CreateQuery date (children 3)
 Identifier date
 Columns definition (children 1)
  ExpressionList (children 17)
   ColumnDeclaration D_DATEKEY (children 1)
    DataType Date
   ColumnDeclaration D_DATE (children 1)
    DataType FixedString (children 1)
     ExpressionList (children 1)
      Literal UInt64_18
   ColumnDeclaration D_DAYOFWEEK (children 1)
    DataType LowCardinality (children 1)
     ExpressionList (children 1)
      DataType String
   ColumnDeclaration D_MONTH (children 1)
    DataType LowCardinality (children 1)
     ExpressionList (children 1)
      DataType String
   ColumnDeclaration D_YEAR (children 1)
    DataType UInt16
   ColumnDeclaration D_YEARMONTHNUM (children 1)
    DataType UInt32
   ColumnDeclaration D_YEARMONTH (children 1)
    DataType LowCardinality (children 1)
     ExpressionList (children 1)
      DataType FixedString (children 1)
       ExpressionList (children 1)
        Literal UInt64_7
   ColumnDeclaration D_DAYNUMINWEEK (children 1)
    DataType UInt8
   ColumnDeclaration D_DAYNUMINMONTH (children 1)
    DataType UInt8
   ColumnDeclaration D_DAYNUMINYEAR (children 1)
    DataType UInt16
   ColumnDeclaration D_MONTHNUMINYEAR (children 1)
    DataType UInt8
   ColumnDeclaration D_WEEKNUMINYEAR (children 1)
    DataType UInt8
   ColumnDeclaration D_SELLINGSEASON (children 1)
    DataType String
   ColumnDeclaration D_LASTDAYINWEEKFL (children 1)
    DataType UInt8
   ColumnDeclaration D_LASTDAYINMONTHFL (children 1)
    DataType UInt8
   ColumnDeclaration D_HOLIDAYFL (children 1)
    DataType UInt8
   ColumnDeclaration D_WEEKDAYFL (children 1)
    DataType UInt8
 Storage definition (children 2)
  Function MergeTree
  Identifier D_DATEKEY
