net.snowflake.client.jdbc

Class SnowflakeUtil

java.lang.Object

net.snowflake.client.jdbc.SnowflakeUtil

public class SnowflakeUtil
extends Object

Author:

jhuang

Field Summary

Fields

Modifier and Type	Field and Description
static String	BIG_DECIMAL_STR
static String	BOOLEAN_STR
static String	BYTE_STR
static String	BYTES_STR
static String	DATE_STR
static String	DOUBLE_STR
static int	EXTRA_TYPES_TIMESTAMP_LTZ Additional data types not covered by standard JDBC
static int	EXTRA_TYPES_TIMESTAMP_NTZ
static int	EXTRA_TYPES_TIMESTAMP_TZ
static String	FLOAT_STR
static String	INT_STR
static String	LONG_STR
static String	SHORT_STR
static String	TIME_STR
static String	TIMESTAMP_STR

Constructor Summary

Constructors

Constructor and Description
SnowflakeUtil()

Method Summary

Modifier and Type	Method and Description
static void	checkErrorAndThrowException(com.fasterxml.jackson.databind.JsonNode rootNode)
static void	checkErrorAndThrowExceptionIncludingReauth(com.fasterxml.jackson.databind.JsonNode rootNode)
static HttpClientSettingsKey	convertProxyPropertiesToHttpClientKey(OCSPMode mode, Properties info) Setup JDBC proxy properties if necessary.
static ThreadPoolExecutor	createDefaultExecutorService(String threadNamePrefix, int parallel) Returns a new thread pool configured with the default settings.
static SnowflakeColumnMetadata	extractColumnMetadata(com.fasterxml.jackson.databind.JsonNode colNode, boolean jdbcTreatDecimalAsInt, SFBaseSession session)
static Throwable	getRootCause(Exception ex)
static long	getSecondsFromMillis(long millis) Round the time value from milliseconds to seconds so the seconds can be used to create SimpleDateFormatter.
static boolean	isBlank(String input)
static void	logResponseDetails(org.apache.http.HttpResponse response, SFLogger logger) A utility to log response details.
static String	randomAlphaNumeric(int count)
static String	systemGetEnv(String env) System.getenv wrapper.
static String	systemGetProperty(String property) System.getProperty wrapper.
static void	systemSetEnv(String key, String value) System.setEnv function.
static void	systemUnsetEnv(String key) System.unsetEnv function to remove a system environment parameter in the map

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

EXTRA_TYPES_TIMESTAMP_LTZ

public static final int EXTRA_TYPES_TIMESTAMP_LTZ

Additional data types not covered by standard JDBC

See Also:

Constant Field Values

EXTRA_TYPES_TIMESTAMP_TZ

public static final int EXTRA_TYPES_TIMESTAMP_TZ

See Also:

Constant Field Values

EXTRA_TYPES_TIMESTAMP_NTZ

public static final int EXTRA_TYPES_TIMESTAMP_NTZ

See Also:

Constant Field Values

BIG_DECIMAL_STR

public static final String BIG_DECIMAL_STR

See Also:

Constant Field Values

FLOAT_STR

public static final String FLOAT_STR

See Also:

Constant Field Values

DOUBLE_STR

public static final String DOUBLE_STR

See Also:

Constant Field Values

BOOLEAN_STR

public static final String BOOLEAN_STR

See Also:

Constant Field Values

SHORT_STR

public static final String SHORT_STR

See Also:

Constant Field Values

INT_STR

public static final String INT_STR

See Also:

Constant Field Values

LONG_STR

public static final String LONG_STR

See Also:

Constant Field Values

TIME_STR

public static final String TIME_STR

See Also:

Constant Field Values

TIMESTAMP_STR

public static final String TIMESTAMP_STR

See Also:

Constant Field Values

DATE_STR

public static final String DATE_STR

See Also:

Constant Field Values

BYTE_STR

public static final String BYTE_STR

See Also:

Constant Field Values

BYTES_STR

public static final String BYTES_STR

See Also:

Constant Field Values

Constructor Detail

SnowflakeUtil

public SnowflakeUtil()

Method Detail

checkErrorAndThrowExceptionIncludingReauth

public static void checkErrorAndThrowExceptionIncludingReauth(com.fasterxml.jackson.databind.JsonNode rootNode)
                                                       throws SnowflakeSQLException

Throws:

SnowflakeSQLException

checkErrorAndThrowException

public static void checkErrorAndThrowException(com.fasterxml.jackson.databind.JsonNode rootNode)
                                        throws SnowflakeSQLException

Throws:

SnowflakeSQLException

extractColumnMetadata

public static SnowflakeColumnMetadata extractColumnMetadata(com.fasterxml.jackson.databind.JsonNode colNode,
                                                            boolean jdbcTreatDecimalAsInt,
                                                            SFBaseSession session)
                                                     throws SnowflakeSQLException

Throws:

SnowflakeSQLException

logResponseDetails

public static void logResponseDetails(org.apache.http.HttpResponse response,
                                      SFLogger logger)

A utility to log response details.

Used when there is an error in http response

Parameters:

response - http response get from server

logger - logger object

createDefaultExecutorService

public static ThreadPoolExecutor createDefaultExecutorService(String threadNamePrefix,
                                                              int parallel)

Returns a new thread pool configured with the default settings.

Parameters:

threadNamePrefix - prefix of the thread name

parallel - the number of concurrency

Returns:

A new thread pool configured with the default settings.

getRootCause

public static Throwable getRootCause(Exception ex)

isBlank

public static boolean isBlank(String input)

randomAlphaNumeric

public static String randomAlphaNumeric(int count)

systemGetProperty

public static String systemGetProperty(String property)

System.getProperty wrapper. If System.getProperty raises an SecurityException, it is ignored and returns null.

Parameters:

property - the property name

Returns:

the property value if set, otherwise null.

systemGetEnv

public static String systemGetEnv(String env)

System.getenv wrapper. If System.getenv raises an SecurityException, it is ignored and returns null.

Parameters:

env - the environment variable name.

Returns:

the environment variable value if set, otherwise null.

systemSetEnv

public static void systemSetEnv(String key,
                                String value)

System.setEnv function. Can be used for unit tests.

systemUnsetEnv

public static void systemUnsetEnv(String key)

System.unsetEnv function to remove a system environment parameter in the map

Parameters:

key -

convertProxyPropertiesToHttpClientKey

public static HttpClientSettingsKey convertProxyPropertiesToHttpClientKey(OCSPMode mode,
                                                                          Properties info)
                                                                   throws SnowflakeSQLException

Setup JDBC proxy properties if necessary.

Parameters:

mode - OCSP mode

info - proxy server properties.

Throws:

SnowflakeSQLException

getSecondsFromMillis

public static long getSecondsFromMillis(long millis)

Round the time value from milliseconds to seconds so the seconds can be used to create SimpleDateFormatter. Negative values have to be rounded to the next negative value, while positive values should be cut off with no rounding.

Parameters:

millis -

Returns: