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update state query API doc with usage limitations (#2101) 

Signed-off-by: Dmitry Shmulevich <dmitry.shmulevich@gmail.com>

Co-authored-by: Mark Fussell <mfussell@microsoft.com>

Co-authored-by: Mark Fussell <mfussell@microsoft.com>
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Dmitry Shmulevich 2022-01-14 15:31:00 -08:00 committed by GitHub
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daprdocs/content/en/developing-applications/building-blocks/state-management/howto-state-query-api.md
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@ -17,8 +17,13 @@ The state query API provides a way of querying the key/value data stored in stat
Even though the state store is a key/value store, the `value` might be a JSON document with its own hierarchy, keys, and values.
The query API allows you to use those keys and values to retrive corresponding documents.
This query API does not support querying of actor state stored in a state store. For that you need to use the query API for the specific database.
See [querying actor state]({{< ref "state-management-overview.md#querying-actor-state" >}}).
### Limitations
The state query API has the following limitations:
- The API does not support querying of actor state stored in a state store. For that you need to use the query API for the specific database. See [querying actor state]({{< ref "state-management-overview.md#querying-actor-state" >}}).
- The API does not work with Dapr [encrypted state stores]({{<ref howto-encrypt-state>}}) capability. Since the encryption is done by the Dapr runtime and stored as encrypted data, then this effectively prevents server side querying.
You can find additional information in the [related links]({{< ref "#related-links" >}}) section.