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drizzled/join_table.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) 2008-2009 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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#include "config.h"
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#include <drizzled/join_table.h>
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#include <drizzled/field/blob.h>
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namespace drizzled
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{
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void JoinTable::readCachedRecord()
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{
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  unsigned char *pos;
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  uint32_t length;
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  bool last_record;
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  CacheField *copy,*end_field;
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  last_record= this->cache.record_nr++ == this->cache.ptr_record;
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  pos= this->cache.pos;
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  for (copy= this->cache.field, end_field= copy+this->cache.fields;
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       copy < end_field;
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       copy++)
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  {
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    if (copy->blob_field)
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    {
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      if (last_record)
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      {
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        copy->blob_field->set_image(pos, copy->length+sizeof(char*),
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                  copy->blob_field->charset());
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        pos+=copy->length+sizeof(char*);
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      }
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      else
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      {
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        copy->blob_field->set_ptr(pos, pos+copy->length);
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        pos+=copy->length+copy->blob_field->get_length();
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      }
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    }
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    else
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    {
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      if (copy->strip)
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      {
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        length= uint2korr(pos);
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        memcpy(copy->str, pos+2, length);
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        memset(copy->str+length, ' ', copy->length-length);
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        pos+= 2 + length;
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      }
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      else
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      {
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        memcpy(copy->str,pos,copy->length);
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        pos+=copy->length;
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      }
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    }
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  }
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  this->cache.pos=pos;
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}
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} /* namespace drizzled */