How to use WC_String_Ext table in BIRT to get historic data on custom attribute?

Cesar Sasaki (511●2●85●126) | asked Oct 10 '16, 4:28 p.m.
edited Oct 10 '16, 4:44 p.m.

I want to make a report on historic changes on a custom attribute of a workitem.

I may have to use the "WC_STRING_EXT" but I can not understand it. I filter the "KEY" to my attribute id, but I keep seein the same value.

The DW says that there should be a PREV_VAL column but I can not see it on the table.

I'm using BIRT and RTC 4.0.6

thanks!

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Donald Nong (14.5k●4●14) | answered Oct 10 '16, 8:34 p.m.

Are you referring to this post?
https://jazz.net/forum/questions/113542/historical-data-for-custom-attribute-in-birt

You need to join the Workitem_Chngs table to get what you want. Note the definition of the second column of the Wc_Type_Ext table.

Wc_Factid	Long	The Workitem_Chngs fact representing the work item state. A reference to the Workitem_Chngs table

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How to use WC_String_Ext table in BIRT to get historic data on custom attribute?

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