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Diffstat (limited to 'src/backend/utils/adt/datetime.c')
-rw-r--r--src/backend/utils/adt/datetime.c86
1 files changed, 44 insertions, 42 deletions
diff --git a/src/backend/utils/adt/datetime.c b/src/backend/utils/adt/datetime.c
index f053c9ebb2c..1b1fd98a1ff 100644
--- a/src/backend/utils/adt/datetime.c
+++ b/src/backend/utils/adt/datetime.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.108 2003/07/29 00:03:18 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.109 2003/08/04 00:43:25 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -575,9 +575,9 @@ static datetkn deltatktbl[] = {
static unsigned int szdeltatktbl = sizeof deltatktbl / sizeof deltatktbl[0];
-static datetkn *datecache[MAXDATEFIELDS] = {NULL};
+static datetkn *datecache[MAXDATEFIELDS] = {NULL};
-static datetkn *deltacache[MAXDATEFIELDS] = {NULL};
+static datetkn *deltacache[MAXDATEFIELDS] = {NULL};
/*
@@ -593,7 +593,7 @@ static datetkn *deltacache[MAXDATEFIELDS] = {NULL};
*
* Rewritten to eliminate overflow problems. This now allows the
* routines to work correctly for all Julian day counts from
- * 0 to 2147483647 (Nov 24, -4713 to Jun 3, 5874898) assuming
+ * 0 to 2147483647 (Nov 24, -4713 to Jun 3, 5874898) assuming
* a 32-bit integer. Longer types should also work to the limits
* of their precision.
*/
@@ -604,18 +604,21 @@ date2j(int y, int m, int d)
int julian;
int century;
- if (m > 2) {
+ if (m > 2)
+ {
m += 1;
y += 4800;
- } else {
+ }
+ else
+ {
m += 13;
y += 4799;
}
- century = y/100;
- julian = y*365 - 32167;
- julian += y/4 - century + century/4;
- julian += 7834*m/256 + d;
+ century = y / 100;
+ julian = y * 365 - 32167;
+ julian += y / 4 - century + century / 4;
+ julian += 7834 * m / 256 + d;
return julian;
} /* date2j() */
@@ -623,25 +626,25 @@ date2j(int y, int m, int d)
void
j2date(int jd, int *year, int *month, int *day)
{
- unsigned int julian;
- unsigned int quad;
- unsigned int extra;
+ unsigned int julian;
+ unsigned int quad;
+ unsigned int extra;
int y;
julian = jd;
julian += 32044;
- quad = julian/146097;
- extra = (julian - quad*146097)*4 + 3;
- julian += 60 + quad*3 + extra/146097;
- quad = julian/1461;
- julian -= quad*1461;
+ quad = julian / 146097;
+ extra = (julian - quad * 146097) * 4 + 3;
+ julian += 60 + quad * 3 + extra / 146097;
+ quad = julian / 1461;
+ julian -= quad * 1461;
y = julian * 4 / 1461;
julian = ((y != 0) ? ((julian + 305) % 365) : ((julian + 306) % 366))
+ 123;
- y += quad*4;
+ y += quad * 4;
*year = y - 4800;
quad = julian * 2141 / 65536;
- *day = julian - 7834*quad/256;
+ *day = julian - 7834 * quad / 256;
*month = (quad + 10) % 12 + 1;
return;
@@ -652,7 +655,7 @@ j2date(int jd, int *year, int *month, int *day)
* j2day - convert Julian date to day-of-week (0..6 == Sun..Sat)
*
* Note: various places use the locution j2day(date - 1) to produce a
- * result according to the convention 0..6 = Mon..Sun. This is a bit of
+ * result according to the convention 0..6 = Mon..Sun. This is a bit of
* a crock, but will work as long as the computation here is just a modulo.
*/
int
@@ -1252,8 +1255,8 @@ DecodeDateTime(char **field, int *ftype, int nf,
{
case DTK_CURRENT:
ereport(ERROR,
- (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
- errmsg("\"current\" is no longer supported")));
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("\"current\" is no longer supported")));
return -1;
break;
@@ -1269,7 +1272,7 @@ DecodeDateTime(char **field, int *ftype, int nf,
*dtype = DTK_DATE;
GetCurrentDateTime(tm);
j2date((date2j(tm->tm_year, tm->tm_mon, tm->tm_mday) - 1),
- &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
+ &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
tm->tm_hour = 0;
tm->tm_min = 0;
tm->tm_sec = 0;
@@ -1289,7 +1292,7 @@ DecodeDateTime(char **field, int *ftype, int nf,
*dtype = DTK_DATE;
GetCurrentDateTime(tm);
j2date((date2j(tm->tm_year, tm->tm_mon, tm->tm_mday) + 1),
- &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
+ &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
tm->tm_hour = 0;
tm->tm_min = 0;
tm->tm_sec = 0;
@@ -1435,8 +1438,8 @@ DecodeDateTime(char **field, int *ftype, int nf,
else
ereport(ERROR,
(errcode(ERRCODE_INVALID_DATETIME_FORMAT),
- errmsg("inconsistent use of year %04d and \"BC\"",
- tm->tm_year)));
+ errmsg("inconsistent use of year %04d and \"BC\"",
+ tm->tm_year)));
}
else if (is2digits)
{
@@ -1994,8 +1997,8 @@ DecodeTimeOnly(char **field, int *ftype, int nf,
{
case DTK_CURRENT:
ereport(ERROR,
- (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
- errmsg("\"current\" is no longer supported")));
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("\"current\" is no longer supported")));
return -1;
break;
@@ -2423,6 +2426,7 @@ DecodeNumber(int flen, char *str, int fmask,
switch (fmask & DTK_DATE_M)
{
case 0:
+
/*
* Nothing so far; make a decision about what we think the
* input is. There used to be lots of heuristics here, but
@@ -2487,9 +2491,7 @@ DecodeNumber(int flen, char *str, int fmask,
* exactly two digits.
*/
if (*tmask == DTK_M(YEAR))
- {
*is2digits = (flen == 2);
- }
return 0;
}
@@ -3300,8 +3302,8 @@ EncodeDateTime(struct tm * tm, fsec_t fsec, int *tzp, char **tzn, int style, cha
tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min);
/*
- * Print fractional seconds if any. The field widths here should
- * be at least equal to MAX_TIMESTAMP_PRECISION.
+ * Print fractional seconds if any. The field widths here
+ * should be at least equal to MAX_TIMESTAMP_PRECISION.
*
* In float mode, don't print fractional seconds before 1 AD,
* since it's unlikely there's any precision left ...
@@ -3350,8 +3352,8 @@ EncodeDateTime(struct tm * tm, fsec_t fsec, int *tzp, char **tzn, int style, cha
tm->tm_hour, tm->tm_min);
/*
- * Print fractional seconds if any. The field widths here should
- * be at least equal to MAX_TIMESTAMP_PRECISION.
+ * Print fractional seconds if any. The field widths here
+ * should be at least equal to MAX_TIMESTAMP_PRECISION.
*
* In float mode, don't print fractional seconds before 1 AD,
* since it's unlikely there's any precision left ...
@@ -3396,8 +3398,8 @@ EncodeDateTime(struct tm * tm, fsec_t fsec, int *tzp, char **tzn, int style, cha
tm->tm_hour, tm->tm_min);
/*
- * Print fractional seconds if any. The field widths here should
- * be at least equal to MAX_TIMESTAMP_PRECISION.
+ * Print fractional seconds if any. The field widths here
+ * should be at least equal to MAX_TIMESTAMP_PRECISION.
*
* In float mode, don't print fractional seconds before 1 AD,
* since it's unlikely there's any precision left ...
@@ -3450,8 +3452,8 @@ EncodeDateTime(struct tm * tm, fsec_t fsec, int *tzp, char **tzn, int style, cha
sprintf((str + 10), " %02d:%02d", tm->tm_hour, tm->tm_min);
/*
- * Print fractional seconds if any. The field widths here should
- * be at least equal to MAX_TIMESTAMP_PRECISION.
+ * Print fractional seconds if any. The field widths here
+ * should be at least equal to MAX_TIMESTAMP_PRECISION.
*
* In float mode, don't print fractional seconds before 1 AD,
* since it's unlikely there's any precision left ...
@@ -3746,7 +3748,7 @@ ClearDateCache(bool newval, bool doit, bool interactive)
/*
* We've been burnt by stupid errors in the ordering of the datetkn tables
- * once too often. Arrange to check them during postmaster start.
+ * once too often. Arrange to check them during postmaster start.
*/
static bool
CheckDateTokenTable(const char *tablename, datetkn *base, unsigned int nel)
@@ -3756,11 +3758,11 @@ CheckDateTokenTable(const char *tablename, datetkn *base, unsigned int nel)
for (i = 1; i < nel; i++)
{
- if (strncmp(base[i-1].token, base[i].token, TOKMAXLEN) >= 0)
+ if (strncmp(base[i - 1].token, base[i].token, TOKMAXLEN) >= 0)
{
elog(LOG, "ordering error in %s table: \"%.*s\" >= \"%.*s\"",
tablename,
- TOKMAXLEN, base[i-1].token,
+ TOKMAXLEN, base[i - 1].token,
TOKMAXLEN, base[i].token);
ok = false;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-20 10:36:02 +0000