)
    DataType String
 Storage definition (children 2)
  Function MergeTree
  Identifier A
