class.ilBenchmarkTableGUI.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */
 
include_once("./Services/Table/classes/class.ilTable2GUI.php");
 
class ilBenchmarkTableGUI extends ilTable2GUI
{
 
        function __construct($a_parent_obj, $a_parent_cmd, $a_records, $a_mode = "chronological")
        {
                global $ilCtrl, $lng, $ilAccess, $lng;
 
                parent::__construct($a_parent_obj, $a_parent_cmd);
                $this->setLimit(9999);
                $this->mode = $a_mode;
 
                switch ($this->mode)
                {
                        case "slowest_first":
                                $this->setData(ilUtil::sortArray($a_records, "time", "desc", true));
                                $this->setTitle($lng->txt("adm_db_bench_slowest_first"));
                                $this->addColumn($this->lng->txt("adm_time"));
                                $this->addColumn($this->lng->txt("adm_sql"));
                                break;
 
                        case "sorted_by_sql":
                                $this->setData(ilUtil::sortArray($a_records, "sql", "asc"));
                                $this->setTitle($lng->txt("adm_db_bench_sorted_by_sql"));
                                $this->addColumn($this->lng->txt("adm_time"));
                                $this->addColumn($this->lng->txt("adm_sql"));
                                break;
 
                        case "by_first_table":
                                $this->setData($this->getDataByFirstTable($a_records));
                                $this->setTitle($lng->txt("adm_db_bench_by_first_table"));
                                $this->addColumn($this->lng->txt("adm_time"));
                                $this->addColumn($this->lng->txt("adm_nr_statements"));
                                $this->addColumn($this->lng->txt("adm_table"));
                                break;
 
                        default:
                                $this->setData($a_records);
                                $this->setTitle($lng->txt("adm_db_bench_chronological"));
                                $this->addColumn($this->lng->txt("adm_time"));
                                $this->addColumn($this->lng->txt("adm_sql"));
                                break;
 
                }
 
                $this->setEnableHeader(true);
                $this->setFormAction($ilCtrl->getFormAction($a_parent_obj));
                $this->setRowTemplate("tpl.db_bench.html", "Modules/SystemFolder");
                $this->disable("footer");
                $this->setEnableTitle(true);
 
//              $this->addMultiCommand("", $lng->txt(""));
//              $this->addCommandButton("", $lng->txt(""));
        }
 
        function getFirst($a_str, $a_needles)
        {
                $pos = 0;
                foreach ($a_needles as $needle)
                {
                        $pos2 = strpos($a_str, $needle);
 
                        if ($pos2 > 0 && ($pos2 < $pos || $pos == 0))
                        {
                                $pos = $pos2;
                        }
                }
 
                return $pos;
        }
 
        function extractFirstTableFromSQL($a_sql)
        {
                $pos1 = $this->getFirst(strtolower($a_sql), array("from ", "from\n", "from\t", "from\r"));
 
                $table = "";
                if ($pos1 > 0)
                {
                        $tablef = substr(strtolower($a_sql), $pos1+5);
                        $pos2 = $this->getFirst($tablef, array(" ", "\n", "\t", "\r"));
                        if ($pos2 > 0)
                        {
                                $table =substr($tablef, 0, $pos2);
                        }
                        else
                        {
                                $table = $tablef;
                        }
                }
                if (trim($table) != "")
                {
                        return $table;
                }
 
                return "";
        }
 
 
        function getDataByFirstTable($a_records)
        {
                $data = array();
                foreach ($a_records as $r)
                {
                        $table = $this->extractFirstTableFromSQL($r["sql"]);
                        $data[$table]["table"] = $table;
                        $data[$table]["cnt"]++;
                        $data[$table]["time"] += $r["time"];
                }
                if (count($data) > 0)
                {
                        $data = ilUtil::sortArray($data, "time", "desc", true);
                }
 
                return $data;
        }
 
        protected function fillRow($a_set)
        {
                global $lng;
 
                switch ($this->mode)
                {
                        case "by_first_table":
                                $this->tpl->setCurrentBlock("td");
                                $this->tpl->setVariable("VAL", $a_set["table"]);
                                $this->tpl->parseCurrentBlock();
                                $this->tpl->setVariable("VAL1", $a_set["time"]);
                                $this->tpl->setVariable("VAL2", $a_set["cnt"]);
                                break;
 
                        case "slowest_first":
                        case "sorted_by_sql":
                        default:
                                $this->tpl->setVariable("VAL1", $a_set["time"]);
                                $this->tpl->setVariable("VAL2", $a_set["sql"]);
                                break;
                }
        }
 
}
?>