CreateQuery codecs (children 3)
 Identifier codecs
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType UInt32
   ColumnDeclaration val (children 1)
    DataType UInt32
   ColumnDeclaration s (children 1)
    DataType String
 Storage definition (children 3)
  Function MergeTree
  Identifier id
  Set