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A fix and test case for bug#6058 "Prepared statements return '0000-00-00'

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(date) as empty  string": preserve time type (date, time, or datetime) for
zero dates, times, and datetimes.


libmysql/libmysql.c:
  A fix for bug#6058 "Prepared statements return '0000-00-00' (date) as empty
   string": preserve time type (date, time, or datetime) for zero 
  dates, times, and datetimes.
tests/client_test.c:
  A test case for Bug#6058, the existing tests required some adjustments too.
This commit is contained in:
unknown
2004-10-20 16:43:36 +04:00
parent 9aefc403f9
commit 8fe8912f4c
2 changed files with 55 additions and 7 deletions
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6
libmysql/libmysql.c
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@ -3221,12 +3221,12 @@ static void read_binary_time(MYSQL_TIME *tm, uchar **pos)
tm->second_part= (length > 8) ? (ulong) sint4korr(to+8) : 0;
tm->year= tm->month= 0;
tm->time_type= MYSQL_TIMESTAMP_TIME;
*pos+= length;
}
else
set_zero_time(tm);
tm->time_type= MYSQL_TIMESTAMP_TIME;
}
static void read_binary_datetime(MYSQL_TIME *tm, uchar **pos)
@ -3251,12 +3251,12 @@ static void read_binary_datetime(MYSQL_TIME *tm, uchar **pos)
else
tm->hour= tm->minute= tm->second= 0;
tm->second_part= (length > 7) ? (ulong) sint4korr(to+7) : 0;
tm->time_type= MYSQL_TIMESTAMP_DATETIME;
*pos+= length;
}
else
set_zero_time(tm);
tm->time_type= MYSQL_TIMESTAMP_DATETIME;
}
static void read_binary_date(MYSQL_TIME *tm, uchar **pos)
@ -3273,12 +3273,12 @@ static void read_binary_date(MYSQL_TIME *tm, uchar **pos)
tm->hour= tm->minute= tm->second= 0;
tm->second_part= 0;
tm->neg= 0;
tm->time_type= MYSQL_TIMESTAMP_DATE;
*pos+= length;
}
else
set_zero_time(tm);
tm->time_type= MYSQL_TIMESTAMP_DATE;
}