java.lang.Object
- net.snowflake.client.core.SFBaseSession
- - net.snowflake.client.core.SFSession

public class SFSession
extends SFBaseSession

Snowflake session implementation

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`DEFAULT_HTTP_CLIENT_SOCKET_TIMEOUT`
`static String`	`SF_HEADER_AUTHORIZATION`
`static String`	`SF_HEADER_SNOWFLAKE_AUTHTYPE`
`static String`	`SF_HEADER_TOKEN_TAG`
`static String`	`SF_QUERY_REQUEST_ID`

Fields inherited from class net.snowflake.client.core.SFBaseSession
heartbeatFrequency, MEMORY_LIMIT_UNSET, sqlWarnings

Constructor Summary

Constructors
Constructor Description

SFSession()

SFSession(DefaultSFConnectionHandler sfConnectionHandler)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addQueryToActiveQueryList(String queryID)`	Add async query to list of active async queries based on its query ID
`void`	`addSFSessionProperty(String propertyName, Object propertyValue)`	Add a property If a property is known for connection, add it to connection properties If not, add it as a dynamic session parameters
`void`	`callHeartBeat(int timeout)`	Makes a heartbeat call to check for session validity.
`List<DriverPropertyInfo>`	`checkProperties()`	Validates the connection properties used by this session, and returns a list of missing properties.
`void`	`close()`	Close the connection
`void`	`closeTelemetryClient()`
`boolean`	`containProperty(String key)`
`protected int`	`getAndIncrementSequenceId()`
`int`	`getAuthTimeout()`
`boolean`	`getEnableCombineDescribe()`
`int`	`getHttpClientConnectionTimeout()`
`int`	`getHttpClientSocketTimeout()`
`String`	`getIdToken()`
`int`	`getInjectClientPause()`
`int`	`getInjectSocketTimeout()`
`int`	`getMaxHttpRetries()`
`String`	`getMfaToken()`
`int`	`getNetworkTimeoutInMilli()`
`QueryContextDTO`	`getQueryContextDTO()`
`QueryStatus`	`getQueryStatus(String queryID)`
`String`	`getSessionToken()`	get session token
`SFClientConfig`	`getSfClientConfig()`
`SnowflakeConnectString`	`getSnowflakeConnectionString()`
`Telemetry`	`getTelemetryClient()`	Returns the telemetry client, if supported, by this session.
`protected void`	`heartbeat()`	Send heartbeat for the session
`boolean`	`isAsyncSession()`
`boolean`	`isClosed()`
`boolean`	`isSafeToClose()`	Function that checks if the active session can be closed when the connection is closed.
`void`	`open()`	Open a new database session
`void`	`setEnableCombineDescribe(boolean enable)`
`void`	`setInjectClientPause(int injectClientPause)`
`void`	`setInjectSocketTimeout(int injectSocketTimeout)`
`void`	`setQueryContext(String queryContext)`
`void`	`setSfClientConfig(SFClientConfig sfClientConfig)`
`void`	`setSnowflakeConnectionString(SnowflakeConnectString connStr)`
`protected void`	`startHeartbeatForThisSession()`	Start heartbeat for this session
`protected void`	`stopHeartbeatForThisSession()`	Stop heartbeat for this session

Methods inherited from class net.snowflake.client.core.SFBaseSession
addProperty, addProperty, clearSqlWarnings, getArrayBindStage, getArrayBindStageThreshold, getAutoCommit, getClientInfo, getClientInfo, getClientMemoryLimit, getClientPrefetchThreads, getClientResultChunkSize, getCommonParameters, getConnectionPropertiesMap, getConservativeMemoryAdjustStep, getDatabase, getDatabaseMajorVersion, getDatabaseMinorVersion, getDatabaseVersion, getEnableHeartbeat, getEnableReturnTimestampWithTimeZone, getFormatDateWithTimezone, getHeartbeatFrequency, getHttpClientKey, getInjectFileUploadFailure, getInjectWaitInPut, getMemoryLimitForTesting, getMetadataRequestUseConnectionCtx, getMetadataRequestUseSessionDatabase, getOCSPMode, getOtherParameter, getPreparedStatementLogging, getQueryContextCacheSize, getQueryTimeout, getRole, getSchema, getServerUrl, getServiceName, getSessionId, getSessionPropertyByKey, getSfConnectionHandler, getSqlWarnings, getStoreTemporaryCredential, getTimestampMappedType, getTreatNTZAsUTC, getUrl, getUser, getUseRegionalS3EndpointsForPresignedURL, getUseSessionTimezone, getValidateDefaultParameters, getWarehouse, isClientTelemetryEnabled, isConservativeMemoryUsageEnabled, isJdbcTreatDecimalAsInt, isResultColumnCaseInsensitive, isSfSQLMode, isStringQuoted, setArrayBindStage, setArrayBindStageThreshold, setAutoCommit, setClientMemoryLimit, setClientPrefetchThreads, setClientResultChunkSize, setClientTelemetryEnabled, setCommonParameters, setConservativeMemoryAdjustStep, setDatabase, setDatabaseMajorVersion, setDatabaseMinorVersion, setDatabaseVersion, setEnableConservativeMemoryUsage, setEnableHeartbeat, setFormatDateWithTimezone, setHeartbeatFrequency, setInjectedDelay, setInjectFileUploadFailure, setJdbcTreatDecimalAsInt, setMemoryLimitForTesting, setMetadataRequestUseConnectionCtx, setMetadataRequestUseSessionDatabase, setOtherParameter, setPreparedStatementLogging, setQueryContextCacheSize, setResultColumnCaseInsensitive, setRole, setSchema, setServiceName, setSessionId, setSessionPropertyByKey, setSfSQLMode, setStoreTemporaryCredential, setTimestampMappedType, setTreatNTZAsUTC, setUseRegionalS3EndpointsForPresignedURL, setUseSessionTimezone, setValidateDefaultParameters, setWarehouse, unsetInvalidProxyHostAndPort

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - SF_QUERY_REQUEST_ID
```
public static final String SF_QUERY_REQUEST_ID
```
    See Also:
    
    Constant Field Values
  - SF_HEADER_AUTHORIZATION
```
public static final String SF_HEADER_AUTHORIZATION
```
    See Also:
    
    Constant Field Values
  - SF_HEADER_SNOWFLAKE_AUTHTYPE
```
public static final String SF_HEADER_SNOWFLAKE_AUTHTYPE
```
    See Also:
    
    Constant Field Values
  - SF_HEADER_TOKEN_TAG
```
public static final String SF_HEADER_TOKEN_TAG
```
    See Also:
    
    Constant Field Values
  - DEFAULT_HTTP_CLIENT_SOCKET_TIMEOUT
```
public static final int DEFAULT_HTTP_CLIENT_SOCKET_TIMEOUT
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - SFSession
```
public SFSession()
```
  - SFSession
```
public SFSession(DefaultSFConnectionHandler sfConnectionHandler)
```
- Method Detail
  - isSafeToClose
```
public boolean isSafeToClose()
```
    Function that checks if the active session can be closed when the connection is closed. If there are active asynchronous queries running, the session should stay open even if the connection closes so that the queries can finish running.
    
    Specified by:
    
    isSafeToClose in class SFBaseSession
    
    Returns:
    
    true if it is safe to close this session, false if not
  - addQueryToActiveQueryList
```
public void addQueryToActiveQueryList(String queryID)
```
    Add async query to list of active async queries based on its query ID
    
    Parameters:
    
    queryID - query ID
  - getQueryStatus
```
public QueryStatus getQueryStatus(String queryID)
                           throws SQLException
```
    Specified by:
    
    getQueryStatus in class SFBaseSession
    
    Parameters:
    
    queryID - query ID of the query whose status is being investigated
    
    Returns:
    
    enum of type QueryStatus indicating the query's status
    
    Throws:
    
    SQLException
  - addSFSessionProperty
```
public void addSFSessionProperty(String propertyName,
                                 Object propertyValue)
                          throws SFException
```
    Add a property If a property is known for connection, add it to connection properties If not, add it as a dynamic session parameters
    Make sure a property is not added more than once and the number of properties does not exceed limit.
    
    Parameters:
    
    propertyName - property name
    
    propertyValue - property value
    
    Throws:
    
    SFException - exception raised from Snowflake components
  - containProperty
```
public boolean containProperty(String key)
```
  - open
```
public void open()
          throws SFException,
                 SnowflakeSQLException
```
    Open a new database session
    
    Throws:
    
    SFException - this is a runtime exception
    
    SnowflakeSQLException - exception raised from Snowflake components
  - getSessionToken
```
public String getSessionToken()
```
    get session token
    
    Returns:
    
    session token
  - close
```
public void close()
           throws SFException,
                  SnowflakeSQLException
```
    Close the connection
    
    Specified by:
    
    close in class SFBaseSession
    
    Throws:
    
    SnowflakeSQLException - if failed to close the connection
    
    SFException - if failed to close the connection
  - callHeartBeat
```
public void callHeartBeat(int timeout)
                   throws Exception,
                          SFException
```
    Makes a heartbeat call to check for session validity.
    
    Specified by:
    
    callHeartBeat in class SFBaseSession
    
    Parameters:
    
    timeout - the query timeout
    
    Throws:
    
    Exception - if an error occurs
    
    SFException - exception raised from Snowflake
  - startHeartbeatForThisSession
```
protected void startHeartbeatForThisSession()
```
    Start heartbeat for this session
  - stopHeartbeatForThisSession
```
protected void stopHeartbeatForThisSession()
```
    Stop heartbeat for this session
  - heartbeat
```
protected void heartbeat()
                  throws SFException,
                         SQLException
```
    Send heartbeat for the session
    
    Throws:
    
    SFException - exception raised from Snowflake
    
    SQLException - exception raised from SQL generic layers
  - getInjectSocketTimeout
```
public int getInjectSocketTimeout()
```
  - setInjectSocketTimeout
```
public void setInjectSocketTimeout(int injectSocketTimeout)
```
  - getNetworkTimeoutInMilli
```
public int getNetworkTimeoutInMilli()
```
    Specified by:
    
    getNetworkTimeoutInMilli in class SFBaseSession
  - getAuthTimeout
```
public int getAuthTimeout()
```
    Specified by:
    
    getAuthTimeout in class SFBaseSession
  - getHttpClientSocketTimeout
```
public int getHttpClientSocketTimeout()
```
  - getHttpClientConnectionTimeout
```
public int getHttpClientConnectionTimeout()
```
  - isClosed
```
public boolean isClosed()
```
  - getInjectClientPause
```
public int getInjectClientPause()
```
  - getMaxHttpRetries
```
public int getMaxHttpRetries()
```
    Specified by:
    
    getMaxHttpRetries in class SFBaseSession
  - setInjectClientPause
```
public void setInjectClientPause(int injectClientPause)
```
  - getAndIncrementSequenceId
```
protected int getAndIncrementSequenceId()
```
  - getEnableCombineDescribe
```
public boolean getEnableCombineDescribe()
```
    Overrides:
    
    getEnableCombineDescribe in class SFBaseSession
  - setEnableCombineDescribe
```
public void setEnableCombineDescribe(boolean enable)
```
    Overrides:
    
    setEnableCombineDescribe in class SFBaseSession
  - getTelemetryClient
```
public Telemetry getTelemetryClient()
```
    Description copied from class: SFBaseSession
    
    Returns the telemetry client, if supported, by this session. If not, should return a NoOpTelemetryClient.
    
    Specified by:
    
    getTelemetryClient in class SFBaseSession
  - closeTelemetryClient
```
public void closeTelemetryClient()
```
  - getIdToken
```
public String getIdToken()
```
  - getMfaToken
```
public String getMfaToken()
```
  - getSnowflakeConnectionString
```
public SnowflakeConnectString getSnowflakeConnectionString()
```
    Specified by:
    
    getSnowflakeConnectionString in class SFBaseSession
  - setSnowflakeConnectionString
```
public void setSnowflakeConnectionString(SnowflakeConnectString connStr)
```
  - checkProperties
```
public List<DriverPropertyInfo> checkProperties()
```
    Description copied from class: SFBaseSession
    
    Validates the connection properties used by this session, and returns a list of missing properties.
    
    Specified by:
    
    checkProperties in class SFBaseSession
  - isAsyncSession
```
public boolean isAsyncSession()
```
    Specified by:
    
    isAsyncSession in class SFBaseSession
    
    Returns:
    
    whether this session uses async queries
  - setQueryContext
```
public void setQueryContext(String queryContext)
```
    Specified by:
    
    setQueryContext in class SFBaseSession
  - getQueryContextDTO
```
public QueryContextDTO getQueryContextDTO()
```
    Specified by:
    
    getQueryContextDTO in class SFBaseSession
  - getSfClientConfig
```
public SFClientConfig getSfClientConfig()
```
  - setSfClientConfig
```
public void setSfClientConfig(SFClientConfig sfClientConfig)
```

Constructor	Description
`SFSession()`
`SFSession(DefaultSFConnectionHandler sfConnectionHandler)`

Class SFSession

Field Summary

Fields inherited from class net.snowflake.client.core.SFBaseSession

Constructor Summary

Method Summary

Methods inherited from class net.snowflake.client.core.SFBaseSession

Methods inherited from class java.lang.Object

Field Detail

SF_QUERY_REQUEST_ID

SF_HEADER_AUTHORIZATION

SF_HEADER_SNOWFLAKE_AUTHTYPE

SF_HEADER_TOKEN_TAG

DEFAULT_HTTP_CLIENT_SOCKET_TIMEOUT

Constructor Detail

SFSession

SFSession

Method Detail

isSafeToClose

addQueryToActiveQueryList

getQueryStatus

addSFSessionProperty

containProperty

open

getSessionToken

close

callHeartBeat

startHeartbeatForThisSession

stopHeartbeatForThisSession

heartbeat

getInjectSocketTimeout

setInjectSocketTimeout

getNetworkTimeoutInMilli

getAuthTimeout

getHttpClientSocketTimeout

getHttpClientConnectionTimeout

isClosed

getInjectClientPause

getMaxHttpRetries

setInjectClientPause

getAndIncrementSequenceId

getEnableCombineDescribe

setEnableCombineDescribe

getTelemetryClient

closeTelemetryClient

getIdToken

getMfaToken

getSnowflakeConnectionString

setSnowflakeConnectionString

checkProperties

isAsyncSession

setQueryContext

getQueryContextDTO

getSfClientConfig

setSfClientConfig