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Adjust date/time input parsing code to correctly distinguish the four

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SQLSTATE error codes required by SQL99 (invalid format, datetime field
overflow, interval field overflow, invalid time zone displacement value).
Also emit a HINT about DateStyle in cases where it seems appropriate.
Per recent gripes.
This commit is contained in:
Tom Lane
2003-08-27 23:29:29 +00:00
parent 3722226070
commit d1031cdef2
13 changed files with 465 additions and 307 deletions
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40
src/backend/utils/adt/nabstime.c
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@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/nabstime.c,v 1.114 2003/08/17 19:58:05 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/nabstime.c,v 1.115 2003/08/27 23:29:29 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -364,6 +364,7 @@ abstimein(PG_FUNCTION_ARGS)
int tz = 0;
struct tm date,
*tm = &date;
int dterr;
char *field[MAXDATEFIELDS];
char lowstr[MAXDATELEN + 1];
int dtype;
@ -371,15 +372,13 @@ abstimein(PG_FUNCTION_ARGS)
ftype[MAXDATEFIELDS];
if (strlen(str) >= sizeof(lowstr))
ereport(ERROR,
(errcode(ERRCODE_INVALID_DATETIME_FORMAT),
errmsg("invalid input syntax for abstime: \"%s\"", str)));
if ((ParseDateTime(str, lowstr, field, ftype, MAXDATEFIELDS, &nf) != 0)
|| (DecodeDateTime(field, ftype, nf, &dtype, tm, &fsec, &tz) != 0))
ereport(ERROR,
(errcode(ERRCODE_INVALID_DATETIME_FORMAT),
errmsg("invalid input syntax for abstime: \"%s\"", str)));
dterr = DTERR_BAD_FORMAT;
else
dterr = ParseDateTime(str, lowstr, field, ftype, MAXDATEFIELDS, &nf);
if (dterr == 0)
dterr = DecodeDateTime(field, ftype, nf, &dtype, tm, &fsec, &tz);
if (dterr != 0)
DateTimeParseError(dterr, str, "abstime");
switch (dtype)
{
@ -768,21 +767,24 @@ reltimein(PG_FUNCTION_ARGS)
*tm = &tt;
fsec_t fsec;
int dtype;
int dterr;
char *field[MAXDATEFIELDS];
int nf,
ftype[MAXDATEFIELDS];
char lowstr[MAXDATELEN + 1];
if (strlen(str) >= sizeof(lowstr))
ereport(ERROR,
(errcode(ERRCODE_INVALID_DATETIME_FORMAT),
errmsg("invalid input syntax for reltime: \"%s\"", str)));
if ((ParseDateTime(str, lowstr, field, ftype, MAXDATEFIELDS, &nf) != 0)
|| (DecodeInterval(field, ftype, nf, &dtype, tm, &fsec) != 0))
ereport(ERROR,
(errcode(ERRCODE_INVALID_DATETIME_FORMAT),
errmsg("invalid input syntax for reltime: \"%s\"", str)));
dterr = DTERR_BAD_FORMAT;
else
dterr = ParseDateTime(str, lowstr, field, ftype, MAXDATEFIELDS, &nf);
if (dterr == 0)
dterr = DecodeInterval(field, ftype, nf, &dtype, tm, &fsec);
if (dterr != 0)
{
if (dterr == DTERR_FIELD_OVERFLOW)
dterr = DTERR_INTERVAL_OVERFLOW;
DateTimeParseError(dterr, str, "reltime");
}
switch (dtype)
{