CreateQuery test_table (children 3)
 Identifier test_table
 Columns definition (children 1)
  ExpressionList (children 6)
   ColumnDeclaration timestamp (children 1)
    DataType DateTime
   ColumnDeclaration value (children 1)
    DataType UInt64
   ColumnDeclaration day (children 2)
    DataType Date
    Function toDate (children 1)
     ExpressionList (children 1)
      Identifier timestamp
   ColumnDeclaration day1 (children 2)
    DataType Date
    Function plus (children 1)
     ExpressionList (children 2)
      Identifier day
      Literal UInt64_1
   ColumnDeclaration day2 (children 2)
    DataType Date
    Function plus (children 1)
     ExpressionList (children 2)
      Identifier day1
      Literal UInt64_1
   ColumnDeclaration time (children 2)
    DataType DateTime
    Identifier timestamp
 Storage definition (children 4)
  Function MergeTree
  Function toYYYYMMDD (children 1)
   ExpressionList (children 1)
    Identifier timestamp
  Identifier timestamp
  Set