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  • Committer: Brian Aker
  • Date: 2011-02-12 10:06:03 UTC
  • mfrom: (2154.2.16 drizzle-build)
  • Revision ID: brian@tangent.org-20110212100603-i5ww0s02p8l4a8q7
Merge in solaris tree.

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drizzled/stored_key.cc
 
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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, 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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 *  the Free Software Foundation; version 2 of the License.
 
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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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#include "config.h"
 
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#include <drizzled/field/varstring.h>
 
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#include <drizzled/session.h>
 
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#include <drizzled/stored_key.h>
 
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namespace drizzled
 
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{
 
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StoredKey::StoredKey(Session *session,
 
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                     Field *field_arg, 
 
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                     unsigned char *ptr,
 
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                     unsigned char *null, 
 
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                     uint32_t length) :
 
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  null_key(0), 
 
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  null_ptr(null), 
 
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  err(0)
 
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  {
 
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    if (field_arg->type() == DRIZZLE_TYPE_BLOB)
 
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    {
 
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      /*
 
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        Key segments are always packed with a 2 byte length prefix.
 
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        See mi_rkey for details.
 
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      */
 
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      to_field= new Field_varstring(ptr,
 
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                                    length,
 
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                                    2,
 
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                                    null,
 
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                                    1,
 
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                                    field_arg->field_name,
 
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                                    field_arg->charset());
 
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      to_field->init(field_arg->getTable());
 
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    }
 
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    else
 
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    {
 
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      to_field= field_arg->new_key_field(session->mem_root, field_arg->getTable(),
 
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                                         ptr, null, 1);
 
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    }
 
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    to_field->setWriteSet();
 
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  }
 
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StoredKey::store_key_result StoredKey::copy()
 
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{
 
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  store_key_result result;
 
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  Session *session= to_field->getTable()->in_use;
 
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  enum_check_fields saved_count_cuted_fields= session->count_cuted_fields;
 
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  session->count_cuted_fields= CHECK_FIELD_IGNORE;
 
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  result= copy_inner();
 
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  session->count_cuted_fields= saved_count_cuted_fields;
 
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  return result;
 
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}
 
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} /* namespace drizzled */