Eugene Klimov

> If we start using of timestamp with ms for time column, bar charts become normal, but the last values become incorrect: Turn off “Extrapolate” radio button for correct last...

Could you try to use following query ```sql $columns( status_code, sum(request) as sum_req ) FROM $table WHERE $timeFilter AND status_code != 201 AND status_code != 0 GROUP BY t, status_code...

hm, could you click to "Generated SQL" and share generated query?

Could you check `Generated SQL` it on Graph visualization not on alerts?

ok. thanks a lot for reporting, I will try to fix `$columns + WITH FILL STEP` macros usage you could try to use the following SQL query ```sql SELECT t,...

could you try setup GF_LOG_LEVEL=debug or change grafana.ini log section https://grafana.com/docs/grafana/latest/administration/configuration/#log and try to share logs from `systemctl restart grafana-server && journalctl -xue --no-pager -u grafana-server`

hmm, look like only stop was logged try run `journalctl -xue --no-pager -u grafana-server` again?

@Enton-72 looks strange, i don't see any error related to SQL from vertamedia backend part of plugin plugin succesfully loaded ``` Feb 23 13:19:33 dev-server grafana-server[13955]: logger=plugin.vertamedia-clickhouse-datasource t=2022-02-23T13:19:33.16+0000 lvl=dbug msg="starting...

ok. got it ``` panic: interface conversion: main.Value is float64, not string goroutine 88 [running]: main.(*Response).toFramesWithTimeStamp(0xc000480740, 0x9f97b2, 0xc0001626c0, 0x0, 0xc000465f80, 0x0) /home/runner/work/clickhouse-grafana/clickhouse-grafana/pkg/response.go:119 +0xd1b main.(*Response).toFrames(0xc000010728, 0xc4d5b0, 0xc000480380) /home/runner/work/clickhouse-grafana/clickhouse-grafana/pkg/response.go:34 +0x65 main.(*ClickHouseDatasource).executeQuery(0xc00035e6e0, {0x1,...

@Enton-72 could you try to use following query? `toString(status_code)` should allow us handle query properly ```sql SELECT t, groupArray((toString(status_code), sum_req)) AS groupArr FROM ( SELECT $timeSeries AS t, status_code, sum(request)...