46. Snowflake 
46.1. Snowflake Version Support
The driver enables standards-based access to all Snowflake editions.
46.2. Connection Options
46.2.1. Authentication
Property | Description |
AuthScheme | The authentication scheme used. Accepted entries are Password, OKTA, PrivateKey, AzureAD, OAuth, or PingFederate. |
Account | The Account provided for authentication with Snowflake database. This is usually derived from the URL automatically. |
Warehouse | The name of the Snowflake warehouse. |
User | The username provided for authentication with the Snowflake database. |
Password | The user's password. |
URL | The URL of Snowflake database. |
MFAPasscode | Specifies the passcode to use for multi-factor authentication. |
RoleName | The role of the Snowflake user: PUBLIC, SYSADMIN, or ACCOUNTADMIN. |
CredentialsLocation | The location of the settings file where credentials are saved. |
46.2.2. Connection
Property | Description |
UseVirtualHosting | If true (default), buckets will be referenced in the request using the hosted-style request: http://yourbucket.s3.amazonaws.com/yourobject. If set to false, the bean will use the path-style request: http://s3.amazonaws.com/yourbucket/yourobject. Note that this property will be set to false, in case of an S3 based custom service when the CustomURL is specified. |
46.2.3. Azure Authentication
Property | Description |
AzureTenant | The Microsoft Online tenant being used to access data. If not specified, your default tentant will be used. |
46.2.4. SSO
Property | Description |
ProofKey | The ProofKey for authentication with Snowflake database. This is usually derived from GetSSOAuthorizationURL call. |
ExternalToken | The External Token for authentication with the Snowflake database. This is usually derived from the external handler. For example, handle the callback URL from procedure GetSSOAuthorizationURL will get this token. |
SSOProperties | Additional properties required to connect to the identity provider in a semicolon-separated list. |
46.2.5. KeyPairAuth
Property | Description |
PrivateKey | The private key provided for key pair authentication with Snowflake. |
PrivateKeyPassword | The password for the private key specified in the PrivateKey property, if required. |
PrivateKeyType | The type of key store containing the private key to use with key pair authentication. |
46.2.6. 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. |
CallbackURL | The OAuth callback URL to return to when authenticating. This value must match the callback URL you specify in your Add-In settings. |
State | An optional value that has meaning for your OAuth App. |
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://. |
OAuthAuthenticator | This determines the authenticator that the OAuth application requests from Snowflake. |
Scope | This determines the scopes that the OAuth application requests from Snowflake. |
OAuthAuthorizationURL | The authorization URL for the OAuth service. |
OAuthAccessTokenURL | The URL to retrieve the OAuth access token from. |
OAuthVerifier | The verifier code returned from the OAuth authorization URL. |
PKCEVerifier | A random value used as input for calling GetOAuthAccessToken in the PKCE flow. |
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. |
46.2.7. SSL
Property | Description |
SSLServerCert | The certificate to be accepted from the server when connecting using TLS/SSL. |
46.2.8. 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. |
46.2.9. 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 . |
46.2.10. 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. |
46.2.11. 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. |
Database | The name of the Snowflake database. |
Schema | The schema of the Snowflake database. |
46.2.12. 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. |
46.2.13. Miscellaneous
Property | Description |
AllowPreparedStatement | Prepare a query statement before its execution. |
ApplicationName | The application name connection string property expresses the HTTP User-Agent. |
AsyncQueryTimeout | The timeout for asynchronous requests issued by the provider to download large result sets. |
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 Snowflake when the connection is opened. |
CustomStage | The name of a custom stage to use during bulk write operations. |
EnableArrow | Whether to support Apache Arrow. |
ExternalStageAWSAccessKey | Your AWS account access key. Only used when defining a CustomStage for bulk write operations. |
ExternalStageAWSSecretKey | Your AWS account secret key. Only used when defining a CustomStage for bulk write operations. |
ExternalStageAzureSASToken | The string value of the Azure Blob shared access signature. |
IgnoreCase | Whether to ignore case in identifiers. Default: false. |
IncludeTableTypes | If set to true, the provider will report the types of individual tables and views. |
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. |
MaxThreads | Specifies the number of concurrent requests. |
MergeDelete | A boolean indicating whether batch DELETE statements should be converted to MERGE statements automatically. Only used when the DELETE statement's where clause contains a table's primary key field only and they are combined with AND logical operator. |
MergeInsert | A boolean indicating whether INSERT statements should be converted to MERGE statements automatically. Only used when the INSERT contains a table's primary key field. |
MergeUpdate | A boolean indicating whether batch UPDATE statements should be converted to MERGE statements automatically. Only used when the UPDATE statement's where clause contains a table's primary key field only and they are combined with AND logical operator. |
Other | These hidden properties are used only in specific use cases. |
Pagesize | The maximum number of results to return per page from Snowflake. |
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. |
QueryPassthrough | This option passes the query to the Snowflake server as is. |
Readonly | You can use this property to enforce read-only access to Snowflake from the provider. |
ReplaceInvalidUTF8Chars | Specifies whether to repalce invalid UTF8 characters with a '?'. |
RetryOnS3Timeout | Whether or not to retry when network issues occur at during chunk downloading. |
RTK | The runtime key used for licensing. |
SessionParameters | The session parameters for Snowflake. For example: SessionParameters='QUERY_TAG=MyTag;QUOTED_IDENTIFIERS_IGNORE_CASE=True;';. |
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. |
UseAsyncQuery | This field sets whether async query is enabled. |
UseConnectionPooling | This property enables connection pooling. |