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Move DTK_ISODOW DTK_DOW and DTK_DOY to be type UNITS rather than

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RESERV. RESERV is meant for tokens like "now" and having them in that
category throws errors like these when used as an input date:

stark=# SELECT 'doy'::timestamptz;
ERROR:  unexpected dtype 33 while parsing timestamptz "doy"
LINE 1: SELECT 'doy'::timestamptz;
               ^
stark=# SELECT 'dow'::timestamptz;
ERROR:  unexpected dtype 32 while parsing timestamptz "dow"
LINE 1: SELECT 'dow'::timestamptz;
               ^

Found by LLVM's Libfuzzer
This commit is contained in:
Greg Stark 2015-09-06 02:04:37 +01:00
parent 9270d8db9a
commit 258ee1b635
2 changed files with 43 additions and 43 deletions
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6
src/backend/utils/adt/datetime.c
View File

@ -103,8 +103,8 @@ static const datetkn datetktbl[] = {
{"d", UNITS, DTK_DAY}, /* "day of month" for ISO input */ {"d", UNITS, DTK_DAY}, /* "day of month" for ISO input */
{"dec", MONTH, 12}, {"dec", MONTH, 12},
{"december", MONTH, 12}, {"december", MONTH, 12},
{"dow", RESERV, DTK_DOW}, /* day of week */ {"dow", UNITS, DTK_DOW}, /* day of week */
{"doy", RESERV, DTK_DOY}, /* day of year */ {"doy", UNITS, DTK_DOY}, /* day of year */
{"dst", DTZMOD, SECS_PER_HOUR}, {"dst", DTZMOD, SECS_PER_HOUR},
{EPOCH, RESERV, DTK_EPOCH}, /* "epoch" reserved for system epoch time */ {EPOCH, RESERV, DTK_EPOCH}, /* "epoch" reserved for system epoch time */
{"feb", MONTH, 2}, {"feb", MONTH, 2},
@ -114,7 +114,7 @@ static const datetkn datetktbl[] = {
{"h", UNITS, DTK_HOUR}, /* "hour" */ {"h", UNITS, DTK_HOUR}, /* "hour" */
{LATE, RESERV, DTK_LATE}, /* "infinity" reserved for "late time" */ {LATE, RESERV, DTK_LATE}, /* "infinity" reserved for "late time" */
{INVALID, RESERV, DTK_INVALID}, /* "invalid" reserved for bad time */ {INVALID, RESERV, DTK_INVALID}, /* "invalid" reserved for bad time */
{"isodow", RESERV, DTK_ISODOW}, /* ISO day of week, Sunday == 7 */ {"isodow", UNITS, DTK_ISODOW}, /* ISO day of week, Sunday == 7 */
{"isoyear", UNITS, DTK_ISOYEAR}, /* year in terms of the ISO week date */ {"isoyear", UNITS, DTK_ISOYEAR}, /* year in terms of the ISO week date */
{"j", UNITS, DTK_JULIAN}, {"j", UNITS, DTK_JULIAN},
{"jan", MONTH, 1}, {"jan", MONTH, 1},

80
src/backend/utils/adt/timestamp.c
View File

@ -4458,6 +4458,26 @@ timestamp_part(PG_FUNCTION_ARGS)
result = date2isoyear(tm->tm_year, tm->tm_mon, tm->tm_mday); result = date2isoyear(tm->tm_year, tm->tm_mon, tm->tm_mday);
break; break;
case DTK_DOW:
case DTK_ISODOW:
if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
result = j2day(date2j(tm->tm_year, tm->tm_mon, tm->tm_mday));
if (val == DTK_ISODOW && result == 0)
result = 7;
break;
case DTK_DOY:
if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
result = (date2j(tm->tm_year, tm->tm_mon, tm->tm_mday)
- date2j(tm->tm_year, 1, 1) + 1);
break;
case DTK_TZ: case DTK_TZ:
case DTK_TZ_MINUTE: case DTK_TZ_MINUTE:
case DTK_TZ_HOUR: case DTK_TZ_HOUR:
@ -4481,26 +4501,6 @@ timestamp_part(PG_FUNCTION_ARGS)
#endif #endif
break; break;
case DTK_DOW:
case DTK_ISODOW:
if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
result = j2day(date2j(tm->tm_year, tm->tm_mon, tm->tm_mday));
if (val == DTK_ISODOW && result == 0)
result = 7;
break;
case DTK_DOY:
if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
result = (date2j(tm->tm_year, tm->tm_mon, tm->tm_mday)
- date2j(tm->tm_year, 1, 1) + 1);
break;
default: default:
ereport(ERROR, ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED), (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
@ -4672,6 +4672,26 @@ timestamptz_part(PG_FUNCTION_ARGS)
result = date2isoyear(tm->tm_year, tm->tm_mon, tm->tm_mday); result = date2isoyear(tm->tm_year, tm->tm_mon, tm->tm_mday);
break; break;
case DTK_DOW:
case DTK_ISODOW:
if (timestamp2tm(timestamp, &tz, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
result = j2day(date2j(tm->tm_year, tm->tm_mon, tm->tm_mday));
if (val == DTK_ISODOW && result == 0)
result = 7;
break;
case DTK_DOY:
if (timestamp2tm(timestamp, &tz, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
result = (date2j(tm->tm_year, tm->tm_mon, tm->tm_mday)
- date2j(tm->tm_year, 1, 1) + 1);
break;
default: default:
ereport(ERROR, ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED), (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
@ -4693,26 +4713,6 @@ timestamptz_part(PG_FUNCTION_ARGS)
#endif #endif
break; break;
case DTK_DOW:
case DTK_ISODOW:
if (timestamp2tm(timestamp, &tz, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
result = j2day(date2j(tm->tm_year, tm->tm_mon, tm->tm_mday));
if (val == DTK_ISODOW && result == 0)
result = 7;
break;
case DTK_DOY:
if (timestamp2tm(timestamp, &tz, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
result = (date2j(tm->tm_year, tm->tm_mon, tm->tm_mday)
- date2j(tm->tm_year, 1, 1) + 1);
break;
default: default:
ereport(ERROR, ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED), (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),