21. Google Data Catalog 
21.1. Connection Options
21.1.1. Authentication
Property | Description |
AuthScheme | The type of authentication to use when connecting to Google Data Catalog. |
OrganizationId | The ID associated with the Google Cloud Platform organization resource to connect to. |
ProjectId | The ID associated with the Google Cloud Platform project resource you would like to connect to. |
21.1.2. OAuth
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, this can be held 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. |
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. |
21.1.3. JWT OAuth
Property | Description |
OAuthJWTCert | The JWT Certificate store. |
OAuthJWTCertType | The type of key store containing the JWT Certificate. |
OAuthJWTCertPassword | The password for the OAuth JWT certificate. |
OAuthJWTCertSubject | The subject of the OAuth JWT certificate. |
OAuthJWTIssuer | The issuer of the Java Web Token. |
OAuthJWTSubject | The user subject for which the application is requesting delegated access. |
21.1.4. SSL
Property | Description |
SSLServerCert | The certificate to be accepted from the server when connecting using TLS/SSL. |
21.1.5. Firewall
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. |
21.1.6. Proxy
Property | Description |
ProxyAutoDetect | This indicates whether to use the system proxy settings or not. This takes precedence over other proxy settings, so you'll need to set ProxyAutoDetect to FALSE in order use custom proxy settings. |
ProxyServer | The hostname or IP address of a proxy to route HTTP traffic through. |
ProxyPort | The TCP port the ProxyServer proxy is running on. |
ProxyAuthScheme | The authentication type to use to authenticate to the ProxyServer proxy. |
ProxyUser | A user name to be used to authenticate to the ProxyServer proxy. |
ProxyPassword | A password to be used to authenticate to the ProxyServer proxy. |
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 . |
21.1.7. Logging
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. |
21.1.8. Schema
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. |
21.1.9. Caching
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 to be 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. |
21.1.10. Miscellaneous
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 species whether to connect to the Google Data Catalog when the connection is opened. |
MaxRows | Limits the number of rows returned rows when no aggregation or group by is used in the query. This helps avoid performance issues at design time. |
Other | These hidden properties are used only in specific use cases. |
Pagesize | The maximum number of results to return per page from Google Data Catalog. |
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 | This property indicates whether or not to include pseudo columns as columns to the table. |
RTK | The runtime key used for licensing. |
SupportEnhancedSQL | This property enhances SQL functionality beyond what can be supported through the API directly, by enabling in-memory client-side processing. |
Timeout | The value in seconds until the timeout error is thrown, canceling the operation. |
UseConnectionPooling | This property enables connection pooling. |