CreateQuery 02680_datetime64_monotonic_check (children 3)
 Identifier 02680_datetime64_monotonic_check
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration t (children 1)
    DataType DateTime64 (children 1)
     ExpressionList (children 1)
      Literal UInt64_3
   ColumnDeclaration x (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType Decimal (children 1)
       ExpressionList (children 2)
        Literal UInt64_18
        Literal UInt64_14
 Storage definition (children 4)
  Function MergeTree
  Function toYYYYMMDD (children 1)
   ExpressionList (children 1)
    Identifier t
  Identifier x
  Set
