CreateQuery partitioned_by_tuple (children 3)
 Identifier partitioned_by_tuple
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration d (children 1)
    DataType Date
   ColumnDeclaration x (children 1)
    DataType UInt8
   ColumnDeclaration y (children 1)
    DataType UInt8
 Storage definition (children 3)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier d
    Identifier x
  Identifier x