Return the specified part of a DBDATETIME value as a numeric value.
DBINT dbdatepart(dbproc, datepart, datetime) DBPROCESS *dbproc; int datepart; DBDATETIME *datetime;
A pointer to the DBPROCESS structure that provides the connection for a particular front-end/server process. It contains all the information that DB-Library uses to manage communications and data between the front end and server.
The date component of interest. The following table lists the date parts, the date part symbols recognized by DB-Library and the expected values. Note that the names of the months and the days in this table are those for English.
Date part |
Symbol |
Character representation of value |
---|---|---|
year |
DBDATE_YY |
1753 – 9999 |
quarter |
DBDATE_QQ |
1 – 4 |
month |
DBDATE_MM |
January – December |
day of year |
DBDATE_DY |
1 – 366 |
day |
DBDATE_DD |
1 – 31 |
week |
DBDATE_WK |
1 – 54 (for leap years) |
weekday |
DBDATE_DW |
Monday – Sunday |
hour |
DBDATE_HH |
0 – 23 |
minute |
DBDATE_MI |
0 – 59 |
second |
DBDATE_SS |
0 – 59 |
millisecond |
DBDATE_MS |
0 – 999 |
A pointer to the DBDATETIME value of interest.
The value of the specified date part.
dbdatepart returns the specified part of a DBDATETIME value as a numeric value.
dbdatepart is similar to the Transact-SQL datepart function.