Joget Workflow v6 Beta 2 Released

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Definition

ID Generator Field is used to produce a running number based on an Environment variable.  To learn more about its usage, refer to Generate Reference ID.

You will only need to do this if you are using MySQL, as other databases already default to "READ-COMMITTED".

Run following queries in MySQL.

SET GLOBAL tx_isolation='READ-COMMITTED';
SET SESSION tx_isolation='READ-COMMITTED';

 

You will also need to set the following in your my.cnf/my.ini file.
[mysqld]
transaction-isolation = READ-COMMITTED


Figure 1: Screenshot highlighting ID Reference Field in sample HR Expenses Claim app

Screenshots in this article obtained from http://localhost:8080/jw/web/console/app/hr_expense/1/form/builder/hr_expense_new

Figure 2: ID Generator Field Properties

NameDescription
ID

Element ID (By declaring as "ref", a corresponding database table column "c_ref" will be created)

Note when using this element when the form is part of a workflow process

Do not set the id as "id" when the form is used as part of a workflow process. The value generated by this element will not be associated with process instance's ID.

LabelElement Label to be displayed to end user.
Environment Variable Name

Name of the environment variable to be used to keep the running number.

Format

Determines the pattern of the generated value (e.g., "REF-?????" will yield "REF-00001")

Figure 3: ID Generator Field Properties - Advanced Options

NameDescription
Hidden?

Determines if the element should be made visible in the form.

Workflow Variable

If the form is part of a workflow process, upon saving of the form (by clicking on "Save as Draft" or "Complete" button). The value in this input field will be saved into the corresponding workflow variable named here.

Using a non-existent Workflow Variable name

You will get the following warning with the name printed out (e.g. status) in the server log if you attempt to map to a non-existent Workflow Variable.


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