impala::TimezoneDatabase Class Reference

Functions to load and access the timestamp database. More...

#include <timestamp-functions.h>

Collaboration diagram for impala::TimezoneDatabase:

Public Member Functions
	TimezoneDatabase ()
	~TimezoneDatabase ()

Static Public Member Functions
static boost::local_time::time_zone_ptr	FindTimezone (const std::string &tz, const TimestampValue &tv)

Static Public Attributes
static const boost::local_time::time_zone_ptr	TIMEZONE_MSK_2011_NODST
	Moscow Timezone No Daylight Savings Time (GMT+4), for use after March 2011. More...

Static Private Attributes
static const char *	TIMEZONE_DATABASE_STR
static boost::local_time::tz_database	tz_database_
static std::vector< std::string >	tz_region_list_

Detailed Description

Functions to load and access the timestamp database.

Definition at line 123 of file timestamp-functions.h.

Constructor & Destructor Documentation

impala::TimezoneDatabase::TimezoneDatabase

(

)

Definition at line 403 of file timestamp-functions.cc.

impala::TimezoneDatabase::~TimezoneDatabase

(

)

Definition at line 435 of file timestamp-functions.cc.

Member Function Documentation

time_zone_ptr impala::TimezoneDatabase::FindTimezone ( const std::string &  tz, const TimestampValue &  tv  )

static

Converts the name of a timezone to a boost timezone object. Some countries change their timezones, the tiemstamp is required to correctly determine the timezone information.

Definition at line 437 of file timestamp-functions.cc.

References impala::TimestampValue::date().

Member Data Documentation

const char * impala::TimezoneDatabase::TIMEZONE_DATABASE_STR

staticprivate

Definition at line 138 of file timestamp-functions.h.

const time_zone_ptr impala::TimezoneDatabase::TIMEZONE_MSK_2011_NODST

static

Moscow Timezone No Daylight Savings Time (GMT+4), for use after March 2011.

Definition at line 135 of file timestamp-functions.h.

tz_database impala::TimezoneDatabase::tz_database_

staticprivate

Definition at line 139 of file timestamp-functions.h.

vector< string > impala::TimezoneDatabase::tz_region_list_

staticprivate

Definition at line 140 of file timestamp-functions.h.

---

The documentation for this class was generated from the following files:

• be/src/exprs/timestamp-functions.h
• be/src/exprs/timestamp-functions.cc
• be/src/exprs/timezone_db.cc