TDV Adapter for Spark SQL

Build 21.0.8137

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 Basic Tab.

Authentication


PropertyDescription
AuthSchemeThe authentication scheme used. Accepted entries are Plain, LDAP, NOSASL, and Kerberos.
ServerThe host name or IP address of the server hosting the SparkSQL database.
PortThe port for the SparkSQL database.
UserThe username used to authenticate with SparkSQL.
PasswordThe password used to authenticate with SparkSQL.
DatabaseThe name of the SparkSQL database.
ProtocolVersionThe Protocol Version used to authenticate with SparkSQL.
ImpersonationProxyUserThe proxy user of the Hive user impersonation.
SaslQopQuality of protection for the SASL framework. The level of quality is negotiated between the client and server during authentication. Used by Kerberos authentication with TCP transport.
TransportModeThe transport mode to use to communicate with the Hive server. Accepted entries are BINARY and HTTP.

Kerberos


PropertyDescription
KerberosKDCThe Kerberos Key Distribution Center (KDC) service used to authenticate the user.
KerberosRealmThe Kerberos Realm used to authenticate the user with.
KerberosSPNThe service principal name (SPN) for the Kerberos Domain Controller.
KerberosKeytabFileThe Keytab file containing your pairs of Kerberos principals and encrypted keys.
KerberosServiceRealmThe Kerberos realm of the service.
KerberosServiceKDCThe Kerberos KDC of the service.
KerberosTicketCacheThe full file path to an MIT Kerberos credential cache file.

SSL


PropertyDescription
SSLClientCertThe TLS/SSL client certificate store for SSL Client Authentication (2-way SSL).
SSLClientCertTypeThe type of key store containing the TLS/SSL client certificate.
SSLClientCertPasswordThe password for the TLS/SSL client certificate.
SSLClientCertSubjectThe subject of the TLS/SSL client certificate.
SSLServerCertThe certificate to be accepted from the server when connecting using TLS/SSL.

Firewall


PropertyDescription
FirewallTypeThe protocol used by a proxy-based firewall.
FirewallServerThe name or IP address of a proxy-based firewall.
FirewallPortThe TCP port for a proxy-based firewall.
FirewallUserThe user name to use to authenticate with a proxy-based firewall.
FirewallPasswordA password used to authenticate to a proxy-based firewall.

Proxy


PropertyDescription
ProxyAutoDetectThis 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.
ProxyServerThe hostname or IP address of a proxy to route HTTP traffic through.
ProxyPortThe TCP port the ProxyServer proxy is running on.
ProxyAuthSchemeThe authentication type to use to authenticate to the ProxyServer proxy.
ProxyUserA user name to be used to authenticate to the ProxyServer proxy.
ProxyPasswordA password to be used to authenticate to the ProxyServer proxy.
ProxySSLTypeThe SSL type to use when connecting to the ProxyServer proxy.
ProxyExceptionsA semicolon separated list of destination hostnames or IPs that are exempt from connecting through the ProxyServer .

Logging


PropertyDescription
LogModulesCore modules to be included in the log file.

Schema


PropertyDescription
LocationA path to the directory that contains the schema files defining tables, views, and stored procedures.

Miscellaneous


PropertyDescription
AsyncQueryTimeoutThe timeout for asynchronous requests issued by the provider to download large result sets.
DescribeCommandThe describe command to determine which describe command will use to communicate with the Hive server. Accepted entries are DESCRIBE and DESC.
DetectViewSpecifies whether to use DECRIBE FORMATTED ... to detect the specified table is view or not.
HTTPPathThe path component of the URL endpoint when using HTTP TransportMode.
MaxRowsLimits 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.
OtherThese hidden properties are used only in specific use cases.
ReadonlyYou can use this property to enforce read-only access to Spark SQL from the provider.
ServerConfigurationsA name-value list of server configuration variables to override the server defaults.
TimeoutThe value in seconds until the timeout error is thrown, canceling the operation.
UseDatabricksUploadApiThis option specifies whether the Databricks Upload API will be use when executing batch insert.
UseDescTableQueryThis option specifies whether the columns will be retrieved using a DESC TABLE query or the GetColumns Thrift API.The GetColumns Thrift API works for the SparkSQL 3.0.0 or later.
UseInsertSelectSyntaxSpecifies whether to use an INSERT INTO SELECT statement.
UseSSLSpecifies whether to use SSL Encryption when connecting to Hive.

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Build 21.0.8137