Allow 5+ digit years for non-ISO timestamp/date strings, where appropriate
Report from Haribabu Kommi
This commit is contained in:
parent
d41ab71712
commit
7778ddc7a2
|
@ -1161,7 +1161,17 @@ DecodeDateTime(char **field, int *ftype, int nf,
|
|||
if (dterr < 0)
|
||||
return dterr;
|
||||
}
|
||||
else if (flen > 4)
|
||||
/*
|
||||
* Is this a YMD or HMS specification, or a year number?
|
||||
* YMD and HMS are required to be six digits or more, so
|
||||
* if it is 5 digits, it is a year. If it is six or more
|
||||
* more digits, we assume it is YMD or HMS unless no date
|
||||
* and no time values have been specified. This forces
|
||||
* 6+ digit years to be at the end of the string, or to use
|
||||
* the ISO date specification.
|
||||
*/
|
||||
else if (flen >= 6 && (!(fmask & DTK_DATE_M) ||
|
||||
!(fmask & DTK_TIME_M)))
|
||||
{
|
||||
dterr = DecodeNumberField(flen, field[i], fmask,
|
||||
&tmask, tm,
|
||||
|
@ -2647,29 +2657,20 @@ DecodeNumberField(int len, char *str, int fmask,
|
|||
/* No decimal point and no complete date yet? */
|
||||
else if ((fmask & DTK_DATE_M) != DTK_DATE_M)
|
||||
{
|
||||
/* yyyymmdd? */
|
||||
if (len == 8)
|
||||
if (len >= 6)
|
||||
{
|
||||
*tmask = DTK_DATE_M;
|
||||
|
||||
tm->tm_mday = atoi(str + 6);
|
||||
*(str + 6) = '\0';
|
||||
tm->tm_mon = atoi(str + 4);
|
||||
*(str + 4) = '\0';
|
||||
tm->tm_year = atoi(str + 0);
|
||||
|
||||
return DTK_DATE;
|
||||
}
|
||||
/* yymmdd? */
|
||||
else if (len == 6)
|
||||
{
|
||||
*tmask = DTK_DATE_M;
|
||||
tm->tm_mday = atoi(str + 4);
|
||||
*(str + 4) = '\0';
|
||||
tm->tm_mon = atoi(str + 2);
|
||||
*(str + 2) = '\0';
|
||||
tm->tm_year = atoi(str + 0);
|
||||
*is2digits = TRUE;
|
||||
/*
|
||||
* Start from end and consider first 2 as Day, next 2 as Month,
|
||||
* and the rest as Year.
|
||||
*/
|
||||
tm->tm_mday = atoi(str + (len - 2));
|
||||
*(str + (len - 2)) = '\0';
|
||||
tm->tm_mon = atoi(str + (len - 4));
|
||||
*(str + (len - 4)) = '\0';
|
||||
tm->tm_year = atoi(str);
|
||||
if ((len - 4) == 2)
|
||||
*is2digits = TRUE;
|
||||
|
||||
return DTK_DATE;
|
||||
}
|
||||
|
@ -2686,7 +2687,7 @@ DecodeNumberField(int len, char *str, int fmask,
|
|||
*(str + 4) = '\0';
|
||||
tm->tm_min = atoi(str + 2);
|
||||
*(str + 2) = '\0';
|
||||
tm->tm_hour = atoi(str + 0);
|
||||
tm->tm_hour = atoi(str);
|
||||
|
||||
return DTK_TIME;
|
||||
}
|
||||
|
@ -2697,7 +2698,7 @@ DecodeNumberField(int len, char *str, int fmask,
|
|||
tm->tm_sec = 0;
|
||||
tm->tm_min = atoi(str + 2);
|
||||
*(str + 2) = '\0';
|
||||
tm->tm_hour = atoi(str + 0);
|
||||
tm->tm_hour = atoi(str);
|
||||
|
||||
return DTK_TIME;
|
||||
}
|
||||
|
|
|
@ -1675,3 +1675,25 @@ SELECT '' AS to_char_11, to_char(d1, 'FMIYYY FMIYY FMIY FMI FMIW FMIDDD FMID')
|
|||
| 2001 1 1 1 1 1 1
|
||||
(66 rows)
|
||||
|
||||
CREATE TABLE TIMESTAMPTZ_TST (a int , b timestamptz);
|
||||
-- Test year field value with len > 4
|
||||
INSERT INTO TIMESTAMPTZ_TST VALUES(1, 'Sat Mar 12 23:58:48 1000 IST');
|
||||
INSERT INTO TIMESTAMPTZ_TST VALUES(2, 'Sat Mar 12 23:58:48 10000 IST');
|
||||
INSERT INTO TIMESTAMPTZ_TST VALUES(3, 'Sat Mar 12 23:58:48 100000 IST');
|
||||
INSERT INTO TIMESTAMPTZ_TST VALUES(3, '10000 Mar 12 23:58:48 IST');
|
||||
INSERT INTO TIMESTAMPTZ_TST VALUES(4, '100000312 23:58:48 IST');
|
||||
INSERT INTO TIMESTAMPTZ_TST VALUES(4, '1000000312 23:58:48 IST');
|
||||
--Verify data
|
||||
SELECT * FROM TIMESTAMPTZ_TST ORDER BY a;
|
||||
a | b
|
||||
---+--------------------------------
|
||||
1 | Wed Mar 12 13:58:48 1000 PST
|
||||
2 | Sun Mar 12 14:58:48 10000 PDT
|
||||
3 | Sun Mar 12 14:58:48 100000 PDT
|
||||
3 | Sun Mar 12 14:58:48 10000 PDT
|
||||
4 | Sun Mar 12 14:58:48 10000 PDT
|
||||
4 | Sun Mar 12 14:58:48 100000 PDT
|
||||
(6 rows)
|
||||
|
||||
--Cleanup
|
||||
DROP TABLE TIMESTAMPTZ_TST;
|
||||
|
|
|
@ -240,3 +240,17 @@ SELECT '' AS to_char_10, to_char(d1, 'IYYY IYY IY I IW IDDD ID')
|
|||
|
||||
SELECT '' AS to_char_11, to_char(d1, 'FMIYYY FMIYY FMIY FMI FMIW FMIDDD FMID')
|
||||
FROM TIMESTAMPTZ_TBL;
|
||||
|
||||
CREATE TABLE TIMESTAMPTZ_TST (a int , b timestamptz);
|
||||
|
||||
-- Test year field value with len > 4
|
||||
INSERT INTO TIMESTAMPTZ_TST VALUES(1, 'Sat Mar 12 23:58:48 1000 IST');
|
||||
INSERT INTO TIMESTAMPTZ_TST VALUES(2, 'Sat Mar 12 23:58:48 10000 IST');
|
||||
INSERT INTO TIMESTAMPTZ_TST VALUES(3, 'Sat Mar 12 23:58:48 100000 IST');
|
||||
INSERT INTO TIMESTAMPTZ_TST VALUES(3, '10000 Mar 12 23:58:48 IST');
|
||||
INSERT INTO TIMESTAMPTZ_TST VALUES(4, '100000312 23:58:48 IST');
|
||||
INSERT INTO TIMESTAMPTZ_TST VALUES(4, '1000000312 23:58:48 IST');
|
||||
--Verify data
|
||||
SELECT * FROM TIMESTAMPTZ_TST ORDER BY a;
|
||||
--Cleanup
|
||||
DROP TABLE TIMESTAMPTZ_TST;
|
||||
|
|
Loading…
Reference in New Issue