pg_datetime.h File Reference

This file contains date/time utilities adapted from PostgreSQL 14.1 source code. More...

#include "tdb.h"

Go to the source code of this file.

Functions
int	date2j (int y, int m, int d)
	date2j() from PostgreSQL utils/adt/datetime.c. More...
void	j2date (int jd, int *year, int *month, int *day)
	j2date() from PostgreSQL utils/adt/datetime.c. More...

Detailed Description

This file contains date/time utilities adapted from PostgreSQL 14.1 source code.

See COPYRIGHT for a copyright notice.

Function Documentation

date2j()

int date2j	(	int	y,
		int	m,
		int	d
	)

date2j() from PostgreSQL utils/adt/datetime.c.

Converts a date (Y-m-d) to a julian day number.

Note that y is the actual year number (not year - 1900); m is from 1 to 12, not from 0.

j2date()

void j2date	(	int	jd,
		int *	year,
		int *	month,
		int *	day
	)

j2date() from PostgreSQL utils/adt/datetime.c.

Converts a julian day number to a date (Y-m-d).

Note that y is the actual year number (not year - 1900); m is from 1 to 12, not from 0.