HOUREND scalar function

Returns a TIMESTAMP at the end of AHOUR on the date AYEAR, AMONTH, ADAY, or at the end of the hour of ATIMESTAMP.

Prototypes

HOUREND(AYEAR INTEGER, AMONTH INTEGER, ADAY INTEGER, AHOUR INTEGER)
HOUREND(ATIMESTAMP TIMESTAMP)
HOUREND(ATIMESTAMP VARCHAR(26))

RETURNS TIMESTAMP

Description

Returns a TIMESTAMP value representing the last microsecond of AHOUR in the date given by AYEAR, AMONTH, and ADAY, or of the timestamp given by ATIMESTAMP depending on the variant of the function that is called.

Parameters

AYEAR
If provided, the year component of the resulting timestamp.
AMONTH
If provided, the month component of the resulting timestamp.
ADAY
If provided, the day component of the resulting timestamp.
AHOUR
If provided, the hour component of the resulting timestamp.
ATIMESTAMP
If provided, the timestamp from which to derive the end of the hour. Either AYEAR, AMONTH, ADAY, and AHOUR, or ATIMESTAMP must be provided.

Examples

Calculate the last microsecond of the specified hour:

VALUES HOUREND('2010-01-23 04:56:00');

1
--------------------------
2010-01-23-04.59.59.999999

Calculate the end of the first working day in 2011:

VALUES HOUREND(2011, 1, DAY(
  CASE WHEN DAYOFWEEK(YEARSTART(2011)) IN (1, 7)
    THEN NEXT_DAYOFWEEK(YEARSTART(2011), 2)
    ELSE YEARSTART(2011)
  END), 4);

1
--------------------------
2011-01-03-04.59.59.999999

See Also