~drizzle-trunk/drizzle/development

492.3.24 by Lee
more changes to move functions from item_func.cc/h to the functions directory
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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
670.1.20 by Monty Taylor
Renamed functions to function... everything else is singular.
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#include <drizzled/function/benchmark.h>
492.3.27 by Lee
merge latest changes from the trunk and changes to get drizzle building on Soalris 10 (SPARC)
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#include <drizzled/error.h>
584.1.15 by Monty Taylor
The mega-patch from hell. Renamed sql_class to session (since that's what it is) and removed it and field and table from common_includes.
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#include <drizzled/session.h>
492.3.27 by Lee
merge latest changes from the trunk and changes to get drizzle building on Soalris 10 (SPARC)
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492.3.24 by Lee
more changes to move functions from item_func.cc/h to the functions directory
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/* This function is just used to test speed of different functions */
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int64_t Item_func_benchmark::val_int()
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{
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  assert(fixed == 1);
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  char buff[MAX_FIELD_WIDTH];
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  String tmp(buff,sizeof(buff), &my_charset_bin);
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  my_decimal tmp_decimal;
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  Session *session=current_session;
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  uint64_t loop_count;
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  loop_count= (uint64_t) args[0]->val_int();
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  if (args[0]->null_value ||
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      (!args[0]->unsigned_flag && (((int64_t) loop_count) < 0)))
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  {
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    if (!args[0]->null_value)
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    {
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      char buff[22];
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      llstr(((int64_t) loop_count), buff);
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      push_warning_printf(current_session, DRIZZLE_ERROR::WARN_LEVEL_ERROR,
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                          ER_WRONG_VALUE_FOR_TYPE, ER(ER_WRONG_VALUE_FOR_TYPE),
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                          "count", buff, "benchmark");
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    }
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    null_value= 1;
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    return 0;
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  }
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  null_value=0;
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  for (uint64_t loop=0 ; loop < loop_count && !session->killed; loop++)
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  {
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    switch (args[1]->result_type()) {
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    case REAL_RESULT:
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      (void) args[1]->val_real();
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      break;
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    case INT_RESULT:
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      (void) args[1]->val_int();
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      break;
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    case STRING_RESULT:
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      (void) args[1]->val_str(&tmp);
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      break;
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    case DECIMAL_RESULT:
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      (void) args[1]->val_decimal(&tmp_decimal);
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      break;
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    case ROW_RESULT:
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    default:
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      // This case should never be chosen
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      assert(0);
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      return 0;
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    }
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  }
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  return 0;
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}
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void Item_func_benchmark::print(String *str, enum_query_type query_type)
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{
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  str->append(STRING_WITH_LEN("benchmark("));
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  args[0]->print(str, query_type);
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  str->append(',');
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  args[1]->print(str, query_type);
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  str->append(')');
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}
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