Returns a date, given year
and day-of-year values
. dayofyear
must be greater than 0 or the result is NULL
.
SELECT MAKEDATE(2011,31), MAKEDATE(2011,32);
+-------------------+-------------------+
| MAKEDATE(2011,31) | MAKEDATE(2011,32) |
+-------------------+-------------------+
| 2011-01-31 | 2011-02-01 |
+-------------------+-------------------+
2012 is a leap year:
SELECT MAKEDATE(2011,365), MAKEDATE(2012,365);
+--------------------+--------------------+
| MAKEDATE(2011,365) | MAKEDATE(2012,365) |
+--------------------+--------------------+
| 2011-12-31 | 2012-12-30 |
+--------------------+--------------------+
SELECT MAKEDATE(2011,366), MAKEDATE(2012,366);
+--------------------+--------------------+
| MAKEDATE(2011,366) | MAKEDATE(2012,366) |
+--------------------+--------------------+
| 2012-01-01 | 2012-12-31 |
+--------------------+--------------------+
SELECT MAKEDATE(2011,0);
+------------------+
| MAKEDATE(2011,0) |
+------------------+
| NULL |
+------------------+
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