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  • Committer: Brian Aker
  • Date: 2011-01-25 05:20:15 UTC
  • mto: (2109.1.6 drizzle-build)
  • mto: This revision was merged to the branch mainline in revision 2112.
  • Revision ID: brian@tangent.org-20110125052015-nw5jhmiq0at1qt9u
Merge in reference from pointer.

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drizzled/tztime.h
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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 <time.h>
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#else
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# if HAVE_SYS_TIME_H
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#  include <sys/time.h>
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# else
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#  include <time.h>
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# endif
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#endif
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#include "drizzled/memory/sql_alloc.h"
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#include "drizzled/type/time.h"
 
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namespace drizzled
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{
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class String;
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typedef struct st_drizzle_time DRIZZLE_TIME;
 
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namespace type {
 
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class Time;
 
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}
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/**
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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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  basic interface for type::Time <-> type::Time::epoch_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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*/
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public:
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  Time_zone() {}                              /* Remove gcc warning */
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  /**
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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 type::Time representation to
 
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    type::Time::epoch_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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  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 type::Time::epoch_t TIME_to_gmt_sec(const type::Time &t,
 
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                                              bool *in_dst_time_gap) const = 0;
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  /**
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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 type::Time::epoch_t representation to local time in
 
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    broken down type::Time representation.
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  */
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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(type::Time &tmp, type::Time::epoch_t t) const = 0;
 
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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