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Hi,
I have a connection which uses a chronoform to save to add records to a database.
Everything works fine but the empty field saves as an empty string as far as I can make out. NULL is not in the table if the field is blank.

The DB column looks like this:
Name - Type - Collation - Null - Default
priority - varchar(2) - utf8_general_ci - Yes - NULL



The debug info on the save looks like this:

[save_new_issue] => Array
(
[data] => Array
(
[notes] => zero hours notes
[priority] =>
[title] => Zero Hours Contract




The actual save looks like:
INSERT INTO `table_name` (`notes`, `priority`, `title`) values ( 'zero hours notes', '', 'Zero Hours Contract');





I have also added this function which works, if I change NULL to 5 the value changes to 5.
if($this->data["Issues"]["priority"] == ""){$this->data["Issues"]["priority"] = NULL;}


When the record saves it leaves the field "priority" blank rather than "NULL".
I was wondering if anyone had any suggestions?

Kind Regards

HI Max,
That has done the trick, thanks again for your help!

Kind Regards

This doesn't work consistently for me.

if($this->data["client_id"] == "") {
   unset($this->data["client_id"]);
}

if($this->data["client_name"] == "") {
  unset($this->data["client_name"]);
}

​
For some reason if either is empty it unsets them from the data array, but it still send the client_name to the save_data action. The client_id is correctly unset.

Hi healyhatman,
​
Yes, assuming you run this code in a PHP action, the solution is to do the following:

$new_data = $this->data;
if($new_data["client_id"] == "") {
unset($new_data["client_id"]);
}

return $new_data;

Then use {var:php_name} as the data provider of the "Save data" action.
​
Best regards,
Max