MySQL: Incorrect Date Value - mysql

Question

I am parsing an xml file that has following data structure:
<row Id="253858" UserId="40883" Name="Scholar" Date="2009-03-08T01:52:32.570" />
<row Id="253860" UserId="19483" Name="Supporter" Date="2009-03-08T01:57:31.733" />
<row Id="253861" UserId="74951" Name="Autobiographer" Date="2009-03-08T02:02:32.390" />
I used a ruby script to parse this data and insert them into a mysql database. Here is how my data table looks like:
+---------+-------------+------+-----+-------------------+-----------------------------+
| Field | Type | Null | Key | Default | Extra |
+---------+-------------+------+-----+-------------------+-----------------------------+
| id | int(11) | NO | PRI | NULL | |
| user_id | int(11) | NO | | NULL | |
| name | varchar(40) | YES | | NULL | |
| created | timestamp | NO | | CURRENT_TIMESTAMP | on update CURRENT_TIMESTAMP |
+---------+-------------+------+-----+-------------------+-----------------------------+
This xml file has large number of records and until the parser gets to 3rd record I don't get any error and all the data get parse correctly and insert into the table:
| 253857 | 23658 | Critic | 2009-03-08 01:52:32 |
| 253858 | 40883 | Scholar | 2009-03-08 01:52:33 |
| 253860 | 19483 | Supporter | 2009-03-08 01:57:32 |
+--------+---------+--------------------+---------------------+
But when we get to the record with row Id="253861" I get the following mysql error:
load.rb:21:in `execute': Incorrect datetime value: '2009-03-08T02:02:32.390' for column 'created' at row 1 (Mysql::Error)
from load.rb:21:in `on_start_element'
from load.rb:133:in `parse'
from load.rb:133:in `<main>'
incase if you need the ruby method that insert records:
def on_start_element(element, attributes)
if element == 'row'
#st.execute(attributes['Id'], attributes['UserId'], attributes['Name'], attributes['Date'])
end
end
end
I don't think this is related to script, because I extracted the record from xml file and tried to insert directly into my mysql table and I got the following error:
mysql> insert into badge values(253861,74951,'Autobiographer','2009-03-08T02:02:32.390');
ERROR 1292 (22007): Incorrect datetime value: '2009-03-08T02:02:32.390' for column 'created' at row 1
I also tried to insert the record that is after the above record in the xml file and I got the same results:
mysql> insert into badge values(253862,49628,'Teacher','2009-03-08T02:12:30.807');
ERROR 1292 (22007): Incorrect datetime value: '2009-03-08T02:12:30.807' for column 'created' at row 1
So something in that date string makes mysql unhappy. What I couldn't figure out is that date and previous records that has the same date structure didn't have any problem. Hope I have explain the problem clear with information.

Answer 1

Since you said you insert dates in a couple of places I would suggest you write and helper method to do date conversions that you can reuse everywhere you need to insert dates
require 'date'
def iso8601_to_mysql_datetime(date)
DateTime.parse(date).to_time.strftime("%F %T")
end
iso8601_to_mysql_datetime('2009-03-08T02:02:32.390')
=> "2009-03-08 02:02:32"
NOTE: The above converts a ISO8601 into a string that MySQL understands
MySQL date and time literal documentation can be found here:
http://dev.mysql.com/doc/refman/5.6/en/date-and-time-literals.html