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Allow varchar() to only store needed bytes. Remove PALLOC,PALLOCTYPE,PFREE. Clean up use of VARDATA.

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This commit is contained in:
Bruce Momjian
1998-01-07 18:47:07 +00:00
parent 7a2a7d436d
commit e6c6146eb8
16 changed files with 253 additions and 303 deletions
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50
src/backend/utils/adt/dt.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/dt.c,v 1.49 1998/01/05 16:39:55 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/dt.c,v 1.50 1998/01/07 18:46:45 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -115,7 +115,7 @@ datetime_in(char *str)
|| (DecodeDateTime(field, ftype, nf, &dtype, tm, &fsec, &tz) != 0))
elog(ERROR, "Bad datetime external representation '%s'", str);
result = PALLOCTYPE(DateTime);
result = palloc(sizeof(DateTime));
switch (dtype)
{
@ -188,7 +188,7 @@ datetime_out(DateTime *dt)
EncodeSpecialDateTime(DT_INVALID, buf);
}
result = PALLOC(strlen(buf) + 1);
result = palloc(strlen(buf) + 1);
strcpy(result, buf);
@ -231,7 +231,7 @@ timespan_in(char *str)
|| (DecodeDateDelta(field, ftype, nf, &dtype, tm, &fsec) != 0))
elog(ERROR, "Bad timespan external representation '%s'", str);
span = PALLOCTYPE(TimeSpan);
span = palloc(sizeof(TimeSpan));
switch (dtype)
{
@ -274,7 +274,7 @@ timespan_out(TimeSpan *span)
if (EncodeTimeSpan(tm, fsec, DateStyle, buf) != 0)
elog(ERROR, "Unable to format timespan", NULL);
result = PALLOC(strlen(buf) + 1);
result = palloc(strlen(buf) + 1);
strcpy(result, buf);
return (result);
@ -715,7 +715,7 @@ datetime_smaller(DateTime *datetime1, DateTime *datetime2)
dt1 = *datetime1;
dt2 = *datetime2;
result = PALLOCTYPE(DateTime);
result = palloc(sizeof(DateTime));
if (DATETIME_IS_RELATIVE(dt1))
dt1 = SetDateTime(dt1);
@ -752,7 +752,7 @@ datetime_larger(DateTime *datetime1, DateTime *datetime2)
dt1 = *datetime1;
dt2 = *datetime2;
result = PALLOCTYPE(DateTime);
result = palloc(sizeof(DateTime));
if (DATETIME_IS_RELATIVE(dt1))
dt1 = SetDateTime(dt1);
@ -790,7 +790,7 @@ datetime_mi(DateTime *datetime1, DateTime *datetime2)
dt1 = *datetime1;
dt2 = *datetime2;
result = PALLOCTYPE(TimeSpan);
result = palloc(sizeof(TimeSpan));
if (DATETIME_IS_RELATIVE(dt1))
dt1 = SetDateTime(dt1);
@ -836,7 +836,7 @@ datetime_pl_span(DateTime *datetime, TimeSpan *span)
if ((!PointerIsValid(datetime)) || (!PointerIsValid(span)))
return NULL;
result = PALLOCTYPE(DateTime);
result = palloc(sizeof(DateTime));
#ifdef DATEDEBUG
printf("datetime_pl_span- add %f to %d %f\n", *datetime, span->month, span->time);
@ -945,7 +945,7 @@ timespan_um(TimeSpan *timespan)
if (!PointerIsValid(timespan))
return NULL;
result = PALLOCTYPE(TimeSpan);
result = palloc(sizeof(TimeSpan));
result->time = -(timespan->time);
result->month = -(timespan->month);
@ -965,7 +965,7 @@ timespan_smaller(TimeSpan *timespan1, TimeSpan *timespan2)
if (!PointerIsValid(timespan1) || !PointerIsValid(timespan2))
return NULL;
result = PALLOCTYPE(TimeSpan);
result = palloc(sizeof(TimeSpan));
if (TIMESPAN_IS_INVALID(*timespan1))
{
@ -1020,7 +1020,7 @@ timespan_larger(TimeSpan *timespan1, TimeSpan *timespan2)
if (!PointerIsValid(timespan1) || !PointerIsValid(timespan2))
return NULL;
result = PALLOCTYPE(TimeSpan);
result = palloc(sizeof(TimeSpan));
if (TIMESPAN_IS_INVALID(*timespan1))
{
@ -1073,7 +1073,7 @@ timespan_pl(TimeSpan *span1, TimeSpan *span2)
if ((!PointerIsValid(span1)) || (!PointerIsValid(span2)))
return NULL;
result = PALLOCTYPE(TimeSpan);
result = palloc(sizeof(TimeSpan));
result->month = (span1->month + span2->month);
result->time = JROUND(span1->time + span2->time);
@ -1089,7 +1089,7 @@ timespan_mi(TimeSpan *span1, TimeSpan *span2)
if ((!PointerIsValid(span1)) || (!PointerIsValid(span2)))
return NULL;
result = PALLOCTYPE(TimeSpan);
result = palloc(sizeof(TimeSpan));
result->month = (span1->month - span2->month);
result->time = JROUND(span1->time - span2->time);
@ -1105,7 +1105,7 @@ timespan_div(TimeSpan *span1, float8 *arg2)
if ((!PointerIsValid(span1)) || (!PointerIsValid(arg2)))
return NULL;
if (!PointerIsValid(result = PALLOCTYPE(TimeSpan)))
if (!PointerIsValid(result = palloc(sizeof(TimeSpan))))
elog(ERROR, "Memory allocation failed, can't subtract timespans", NULL);
if (*arg2 == 0.0)
@ -1143,7 +1143,7 @@ datetime_age(DateTime *datetime1, DateTime *datetime2)
if (!PointerIsValid(datetime1) || !PointerIsValid(datetime2))
return NULL;
result = PALLOCTYPE(TimeSpan);
result = palloc(sizeof(TimeSpan));
dt1 = *datetime1;
dt2 = *datetime2;
@ -1287,12 +1287,12 @@ datetime_text(DateTime *datetime)
len = (strlen(str) + VARHDRSZ);
result = PALLOC(len);
result = palloc(len);
VARSIZE(result) = len;
memmove(VARDATA(result), str, (len - VARHDRSZ));
PFREE(str);
pfree(str);
return (result);
} /* datetime_text() */
@ -1347,12 +1347,12 @@ timespan_text(TimeSpan *timespan)
len = (strlen(str) + VARHDRSZ);
result = PALLOC(len);
result = palloc(len);
VARSIZE(result) = len;
memmove(VARDATA(result), str, (len - VARHDRSZ));
PFREE(str);
pfree(str);
return (result);
} /* timespan_text() */
@ -1410,7 +1410,7 @@ datetime_trunc(text *units, DateTime *datetime)
if ((!PointerIsValid(units)) || (!PointerIsValid(datetime)))
return NULL;
result = PALLOCTYPE(DateTime);
result = palloc(sizeof(DateTime));
up = VARDATA(units);
lp = lowunits;
@ -1555,7 +1555,7 @@ timespan_trunc(text *units, TimeSpan *timespan)
if ((!PointerIsValid(units)) || (!PointerIsValid(timespan)))
return NULL;
result = PALLOCTYPE(TimeSpan);
result = palloc(sizeof(TimeSpan));
up = VARDATA(units);
lp = lowunits;
@ -1684,7 +1684,7 @@ datetime_part(text *units, DateTime *datetime)
if ((!PointerIsValid(units)) || (!PointerIsValid(datetime)))
return NULL;
result = PALLOCTYPE(float64data);
result = palloc(sizeof(float64data));
up = VARDATA(units);
lp = lowunits;
@ -1841,7 +1841,7 @@ timespan_part(text *units, TimeSpan *timespan)
if ((!PointerIsValid(units)) || (!PointerIsValid(timespan)))
return NULL;
result = PALLOCTYPE(float64data);
result = palloc(sizeof(float64data));
up = VARDATA(units);
lp = lowunits;
@ -2031,7 +2031,7 @@ datetime_zone(text *zone, DateTime *datetime)
len = (strlen(buf) + VARHDRSZ);
result = PALLOC(len);
result = palloc(len);
VARSIZE(result) = len;
memmove(VARDATA(result), buf, (len - VARHDRSZ));