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  • Committer: Olaf van der Spek
  • Date: 2011-02-12 18:24:24 UTC
  • mto: (2167.1.2 build) (2172.1.4 build)
  • mto: This revision was merged to the branch mainline in revision 2168.
  • Revision ID: olafvdspek@gmail.com-20110212182424-kgnm9osi7qo97at2
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drizzled/dtcollation.h
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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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 *  Copyright (C) 2008 Sun Microsystems, Inc.
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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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#ifndef DRIZZLED_DTCOLLATION_H
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#define DRIZZLED_DTCOLLATION_H
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#include <drizzled/definitions.h>
 
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#include "drizzled/definitions.h"
 
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#include "drizzled/visibility.h"
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namespace drizzled
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{
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typedef struct charset_info_st CHARSET_INFO;
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class DTCollation {
 
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class DRIZZLED_API DTCollation
 
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{
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public:
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  const CHARSET_INFO *collation;
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  enum Derivation derivation;
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  DTCollation();
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  DTCollation(const CHARSET_INFO * const collation_arg,
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              Derivation derivation_arg);
 
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  DRIZZLED_LOCAL DTCollation();
 
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  DRIZZLED_LOCAL DTCollation(const CHARSET_INFO * const collation_arg,
 
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                             Derivation derivation_arg);
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  void set(DTCollation &dt);
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  void set(const CHARSET_INFO * const collation_arg,
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           Derivation derivation_arg);
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  @endcode
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*/
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  bool aggregate(DTCollation &dt, uint32_t flags= 0);
 
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  DRIZZLED_LOCAL bool aggregate(DTCollation &dt, uint32_t flags= 0);
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  const char *derivation_name() const;
 
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  DRIZZLED_LOCAL const char *derivation_name() const;
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};
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                                        Item **items, uint32_t nitems,
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                                        uint32_t flags);
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/**
 
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/*
 
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 @note In Drizzle we have just one charset, so no conversion is required (though collation may).
 
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  Collect arguments' character sets together.
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  We allow to apply automatic character set conversion in some cases.