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Rounding Time Stamps in Packed Numbers This example demonstrates different rounding behaviors for time stamps stored in packed numbers.
ABAP_SOURCE_CODE DEMO CL_DEMO_ROUND_TIME_STAMP
ABAP_DESCRIPTION A short packed number time stamp of type TIMESTAMP, a long packed number time stamp of type TIMESTAMPL and a time stamp in a time stamp field of type utclong are created at almost the same point in time. The example shows the different rounding behaviors when time stamps with fractional seconds are converted to time stamps of type TIMESTAMP without fractional seconds:
Using method UTCLONG2TSTMP_SHORT of class CL_ABAP_TSTMP to convert a time stamp field rounds down.
Using a simple assignment involving the conversion rule from p to p rounds half up (commercial rounding).
Using method MOVE_TO_SHORT of class CL_ABAP_TSTMP to convert a long time stamp stored as a packed number field rounds half up (commercial rounding).
Using method MOVE of class CL_ABAP_TSTMP to convert a long time stamp stored as a packed number field rounds half up (commercial rounding).
Using built-in function round without specifying mode for a long time stamp stored as a packed number field rounds half up (commercial rounding).
Using built-in function round with specifying the appropriate mode mode for a long time stamp stored as a packed number field rounds down.
Using built-in function trunc for a long time stamp stored as a packed number field rounds down. Since only rounding down a long time stamp stored as a packed number gives the same result as the statement GET TIME STAMP and if that is the expected behavior, the built-in function round with an appropriate mode or trunc should be used instead of the methods from CL_ABAP_TSTMP.
