# Bug in Tag Historian Query when using tall format

**URL:** <https://forum.inductiveautomation.com/t/bug-in-tag-historian-query-when-using-tall-format/23652>\
**Category:** Ignition\
**Created:** [March 27, 2019, 4:18pm UTC](https://forum.inductiveautomation.com/t/bug-in-tag-historian-query-when-using-tall-format/23652 "2019-03-27T16:18:45Z")\
**Posts on this page:** 6\
**Page:** 1

<div class="post-metadata">

**Author:** ![bpreston](https://avatars.discourse-cdn.com/v4/letter/b/4af34b/32.png) [@bpreston](https://forum.inductiveautomation.com/u/bpreston)\
**Post date:** [March 27, 2019, 4:18pm UTC](https://forum.inductiveautomation.com/t/bug-in-tag-historian-query-when-using-tall-format/23652/1 "2019-03-27T16:18:45Z")

</div>

Has anyone run into an issue with using tall formatting with the tag historian query in the reports where it displays the wrong data key alias? It appears the data keys are being offset by 1 with the first one being replaced by t\_stamp. I’m using version 7.9.9 currently.

Example 1 tag setup:

 ![example%201%20tags](https://us1.discourse-cdn.com/inductiveautomation/original/2X/8/84b7f5fa21ec3885d82c602722e3a2fff06ffb11.png)

Example 1 results:  
 ![example%201%20preview](https://us1.discourse-cdn.com/inductiveautomation/original/2X/8/8f4f1d0ee3dcd045f71a56709c23f35549b3b580.png)

Example 2 tag setup:

 ![example%202%20tags](https://us1.discourse-cdn.com/inductiveautomation/original/2X/b/b7e0b024629c20ef13d692004c43eae224b9a45b.png)

Example 2 results:  
 ![example%202%20preview](https://us1.discourse-cdn.com/inductiveautomation/original/2X/b/be638617ec379b3aef7e09164e9a04610338b73d.png)

---

<div class="post-metadata">

**Author:** ![paul-griffith](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/paul-griffith/32/37249_2.png) [@paul-griffith](https://forum.inductiveautomation.com/u/paul-griffith)\
**Post date:** [March 27, 2019, 4:24pm UTC](https://forum.inductiveautomation.com/t/bug-in-tag-historian-query-when-using-tall-format/23652/2 "2019-03-27T16:24:31Z")

</div>

Yes, this is a known bug. We’ve fixed it in 8, but haven’t yet backported the fix to 7.9.

---

<div class="post-metadata">

**Author:** ![bpreston](https://avatars.discourse-cdn.com/v4/letter/b/4af34b/32.png) [@bpreston](https://forum.inductiveautomation.com/u/bpreston)\
**Post date:** [March 27, 2019, 4:35pm UTC](https://forum.inductiveautomation.com/t/bug-in-tag-historian-query-when-using-tall-format/23652/3 "2019-03-27T16:35:03Z")

</div>

That sucks, I know I can get around it through scripting but I’ll have to remember to watch out for if its fixed on a later version. Thank you PGriffith

---

<div class="post-metadata">

**Author:** ![rolling](https://avatars.discourse-cdn.com/v4/letter/r/41988e/32.png) [@rolling](https://forum.inductiveautomation.com/u/rolling)\
**Post date:** [July 12, 2021, 10:05pm UTC](https://forum.inductiveautomation.com/t/bug-in-tag-historian-query-when-using-tall-format/23652/4 "2021-07-12T22:05:39Z")

</div>

This still seems to be a bug in 8.1.7

---

<div class="post-metadata">

**Author:** ![paul-griffith](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/paul-griffith/32/37249_2.png) [@paul-griffith](https://forum.inductiveautomation.com/u/paul-griffith)\
**Post date:** [July 12, 2021, 10:18pm UTC](https://forum.inductiveautomation.com/t/bug-in-tag-historian-query-when-using-tall-format/23652/5 "2021-07-12T22:18:04Z")

</div>

Huh, so it is. It was supposed to be fixed with the Power Chart in 8.1.0. I’ll update the bug ticket.

---

<div class="post-metadata">

**Author:** ![fmills](https://avatars.discourse-cdn.com/v4/letter/f/e9a140/32.png) [@fmills](https://forum.inductiveautomation.com/u/fmills)\
**Post date:** [July 15, 2022, 12:40am UTC](https://forum.inductiveautomation.com/t/bug-in-tag-historian-query-when-using-tall-format/23652/6 "2022-07-15T00:40:46Z")

</div>

It’s still a problem in 8.1.1, the only difference is that last tag path in the list is replace with the t\_stamp alias.