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390.1.2
by Monty Taylor
Fixed copyright headers in drizzled/ |
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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* Copyright (C) 2008 Sun Microsystems
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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1
by brian
clean slate |
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/**
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This class represents abstract time zone and provides
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236.1.24
by Monty Taylor
Renamed MYSQL_TIME to DRIZZLE_TIME. |
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basic interface for DRIZZLE_TIME <-> my_time_t conversion.
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1
by brian
clean slate |
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Actual time zones which are specified by DB, or via offset
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or use system functions are its descendants.
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*/
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class Time_zone: public Sql_alloc |
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{
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public: |
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Time_zone() {} /* Remove gcc warning */ |
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/**
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236.1.24
by Monty Taylor
Renamed MYSQL_TIME to DRIZZLE_TIME. |
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Converts local time in broken down DRIZZLE_TIME representation to
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1
by brian
clean slate |
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my_time_t (UTC seconds since Epoch) represenation.
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Returns 0 in case of error. Sets in_dst_time_gap to true if date provided
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falls into spring time-gap (or lefts it untouched otherwise).
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*/
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236.1.24
by Monty Taylor
Renamed MYSQL_TIME to DRIZZLE_TIME. |
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virtual my_time_t TIME_to_gmt_sec(const DRIZZLE_TIME *t, |
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93
by Brian Aker
Convert tztime.cc to bool from my_bool. |
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bool *in_dst_time_gap) const = 0; |
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1
by brian
clean slate |
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/**
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Converts time in my_time_t representation to local time in
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236.1.24
by Monty Taylor
Renamed MYSQL_TIME to DRIZZLE_TIME. |
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broken down DRIZZLE_TIME representation.
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1
by brian
clean slate |
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*/
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236.1.24
by Monty Taylor
Renamed MYSQL_TIME to DRIZZLE_TIME. |
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virtual void gmt_sec_to_TIME(DRIZZLE_TIME *tmp, my_time_t t) const = 0; |
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1
by brian
clean slate |
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/**
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Because of constness of String returned by get_name() time zone name
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have to be already zeroended to be able to use String::ptr() instead
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of c_ptr().
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*/
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virtual const String * get_name() const = 0; |
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/**
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We need this only for surpressing warnings, objects of this type are
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allocated on MEM_ROOT and should not require destruction.
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*/
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virtual ~Time_zone() {}; |
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};
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extern Time_zone * my_tz_UTC; |
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extern Time_zone * my_tz_SYSTEM; |
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extern Time_zone * my_tz_OFFSET0; |
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520.1.22
by Brian Aker
Second pass of thd cleanup |
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extern Time_zone * my_tz_find(Session *session, const String *name); |
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extern bool my_tz_init(Session *org_session, const char *default_tzname); |
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1
by brian
clean slate |
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extern void my_tz_free(); |
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236.1.24
by Monty Taylor
Renamed MYSQL_TIME to DRIZZLE_TIME. |
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extern my_time_t sec_since_epoch_TIME(DRIZZLE_TIME *t); |