Using system.tag.queryHistory to query history from another database?

Ignition
1

I have a backup database that I would like to use to query tag history from using the standard system.tag.queryHistory function.. however it seems as though the function is tied directly to the history config on the tags themselves. e.g. if a tag's history provider is set to A, I can't tell the function to query from B instead.

Is the only option to replicate this function myself? :skull:

2

Use QualifiedPath objects instead of TagPath objects in your lists.

1 Like
3

Of course! I was testing with the Vision EasyChart which doesn't have a GUI for choosing the history provider like the Perspective Power Chart does and it corrupted my thoughts.

Cheers