CreateQuery t_mt_params (children 3)
 Identifier t_mt_params
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration s (children 1)
    DataType String
   ColumnDeclaration n (children 1)
    DataType UInt64
 Storage definition (children 4)
  Function MergeTree
  Function modulo (children 1)
   ExpressionList (children 2)
    Identifier n
    Literal UInt64_2
  Identifier s
  Set
