CreateQuery tt (children 3)
 Identifier tt
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration p (children 1)
    DataType String
   ColumnDeclaration tmin (children 1)
    DataType AggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier min
      DataType DateTime
 Storage definition (children 2)
  Function AggregatingMergeTree
  Identifier p
