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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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* Copyright (C) 2008 Sun Microsystems
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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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* 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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* 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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#ifndef DRIZZLED_TZTIME_H
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#define DRIZZLED_TZTIME_H
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#if TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <sys/time.h>
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/* Copyright (C) 2004 MySQL AB
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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; version 2 of the License.
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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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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifdef USE_PRAGMA_INTERFACE
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#pragma interface /* gcc class interface */
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#include "drizzled/memory/sql_alloc.h"
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typedef struct st_drizzle_time DRIZZLE_TIME;
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This class represents abstract time zone and provides
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basic interface for DRIZZLE_TIME <-> time_t conversion.
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Actual time zones which are specified by DB, or via offset
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This class represents abstract time zone and provides
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basic interface for MYSQL_TIME <-> my_time_t conversion.
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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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class Time_zone: public memory::SqlAlloc
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class Time_zone: public Sql_alloc
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Time_zone() {} /* Remove gcc warning */
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Converts local time in broken down DRIZZLE_TIME representation to
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time_t (UTC seconds since Epoch) represenation.
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Converts local time in broken down MYSQL_TIME representation to
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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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virtual time_t TIME_to_gmt_sec(const DRIZZLE_TIME *t,
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bool *in_dst_time_gap) const = 0;
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virtual my_time_t TIME_to_gmt_sec(const MYSQL_TIME *t,
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bool *in_dst_time_gap) const = 0;
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Converts time in time_t representation to local time in
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broken down DRIZZLE_TIME representation.
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Converts time in my_time_t representation to local time in
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broken down MYSQL_TIME representation.
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virtual void gmt_sec_to_TIME(DRIZZLE_TIME *tmp, time_t t) const = 0;
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virtual void gmt_sec_to_TIME(MYSQL_TIME *tmp, my_time_t t) const = 0;
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Because of constness of String returned by get_name() time zone name
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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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virtual const String * get_name() const = 0;
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We need this only for surpressing warnings, objects of this type are
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allocated on memory::Root and should not require destruction.
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allocated on MEM_ROOT and should not require destruction.
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virtual ~Time_zone() {};
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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_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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} /* namespace drizzled */
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#endif /* DRIZZLED_TZTIME_H */
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extern Time_zone * my_tz_OFFSET0;
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extern Time_zone * my_tz_find(THD *thd, const String *name);
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extern bool my_tz_init(THD *org_thd, const char *default_tzname, bool bootstrap);
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extern void my_tz_free();
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extern my_time_t sec_since_epoch_TIME(MYSQL_TIME *t);