Display full text for metric errors

[e-mars]

Is your feature request related to a problem? Please describe.
If there is an error in fetching data, the plugin only displays a generic error as in screenshotsbut not the full error received to help troubleshoot the issue.

Describe the solution you'd like
Display full error from ClickHouse

Describe alternatives you've considered
View logs or try to reproduce using CLI or curl for particular failing query.

[rlazimi-dev]

Thank you @e-mars!

This issue also occurs for ClickHouse version:

22.2.2.1

and Grafana Version:

Version 8.3.2 (commit: afb9e8e5f3, branch: HEAD)

[e-mars]

on roadmap: #206

[gingerwizard]

@rlazimi-dev do you have any examples here? timeouts show as a context exceeded which defn needs to be improved. Other errors e.g. SELECT x are quite descriptive, however. Any other cases? @e-mars

[gingerwizard]

timeouts here #187

[gingerwizard]

Issue #206 not reproducible.

[e-mars]

@gingerwizard
example below: