DATE function as documented in the manuals does not support integer arguments.
i.e. DATE(1232) does not work although the manual specifies that this format
will return a date field that is "x" number of days since day 0.
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Key: DERBY-161
URL: http://issues.apache.org/jira/browse/DERBY-161
Project: Derby
Type: Bug
Components: SQL
Versions: 10.0.2.0
Environment: Windows XP Professional SP 1
Reporter: George Baklarz
Priority: Minor
The DATE function returns a date from a value. The argument must be a date,
timestamp, a positive number less than or equal to 3,652,059, a valid string
representation of a date or timestamp, or a string of length 7 that is not a
CLOB or LONG VARCHAR. If the argument is a string of length 7, it must
represent a valid date in the form yyyynnn, where yyyy are digits denoting a
year, and nnn are digits between 001 and 366, denoting a day of that year. The
result of the function is a date. If the argument can be null, the result can
be null; if the argument is null, the result is the null value. The other rules
depend on the data type of the argument specified:
- If the argument is a date, timestamp, or valid string representation of a
date or timestamp: The result is the date part of the value.
- If the argument is a number: The result is the date that is n-1 days after
January 1, 0001, where n is the integral part of the number.
- If the argument is a string with a length of 7: The result is the date
represented
The DATE function does not support integer argument.
ij> values date(12345);
ERROR 42846: Cannot convert types 'INTEGER' to 'DATE'.
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