CreateQuery mytable (children 3)
 Identifier mytable
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration start_ts (children 1)
    DataType UInt32
   ColumnDeclaration end_ts (children 1)
    DataType UInt32
   ColumnDeclaration uuid (children 1)
    DataType String
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier start_ts
