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  • Committer: Stewart Smith
  • Date: 2010-02-22 07:44:37 UTC
  • mfrom: (1283.17.4)
  • mto: (1283.19.1)
  • mto: This revision was merged to the branch mainline in revision 1449.
  • Revision ID: stewart@flamingspork.com-20100222074437-1a9x1n030tbtv1qv
Merged embeddded-innodb-store-table-proto into embedded-innodb-write-row.

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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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#include <drizzled/table.h>
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namespace drizzled {
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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 */