dbdatepart

Description

Return the specified part of a DBDATETIME value as a numeric value.

Syntax

DBINT dbdatepart(dbproc, datepart, datetime)
 
 DBPROCESS     *dbproc;
 int                       datepart;
 DBDATETIME     *datetime;

Parameters

dbproc

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.

datepart

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.

Table 2-15: Date parts and their character representations (dbdatepart)

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

datetime

A pointer to the DBDATETIME value of interest.

Returns

The value of the specified date part.

Usage

See also

dbconvert, dbdata, dbdatechar, dbdatecrack, dbdatename