Connection String Options
The connection string properties are the various options that can be used to establish a connection. This section provides a complete list of the options you can configure in the connection string for this provider. Click the links for further details.
For more information on establishing a connection, see Establishing a Connection.
| Property | Description |
| AuthScheme | The type of authentication to use when connecting to SAP HANA XSA. |
| XSUAAURL | The URL to retrieve the OAuth access token from. |
| URL | The OData service endpoint. |
| User | The SAP HANA XSA user account used to authenticate. |
| Password | The password used to authenticate the user. |
| Property | Description |
| InitiateOAuth | Set this property to initiate the process to obtain or refresh the OAuth access token when you connect. |
| OAuthClientId | The client Id assigned when you register your application with an OAuth authorization server. |
| OAuthClientSecret | The client secret assigned when you register your application with an OAuth authorization server. |
| OAuthAccessToken | The access token for connecting using OAuth. |
| OAuthSettingsLocation | The location of the settings file where OAuth values are saved when InitiateOAuth is set to GETANDREFRESH or REFRESH . Alternatively, you can hold this location in memory by specifying a value starting with 'memory://'. |
| CallbackURL | The OAuth callback URL to return to when authenticating. This value must match the callback URL you specify in your app settings. |
| OAuthGrantType | The grant type for the OAuth flow. |
| OAuthVerifier | The verifier code returned from the OAuth authorization URL. |
| OAuthRefreshToken | The OAuth refresh token for the corresponding OAuth access token. |
| OAuthExpiresIn | The lifetime in seconds of the OAuth AccessToken. |
| OAuthTokenTimestamp | The Unix epoch timestamp in milliseconds when the current Access Token was created. |
| Property | Description |
| SSLServerCert | The certificate to be accepted from the server when connecting using TLS/SSL. |
| Property | Description |
| FirewallType | The protocol used by a proxy-based firewall. |
| FirewallServer | The name or IP address of a proxy-based firewall. |
| FirewallPort | The TCP port for a proxy-based firewall. |
| FirewallUser | The user name to use to authenticate with a proxy-based firewall. |
| FirewallPassword | A password used to authenticate to a proxy-based firewall. |
| Property | Description |
| ProxyAutoDetect | When this connection property is set to True, the provider checks your system proxy settings for existing proxy server configurations (no need to manually supply proxy server details). Set to False if you want to manually configure the provider to connect to a specific proxy server. |
| ProxyServer | The hostname or IP address of the proxy server that you want to route HTTP traffic through. |
| ProxyPort | The TCP port that the proxy server (specified in the ProxyServer connection property) is running on. |
| ProxyAuthScheme | The authentication method the provider uses when authenticating to the proxy server specified in the ProxyServer connection property. |
| ProxyUser | The username of a user account registered with the proxy server specified in the ProxyServer connnection property. |
| ProxyPassword | The password associated with the user specified in the ProxyUser connection property. |
| ProxySSLType | The SSL type to use when connecting to the ProxyServer proxy. |
| ProxyExceptions | A semicolon separated list of destination hostnames or IPs that are exempt from connecting through the ProxyServer . |
| Property | Description |
| Logfile | A filepath which designates the name and location of the log file. |
| Verbosity | The verbosity level that determines the amount of detail included in the log file. |
| LogModules | Core modules to be included in the log file. |
| MaxLogFileSize | A string specifying the maximum size in bytes for a log file (for example, 10 MB). |
| MaxLogFileCount | A string specifying the maximum file count of log files. |
| Property | Description |
| Location | A path to the directory that contains the schema files defining tables, views, and stored procedures. |
| BrowsableSchemas | This property restricts the schemas reported to a subset of the available schemas. For example, BrowsableSchemas=SchemaA,SchemaB,SchemaC. |
| Tables | This property restricts the tables reported to a subset of the available tables. For example, Tables=TableA,TableB,TableC. |
| Views | Restricts the views reported to a subset of the available tables. For example, Views=ViewA,ViewB,ViewC. |
| Property | Description |
| AutoCache | Automatically caches the results of SELECT queries into a cache database specified by either CacheLocation or both of CacheConnection and CacheProvider . |
| CacheDriver | The database driver used to cache data. |
| CacheConnection | The connection string for the cache database. This property is always used in conjunction with CacheProvider . Setting both properties will override the value set for CacheLocation for caching data. |
| CacheLocation | Specifies the path to the cache when caching to a file. |
| CacheTolerance | The tolerance for stale data in the cache specified in seconds when using AutoCache . |
| Offline | Use offline mode to get the data from the cache instead of the live source. |
| CacheMetadata | This property determines whether or not to cache the table metadata to a file store. |
| Property | Description |
| BatchSize | The maximum size of each batch operation to submit. |
| ConnectionLifeTime | The maximum lifetime of a connection in seconds. Once the time has elapsed, the connection object is disposed. |
| ConnectOnOpen | This property specifies whether to connect to the SAP HANA XSA when the connection is opened. |
| MaxRows | Limits the number of rows returned when no aggregation or GROUP BY is used in the query. This takes precedence over LIMIT clauses. |
| ODataVersion | The version of OData to use. By default the provider will attempt to autodetect the version. |
| Other | These hidden properties are used only in specific use cases. |
| Pagesize | The maximum number of results to return per page from SAP HANA XSA. |
| ParametersEntitySets | The comma separated list of the renamed parameter entity sets for the exposed parameterized calculated views. |
| PoolIdleTimeout | The allowed idle time for a connection before it is closed. |
| PoolMaxSize | The maximum connections in the pool. |
| PoolMinSize | The minimum number of connections in the pool. |
| PoolWaitTime | The max seconds to wait for an available connection. |
| PseudoColumns | Specify a set of pseudocolumns to expose as columns. |
| Readonly | You can use this property to enforce read-only access to SAP HANA XSA from the provider. |
| RTK | The runtime key used for licensing. |
| SupportsExpand | Whether you need to specify the base entity's key to query navigation property views. |
| SupportsFormulas | A boolean indicating whether the OData service supports server side formulas. |
| Timeout | The value in seconds until the timeout error is thrown, canceling the operation. |
| UseClientSidePaging | Whether or not the CData ADO.NET Provider for SAP HANA XSA should use client side paging. |
| UseConnectionPooling | This property enables connection pooling. |
| UseEtags | Whether or not the OData source uses Etags. |
| UserDefinedViews | A filepath pointing to the JSON configuration file containing your custom views. |
| UseSimpleNames | Boolean determining if simple names should be used for tables and columns. |