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Viewing changes to drizzled/functions/last_insert.cc

  • Committer: Brian Aker
  • Date: 2008-09-04 19:31:00 UTC
  • Revision ID: brian@tangent.org-20080904193100-l849hgghfy4urj43
Changing default character set from this point on.

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drizzled/functions/last_insert.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
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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 <drizzled/server_includes.h>
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#include CSTDINT_H
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#include <drizzled/functions/last_insert.h>
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int64_t Item_func_last_insert_id::val_int()
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{
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  Session *session= current_session;
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  assert(fixed == 1);
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  if (arg_count)
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  {
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    int64_t value= args[0]->val_int();
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    null_value= args[0]->null_value;
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    /*
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      LAST_INSERT_ID(X) must affect the client's mysql_insert_id() as
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      documented in the manual. We don't want to touch
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      first_successful_insert_id_in_cur_stmt because it would make
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      LAST_INSERT_ID(X) take precedence over an generated auto_increment
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      value for this row.
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    */
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    session->arg_of_last_insert_id_function= true;
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    session->first_successful_insert_id_in_prev_stmt= value;
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    return value;
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  }
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  return session->read_first_successful_insert_id_in_prev_stmt();
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}
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bool Item_func_last_insert_id::fix_fields(Session *session, Item **ref)
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{
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  return Item_int_func::fix_fields(session, ref);
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}
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