'Get count variable instances with variables using REST API

I have the below variables

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when i count the number of variable instances with the variable conventionCode, the api returns count = 1

http://localhost:8282/engine-rest/variable-instance/count?processInstanceIdIn=b622ad4d-9a11-11ec-937b-0242ac11000a&variableValues=conventionCode_eq_01018

when i count the number of variable instances with the variable exerciceFrameworkId, the api returns count = 1

http://localhost:8282/engine-rest/variable-instance/count?processInstanceIdIn=b622ad4d-9a11-11ec-937b-0242ac11000a&variableValues=exerciceFrameworkId_eq_SA-FR-LAB-6969284

The problem is when i use the two variables conventionCode and exerciceFrameworkId, the api returns count = 0

http://localhost:8282/engine-rest/variable-instance/count?processInstanceIdIn=b622ad4d-9a11-11ec-937b-0242ac11000a&variableValues=conventionCode_eq_01018,exerciceFrameworkId_eq_SA-FR-LAB-6969284
camunda


Solution 1:[1]

The API is focused on variables. So it will check each variable if your filters match.

In your example you defined 2 filters:

  • conventionCode_eq_01018
  • exerciceFrameworkId_eq_SA-FR-LAB-6969284

So for each variable with the name conventionCode and the value 01018 the first filter matches.

However, it is impossible that this matches to the 2. filter as its name is conventionCode and not exerciceFrameworkId.

So in the end you have no variables in your result.

That means it is a logical AND and not as you expected a logical OR.

See also the REST-API Reference

Sources

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Source: Stack Overflow

Solution Source
Solution 1 pme

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