CreateQuery four_rows_per_granule (children 3)
 Identifier four_rows_per_granule
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration p (children 1)
    DataType Date
   ColumnDeclaration k (children 1)
    DataType UInt64
   ColumnDeclaration v1 (children 1)
    DataType UInt64
   ColumnDeclaration v2 (children 1)
    DataType Int64
 Storage definition (children 4)
  Function MergeTree (children 1)
   ExpressionList
  Function toYYYYMM (children 1)
   ExpressionList (children 1)
    Identifier p
  Identifier k
  Set
