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Template variable dependant of another template variable with "Include All option" on, causes Cannot read property 'replace' of null

See original GitHub issue

Issue Description

Grafana v6.6.2 (3fa63cfc34) ClickHouse datasource for Grafana 4.6+ 1.9.5

I have several dependant templating variables:

image

This one works always.

image

This one for now has “Include All option” disabled, and it works always.

image

This one works only if $CITY has “Include All option” disabled.

If variables are set as described above everything works. Select for CMTS looks like this: select distinct cmts from pre_eq.pre_eq where bulkId in (‘2020-07-10 00:00:00’) and crmCity in (‘BJELOVAR’) FORMAT JSON

If I change $CITY variable in a way to enable “Include All option”, I am getting an error: “Template variable service failed Cannot read property ‘replace’ of null”

Looks like there is a problem with interpretation of the $CITY variable when “Include All option” is selected.

Database fields are of types: ,bulkId DATETIME ,cmts String ,crmCity Nullable(String)

Is there any workaround?

Issue Analytics

  • State:closed
  • Created 3 years ago
  • Comments:12

github_iconTop GitHub Comments

1reaction
Slachcommented, Jul 15, 2020

@sundy-li quick workaround for you SELECT ... WHERE os IN ( arrayMap((x)->toString(x),${client_version}) )

0reactions
Slachcommented, Jul 22, 2020

@ghuname ok, could you close this issue and create a new issue? what you mean “template variable engine is confused”? do you mean something wrong with grafana UI or clickhouse-grafana replace template variable with wrong values?

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