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Denodo: added documentation for new options in version 1.0.9 of the connector #576

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29 changes: 29 additions & 0 deletions powerquery-docs/connectors/denodo.md
Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,9 @@ To make the connection, take the following steps:

:::image type="content" source="./media/denodo/denodo-basic-authentication.png" alt-text="Denodo basic authentication in Power BI Desktop.":::

> [!NOTE]
> Older versions of the Denodo connector required the escaping of certain password characters. As of version 1.0.8 this is no longer needed.

8. Once you're done, select **Connect**.

9. In **Navigator**, select the data you need from the database you want and choose **Load**, or choose **Transform Data** if you're going to modify the incoming data.
Expand All @@ -140,6 +143,8 @@ To make the connection, take the following steps:
In order to create the data source, you have to specify the way to connect to the data source of your choice:
* Through DSN
* Using a connection string
> [!NOTE]
> When deciding whether to connect via a connection string or DSN, it is recommended to use the latter. This is because the DSN configuration offers many more configuration options that may not be directly available when using a connection string.

You also have to specify the authentication mode. The available authentication methods are:
* **Windows**: When you choose to use Windows authentication, Power BI service connects to Virtual DataPort using Kerberos authentication. You need:
Expand Down Expand Up @@ -186,6 +191,30 @@ This parameter can only be used from the **Advanced Editor**. To do so, the `Con

:::image type="content" source="./media/denodo/denodo-connectiontimeout.png" alt-text="Use of the ConnectionTimeout parameter.":::

### Use of the QueryTimeout parameter.

If you want to control how long to wait before abandoning an attempt to make the execution of a query you can use the `QueryTimeout` parameter.

This parameter can only be used from the **Advanced Editor**. To do so, the `QueryTimeout` parameter must be added in the record options, associating a value of type Number to it. This numeric value is represented in milliseconds, e.g. 10000 -> 10s.

:::image type="content" source="./media/denodo/denodo-querytimeout.png" alt-text="Use of the QueryTimeout parameter.":::

### Use of the UserAgent parameter.

If you want to specify the name of the client application you can use the `UserAgent` parameter.

This parameter can only be used from the **Advanced Editor**. To do so, the `UserAgent` parameter must be added in the record options, associating a value of type `Text`.

:::image type="content" source="./media/denodo/denodo-useragent.png" alt-text="Use of the UserAgent parameter.":::

### Use of the Compression parameter.

It is recommended to activate this setting when the client application and the Denodo server are connected through a WAN. In these cases you can expect significant performance improvements when the client application reads moderate or large data volumes. For this you can use the `Compression` parameter.

This parameter can only be used from the **Advanced Editor**. To do so, the `Compression` parameter must be added in the record options, associating a value of type `Number` (0 or 1).

:::image type="content" source="./media/denodo/denodo-compression.png" alt-text="Use of the Compression parameter.":::

## Troubleshooting

### Loading data when a field in a Denodo view has more than 42 relations with other views.
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