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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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* Copyright (C) 2008 MySQL AB
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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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* 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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* 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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#include <drizzled/server_includes.h>
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#include <drizzled/error.h>
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#include <drizzled/session.h>
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using namespace drizzled;
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class BenchmarkFunction :public Item_int_func
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BenchmarkFunction() :Item_int_func() {}
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virtual void print(String *str, enum_query_type query_type);
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const char *func_name() const
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void fix_length_and_dec()
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bool check_argument_count(int n)
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/* This function is just used to test speed of different functions */
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int64_t BenchmarkFunction::val_int()
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assert(fixed == true);
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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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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 == false && (((int64_t) loop_count) < 0)))
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if (args[0]->null_value == false)
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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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for (loop= 0 ; loop < loop_count && !session->killed; loop++)
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switch (args[1]->result_type())
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(void) args[1]->val_real();
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(void) args[1]->val_int();
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(void) args[1]->val_str(&tmp);
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(void) args[1]->val_decimal(&tmp_decimal);
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// This case should never be chosen
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void BenchmarkFunction::print(String *str, enum_query_type query_type)
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str->append(STRING_WITH_LEN("benchmark("));
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args[0]->print(str, query_type);
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args[1]->print(str, query_type);
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plugin::Create_function<BenchmarkFunction> *benchmarkudf= NULL;
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static int initialize(plugin::Registry ®istry)
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benchmarkudf= new plugin::Create_function<BenchmarkFunction>("benchmark");
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registry.function.add(benchmarkudf);
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static int finalize(plugin::Registry ®istry)
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registry.function.remove(benchmarkudf);
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drizzle_declare_plugin(benchmark)
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"Devananda van der Veen",
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"Measure time for repeated calls to a function.",
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initialize, /* Plugin Init */
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finalize, /* Plugin Deinit */
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NULL, /* status variables */
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NULL, /* system variables */
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NULL /* config options */
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drizzle_declare_plugin_end;