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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* functions for displaying server status sub item: monitor
*
* @usedby server_status_monitor.php
*
* @package PhpMyAdmin
*/
if (! defined('PHPMYADMIN')) {
exit;
}
/**
* Prints html with monitor
*
* @param PMA_ServerStatusData $ServerStatusData Server status data
*
* @return string
*/
function PMA_getHtmlForMonitor($ServerStatusData)
{
$retval = PMA_getHtmlForTabLinks();
$retval .= PMA_getHtmlForSettingsDialog();
$retval .= PMA_getHtmlForInstructionsDialog();
$retval .= PMA_getHtmlForAddChartDialog();
if (! PMA_DRIZZLE) {
$retval .= PMA_getHtmlForAnalyseDialog();
}
$retval .= '<table class="clearfloat" id="chartGrid"></table>';
$retval .= '<div id="logTable">';
$retval .= '<br/>';
$retval .= '</div>';
$retval .= '<script type="text/javascript">';
$retval .= 'variableNames = [ ';
$i=0;
foreach ($ServerStatusData->status as $name=>$value) {
if (is_numeric($value)) {
if ($i++ > 0) {
$retval .= ", ";
}
$retval .= "'" . $name . "'";
}
}
$retval .= '];';
$retval .= '</script>';
return $retval;
}
/**
* Builds a <select> list for refresh rates
*
* @param string $name Name of select
* @param int $defaultRate Currently chosen rate
* @param array $refreshRates List of refresh rates
*
* @return string
*/
function PMA_getHtmlForRefreshList($name,
$defaultRate = 5,
$refreshRates = Array(1, 2, 5, 10, 20, 40, 60, 120, 300, 600)
) {
$return = '<select name="' . $name . '" id="id_' . $name
. '" class="refreshRate">';
foreach ($refreshRates as $rate) {
$selected = ($rate == $defaultRate)?' selected="selected"':'';
$return .= '<option value="' . $rate . '"' . $selected . '>';
if ($rate < 60) {
$return .= sprintf(_ngettext('%d second', '%d seconds', $rate), $rate);
} else {
$rate = $rate / 60;
$return .= sprintf(_ngettext('%d minute', '%d minutes', $rate), $rate);
}
$return .= '</option>';
}
$return .= '</select>';
return $return;
}
/**
* Returns html for Analyse Dialog
*
* @return string
*/
function PMA_getHtmlForAnalyseDialog()
{
$retval = '<div id="logAnalyseDialog" title="';
$retval .= __('Log statistics') . '" style="display:none;">';
$retval .= '<p>' . __('Selected time range:');
$retval .= '<input type="text" name="dateStart"'
. ' class="datetimefield" value="" /> - ';
$retval .= '<input type="text" name="dateEnd" class="datetimefield" value="" />';
$retval .= '</p>';
$retval .= '<input type="checkbox" id="limitTypes"'
. ' value="1" checked="checked" />';
$retval .= '<label for="limitTypes">';
$retval .= __('Only retrieve SELECT,INSERT,UPDATE and DELETE Statements');
$retval .= '</label>';
$retval .= '<br/>';
$retval .= '<input type="checkbox" id="removeVariables"'
. ' value="1" checked="checked" />';
$retval .= '<label for="removeVariables">';
$retval .= __('Remove variable data in INSERT statements for better grouping');
$retval .= '</label>';
$retval .= '<p>';
$retval .= __(
'Choose from which log you want the statistics to be generated from.'
);
$retval .= '</p>';
$retval .= '<p>';
$retval .= __('Results are grouped by query text.');
$retval .= '</p>';
$retval .= '</div>';
$retval .= '<div id="queryAnalyzerDialog" title="';
$retval .= __('Query analyzer') . '" style="display:none;">';
$retval .= '<textarea id="sqlquery"> </textarea>';
$retval .= '<p></p>';
$retval .= '<div class="placeHolder"></div>';
$retval .= '</div>';
return $retval;
}
/**
* Returns html for Instructions Dialog
*
* @return string
*/
function PMA_getHtmlForInstructionsDialog()
{
$retval = '<div id="monitorInstructionsDialog" title="';
$retval .= __('Monitor Instructions') . '" style="display:none;">';
$retval .= __(
'The phpMyAdmin Monitor can assist you in optimizing the server'
. ' configuration and track down time intensive queries. For the latter you'
. ' will need to set log_output to \'TABLE\' and have either the'
. ' slow_query_log or general_log enabled. Note however, that the'
. ' general_log produces a lot of data and increases server load'
. ' by up to 15%.'
);
$retval .= '<p></p>';
$retval .= '<img class="ajaxIcon" src="';
$retval .= $GLOBALS['pmaThemeImage'] . 'ajax_clock_small.gif"';
$retval .= ' alt="' . __('Loading…') . '" />';
$retval .= '<div class="ajaxContent"></div>';
$retval .= '<div class="monitorUse" style="display:none;">';
$retval .= '<p></p>';
$retval .= '<strong>';
$retval .= __('Using the monitor:');
$retval .= '</strong><p>';
$retval .= __(
'Your browser will refresh all displayed charts in a regular interval.'
. ' You may add charts and change the refresh rate under \'Settings\','
. ' or remove any chart using the cog icon on each respective chart.'
);
$retval .= '</p><p>';
$retval .= __(
'To display queries from the logs, select the relevant time span on any'
. ' chart by holding down the left mouse button and panning over the'
. ' chart. Once confirmed, this will load a table of grouped queries,'
. ' there you may click on any occurring SELECT statements to further'
. ' analyze them.'
);
$retval .= '</p>';
$retval .= '<p>';
$retval .= PMA_Util::getImage('s_attention.png');
$retval .= '<strong>';
$retval .= __('Please note:');
$retval .= '</strong><br />';
$retval .= __(
'Enabling the general_log may increase the server load by'
. ' 5-15%. Also be aware that generating statistics from the logs is a'
. ' load intensive task, so it is advisable to select only a small time'
. ' span and to disable the general_log and empty its table once'
. ' monitoring is not required any more.'
);
$retval .= '</p>';
$retval .= '</div>';
$retval .= '</div>';
return $retval;
}
/**
* Returns html for addChartDialog
*
* @return string
*/
function PMA_getHtmlForAddChartDialog()
{
$retval = '<div id="addChartDialog" title="'
. __('Add chart') . '" style="display:none;">';
$retval .= '<div id="tabGridVariables">';
$retval .= '<p><input type="text" name="chartTitle" value="'
. __('Chart Title') . '" /></p>';
$retval .= '<input type="radio" name="chartType"'
. ' value="preset" id="chartPreset" />';
$retval .= '<label for="chartPreset">' . __('Preset chart') . '</label>';
$retval .= '<select name="presetCharts"></select><br/>';
$retval .= '<input type="radio" name="chartType" value="variable" '
. 'id="chartStatusVar" checked="checked" />';
$retval .= '<label for="chartStatusVar">';
$retval .= __('Status variable(s)');
$retval .= '</label><br/>';
$retval .= '<div id="chartVariableSettings">';
$retval .= '<label for="chartSeries">' . __('Select series:') . '</label><br />';
$retval .= '<select id="chartSeries" name="varChartList" size="1">';
$retval .= '<option>' . __('Commonly monitored') . '</option>';
$retval .= '<option>Processes</option>';
$retval .= '<option>Questions</option>';
$retval .= '<option>Connections</option>';
$retval .= '<option>Bytes_sent</option>';
$retval .= '<option>Bytes_received</option>';
$retval .= '<option>Threads_connected</option>';
$retval .= '<option>Created_tmp_disk_tables</option>';
$retval .= '<option>Handler_read_first</option>';
$retval .= '<option>Innodb_buffer_pool_wait_free</option>';
$retval .= '<option>Key_reads</option>';
$retval .= '<option>Open_tables</option>';
$retval .= '<option>Select_full_join</option>';
$retval .= '<option>Slow_queries</option>';
$retval .= '</select><br />';
$retval .= '<label for="variableInput">';
$retval .= __('or type variable name:');
$retval .= ' </label>';
$retval .= '<input type="text" name="variableInput" id="variableInput" />';
$retval .= '<p></p>';
$retval .= '<input type="checkbox" name="differentialValue"'
. ' id="differentialValue" value="differential" checked="checked" />';
$retval .= '<label for="differentialValue">';
$retval .= __('Display as differential value');
$retval .= '</label><br />';
$retval .= '<input type="checkbox" id="useDivisor"'
. ' name="useDivisor" value="1" />';
$retval .= '<label for="useDivisor">' . __('Apply a divisor') . '</label>';
$retval .= '<span class="divisorInput" style="display:none;">';
$retval .= '<input type="text" name="valueDivisor" size="4" value="1" />';
$retval .= '(<a href="#kibDivisor">' . __('KiB') . '</a>, ';
$retval .= '<a href="#mibDivisor">' . __('MiB') . '</a>)';
$retval .= '</span><br />';
$retval .= '<input type="checkbox" id="useUnit" name="useUnit" value="1" />';
$retval .= '<label for="useUnit">';
$retval .= __('Append unit to data values');
$retval .= '</label>';
$retval .= '<span class="unitInput" style="display:none;">';
$retval .= '<input type="text" name="valueUnit" size="4" value="" />';
$retval .= '</span>';
$retval .= '<p>';
$retval .= '<a href="#submitAddSeries"><b>' . __('Add this series') . '</b></a>';
$retval .= '<span id="clearSeriesLink" style="display:none;">';
$retval .= ' | <a href="#submitClearSeries">' . __('Clear series') . '</a>';
$retval .= '</span>';
$retval .= '</p>';
$retval .= __('Series in Chart:');
$retval .= '<br/>';
$retval .= '<span id="seriesPreview">';
$retval .= '<i>' . __('None') . '</i>';
$retval .= '</span>';
$retval .= '</div>';
$retval .= '</div>';
$retval .= '</div>';
return $retval;
}
/**
* Returns html with Tab Links
*
* @return string
*/
function PMA_getHtmlForTabLinks()
{
$retval = '<div class="tabLinks">';
$retval .= '<a href="#pauseCharts">';
$retval .= PMA_Util::getImage('play.png') . __('Start Monitor');
$retval .= '</a>';
$retval .= '<a href="#settingsPopup" class="popupLink">';
$retval .= PMA_Util::getImage('s_cog.png') . __('Settings');
$retval .= '</a>';
if (! PMA_DRIZZLE) {
$retval .= '<a href="#monitorInstructionsDialog">';
$retval .= PMA_Util::getImage('b_help.png') . __('Instructions/Setup');
}
$retval .= '<a href="#endChartEditMode" style="display:none;">';
$retval .= PMA_Util::getImage('s_okay.png');
$retval .= __('Done dragging (rearranging) charts');
$retval .= '</a>';
$retval .= '</div>';
return $retval;
}
/**
* Returns html with Settings dialog
*
* @return string
*/
function PMA_getHtmlForSettingsDialog()
{
$retval = '<div class="popupContent settingsPopup">';
$retval .= '<a href="#addNewChart">';
$retval .= PMA_Util::getImage('b_chart.png') . __('Add chart');
$retval .= '</a>';
$retval .= '<a href="#rearrangeCharts">';
$retval .= PMA_Util::getImage('b_tblops.png') . __('Enable charts dragging');
$retval .= '</a>';
$retval .= '<div class="clearfloat paddingtop"></div>';
$retval .= '<div class="floatleft">';
$retval .= __('Refresh rate') . '<br />';
$retval .= PMA_getHtmlForRefreshList(
'gridChartRefresh',
5,
Array(2, 3, 4, 5, 10, 20, 40, 60, 120, 300, 600, 1200)
);
$retval .= '<br />';
$retval .= '</div>';
$retval .= '<div class="floatleft">';
$retval .= __('Chart columns');
$retval .= '<br />';
$retval .= '<select name="chartColumns">';
$retval .= '<option>1</option>';
$retval .= '<option>2</option>';
$retval .= '<option>3</option>';
$retval .= '<option>4</option>';
$retval .= '<option>5</option>';
$retval .= '<option>6</option>';
$retval .= '</select>';
$retval .= '</div>';
$retval .= '<div class="clearfloat paddingtop">';
$retval .= '<b>' . __('Chart arrangement') . '</b> ';
$retval .= PMA_Util::showHint(
__(
'The arrangement of the charts is stored to the browsers local storage. '
. 'You may want to export it if you have a complicated set up.'
)
);
$retval .= '<br/>';
$retval .= '<a class="ajax" href="#importMonitorConfig">';
$retval .= __('Import');
$retval .= '</a>';
$retval .= ' ';
$retval .= '<a class="disableAjax" href="#exportMonitorConfig">';
$retval .= __('Export');
$retval .= '</a>';
$retval .= ' ';
$retval .= '<a href="#clearMonitorConfig">';
$retval .= __('Reset to default');
$retval .= '</a>';
$retval .= '</div>';
$retval .= '</div>';
return $retval;
}
/**
* Define some data and links needed on the client side
*
* @param PMA_ServerStatusData $ServerStatusData Server status data
*
* @return string
*/
function PMA_getHtmlForClientSideDataAndLinks($ServerStatusData)
{
/**
* Define some data needed on the client side
*/
$input = '<input type="hidden" name="%s" value="%s" />';
$form = '<form id="js_data" class="hide">';
$form .= sprintf($input, 'server_time', microtime(true) * 1000);
$form .= sprintf($input, 'server_os', PHP_OS);
$form .= sprintf($input, 'is_superuser', $GLOBALS['dbi']->isSuperuser());
$form .= sprintf($input, 'server_db_isLocal', $ServerStatusData->db_isLocal);
$form .= '</form>';
/**
* Define some links used on client side
*/
$links = '<div id="profiling_docu" class="hide">';
$links .= PMA_Util::showMySQLDocu('general-thread-states');
$links .= '</div>';
$links .= '<div id="explain_docu" class="hide">';
$links .= PMA_Util::showMySQLDocu('explain-output');
$links .= '</div>';
return $form . $links;
}
/***************************Ajax request function***********************************/
/**
* Returns JSon for real-time charting data
*
* @return Array
*/
function PMA_getJsonForChartingData()
{
$ret = json_decode($_REQUEST['requiredData'], true);
$statusVars = array();
$serverVars = array();
$sysinfo = $cpuload = $memory = 0;
/* Accumulate all required variables and data */
list($serverVars, $statusVars, $ret) = PMA_getJsonForChartingDataGet(
$ret, $serverVars, $statusVars, $sysinfo, $cpuload, $memory
);
// Retrieve all required status variables
if (count($statusVars)) {
$statusVarValues = $GLOBALS['dbi']->fetchResult(
"SHOW GLOBAL STATUS WHERE Variable_name='"
. implode("' OR Variable_name='", $statusVars) . "'",
0,
1
);
} else {
$statusVarValues = array();
}
// Retrieve all required server variables
if (count($serverVars)) {
$serverVarValues = $GLOBALS['dbi']->fetchResult(
"SHOW GLOBAL VARIABLES WHERE Variable_name='"
. implode("' OR Variable_name='", $serverVars) . "'",
0,
1
);
} else {
$serverVarValues = array();
}
// ...and now assign them
$ret = PMA_getJsonForChartingDataSet($ret, $statusVarValues, $serverVarValues);
$ret['x'] = microtime(true) * 1000;
return $ret;
}
/**
* Assign the variables for real-time charting data
*
* @param array $ret Real-time charting data
* @param array $statusVarValues Status variable values
* @param array $serverVarValues Server variable values
*
* @return array
*/
function PMA_getJsonForChartingDataSet($ret, $statusVarValues, $serverVarValues)
{
foreach ($ret as $chart_id => $chartNodes) {
foreach ($chartNodes as $node_id => $nodeDataPoints) {
foreach ($nodeDataPoints as $point_id => $dataPoint) {
switch ($dataPoint['type']) {
case 'statusvar':
$ret[$chart_id][$node_id][$point_id]['value']
= $statusVarValues[$dataPoint['name']];
break;
case 'servervar':
$ret[$chart_id][$node_id][$point_id]['value']
= $serverVarValues[$dataPoint['name']];
break;
}
}
}
}
return $ret;
}
/**
* Get called to get JSON for charting data
*
* @param array $ret Real-time charting data
* @param array $serverVars Server variable values
* @param array $statusVars Status variable values
* @param mixed $sysinfo System info
* @param mixed $cpuload CPU load
* @param mixed $memory Memory
*
* @return array
*/
function PMA_getJsonForChartingDataGet(
$ret, $serverVars, $statusVars, $sysinfo, $cpuload, $memory
) {
// For each chart
foreach ($ret as $chart_id => $chartNodes) {
// For each data series
foreach ($chartNodes as $node_id => $nodeDataPoints) {
// For each data point in the series (usually just 1)
foreach ($nodeDataPoints as $point_id => $dataPoint) {
list($serverVars, $statusVars, $ret[$chart_id][$node_id][$point_id])
= PMA_getJsonForChartingDataSwitch(
$dataPoint['type'], $dataPoint['name'], $serverVars,
$statusVars, $ret[$chart_id][$node_id][$point_id],
$sysinfo, $cpuload, $memory
);
} /* foreach */
} /* foreach */
}
return array($serverVars, $statusVars, $ret);
}
/**
* Switch called to get JSON for charting data
*
* @param string $type Type
* @param string $pName Name
* @param array $serverVars Server variable values
* @param array $statusVars Status variable values
* @param array $ret Real-time charting data
* @param mixed $sysinfo System info
* @param mixed $cpuload CPU load
* @param mixed $memory Memory
*
* @return array
*/
function PMA_getJsonForChartingDataSwitch(
$type, $pName, $serverVars, $statusVars, $ret,
$sysinfo, $cpuload, $memory
) {
switch ($type) {
/* We only collect the status and server variables here to
* read them all in one query,
* and only afterwards assign them.
* Also do some white list filtering on the names
*/
case 'servervar':
if (!preg_match('/[^a-zA-Z_]+/', $pName)) {
$serverVars[] = $pName;
}
break;
case 'statusvar':
if (!preg_match('/[^a-zA-Z_]+/', $pName)) {
$statusVars[] = $pName;
}
break;
case 'proc':
$result = $GLOBALS['dbi']->query('SHOW PROCESSLIST');
$ret['value'] = $GLOBALS['dbi']->numRows($result);
break;
case 'cpu':
if (!$sysinfo) {
include_once 'libraries/sysinfo.lib.php';
$sysinfo = PMA_getSysInfo();
}
if (!$cpuload) {
$cpuload = $sysinfo->loadavg();
}
if (PMA_getSysInfoOs() == 'Linux') {
$ret['idle'] = $cpuload['idle'];
$ret['busy'] = $cpuload['busy'];
} else {
$ret['value'] = $cpuload['loadavg'];
}
break;
case 'memory':
if (!$sysinfo) {
include_once 'libraries/sysinfo.lib.php';
$sysinfo = PMA_getSysInfo();
}
if (!$memory) {
$memory = $sysinfo->memory();
}
$ret['value'] = isset($memory[$pName]) ? $memory[$pName] : 0;
break;
}
return array($serverVars, $statusVars, $ret);
}
/**
* Returns JSon for log data with type: slow
*
* @param int $start Unix Time: Start time for query
* @param int $end Unix Time: End time for query
*
* @return Array
*/
function PMA_getJsonForLogDataTypeSlow($start, $end)
{
$query = 'SELECT start_time, user_host, ';
$query .= 'Sec_to_Time(Sum(Time_to_Sec(query_time))) as query_time, ';
$query .= 'Sec_to_Time(Sum(Time_to_Sec(lock_time))) as lock_time, ';
$query .= 'SUM(rows_sent) AS rows_sent, ';
$query .= 'SUM(rows_examined) AS rows_examined, db, sql_text, ';
$query .= 'COUNT(sql_text) AS \'#\' ';
$query .= 'FROM `mysql`.`slow_log` ';
$query .= 'WHERE start_time > FROM_UNIXTIME(' . $start . ') ';
$query .= 'AND start_time < FROM_UNIXTIME(' . $end . ') GROUP BY sql_text';
$result = $GLOBALS['dbi']->tryQuery($query);
$return = array('rows' => array(), 'sum' => array());
while ($row = $GLOBALS['dbi']->fetchAssoc($result)) {
$type = strtolower(
substr($row['sql_text'], 0, strpos($row['sql_text'], ' '))
);
switch($type) {
case 'insert':
case 'update':
//Cut off big inserts and updates, but append byte count instead
if (strlen($row['sql_text']) > 220) {
$implode_sql_text = implode(
' ',
PMA_Util::formatByteDown(
strlen($row['sql_text']), 2, 2
)
);
$row['sql_text'] = substr($row['sql_text'], 0, 200)
. '... [' . $implode_sql_text . ']';
}
break;
default:
break;
}
if (! isset($return['sum'][$type])) {
$return['sum'][$type] = 0;
}
$return['sum'][$type] += $row['#'];
$return['rows'][] = $row;
}
$return['sum']['TOTAL'] = array_sum($return['sum']);
$return['numRows'] = count($return['rows']);
$GLOBALS['dbi']->freeResult($result);
return $return;
}
/**
* Returns JSon for log data with type: general
*
* @param int $start Unix Time: Start time for query
* @param int $end Unix Time: End time for query
*
* @return Array
*/
function PMA_getJsonForLogDataTypeGeneral($start, $end)
{
$limitTypes = '';
if (isset($_REQUEST['limitTypes']) && $_REQUEST['limitTypes']) {
$limitTypes
= 'AND argument REGEXP \'^(INSERT|SELECT|UPDATE|DELETE)\' ';
}
$query = 'SELECT TIME(event_time) as event_time, user_host, thread_id, ';
$query .= 'server_id, argument, count(argument) as \'#\' ';
$query .= 'FROM `mysql`.`general_log` ';
$query .= 'WHERE command_type=\'Query\' ';
$query .= 'AND event_time > FROM_UNIXTIME(' . $start . ') ';
$query .= 'AND event_time < FROM_UNIXTIME(' . $end . ') ';
$query .= $limitTypes . 'GROUP by argument'; // HAVING count > 1';
$result = $GLOBALS['dbi']->tryQuery($query);
$return = array('rows' => array(), 'sum' => array());
$insertTables = array();
$insertTablesFirst = -1;
$i = 0;
$removeVars = isset($_REQUEST['removeVariables'])
&& $_REQUEST['removeVariables'];
while ($row = $GLOBALS['dbi']->fetchAssoc($result)) {
preg_match('/^(\w+)\s/', $row['argument'], $match);
$type = strtolower($match[1]);
if (! isset($return['sum'][$type])) {
$return['sum'][$type] = 0;
}
$return['sum'][$type] += $row['#'];
switch($type) {
case 'insert':
// Group inserts if selected
if ($removeVars
&& preg_match(
'/^INSERT INTO (`|\'|"|)([^\s\\1]+)\\1/i',
$row['argument'], $matches
)
) {
$insertTables[$matches[2]]++;
if ($insertTables[$matches[2]] > 1) {
$return['rows'][$insertTablesFirst]['#']
= $insertTables[$matches[2]];
// Add a ... to the end of this query to indicate that
// there's been other queries
$temp = $return['rows'][$insertTablesFirst]['argument'];
if ($temp[strlen($temp) - 1] != '.') {
$return['rows'][$insertTablesFirst]['argument']
.= '<br/>...';
}
// Group this value, thus do not add to the result list
continue 2;
} else {
$insertTablesFirst = $i;
$insertTables[$matches[2]] += $row['#'] - 1;
}
}
// No break here
case 'update':
// Cut off big inserts and updates,
// but append byte count therefor
if (strlen($row['argument']) > 220) {
$row['argument'] = substr($row['argument'], 0, 200)
. '... ['
. implode(
' ',
PMA_Util::formatByteDown(
strlen($row['argument']),
2,
2
)
)
. ']';
}
break;
default:
break;
}
$return['rows'][] = $row;
$i++;
}
$return['sum']['TOTAL'] = array_sum($return['sum']);
$return['numRows'] = count($return['rows']);
$GLOBALS['dbi']->freeResult($result);
return $return;
}
/**
* Returns JSon for logging vars
*
* @return Array
*/
function PMA_getJsonForLoggingVars()
{
if (isset($_REQUEST['varName']) && isset($_REQUEST['varValue'])) {
$value = PMA_Util::sqlAddSlashes($_REQUEST['varValue']);
if (! is_numeric($value)) {
$value="'" . $value . "'";
}
if (! preg_match("/[^a-zA-Z0-9_]+/", $_REQUEST['varName'])) {
$GLOBALS['dbi']->query(
'SET GLOBAL ' . $_REQUEST['varName'] . ' = ' . $value
);
}
}
$loggingVars = $GLOBALS['dbi']->fetchResult(
'SHOW GLOBAL VARIABLES WHERE Variable_name IN'
. ' ("general_log","slow_query_log","long_query_time","log_output")',
0,
1
);
return $loggingVars;
}
/**
* Returns JSon for query_analyzer
*
* @return Array
*/
function PMA_getJsonForQueryAnalyzer()
{
$return = array();
if (strlen($_REQUEST['database'])) {
$GLOBALS['dbi']->selectDb($_REQUEST['database']);
}
if ($profiling = PMA_Util::profilingSupported()) {
$GLOBALS['dbi']->query('SET PROFILING=1;');
}
// Do not cache query
$query = preg_replace(
'/^(\s*SELECT)/i',
'\\1 SQL_NO_CACHE',
$_REQUEST['query']
);
$result = $GLOBALS['dbi']->tryQuery($query);
$return['affectedRows'] = $GLOBALS['cached_affected_rows'];
$result = $GLOBALS['dbi']->tryQuery('EXPLAIN ' . $query);
while ($row = $GLOBALS['dbi']->fetchAssoc($result)) {
$return['explain'][] = $row;
}
// In case an error happened
$return['error'] = $GLOBALS['dbi']->getError();
$GLOBALS['dbi']->freeResult($result);
if ($profiling) {
$return['profiling'] = array();
$result = $GLOBALS['dbi']->tryQuery(
'SELECT seq,state,duration FROM INFORMATION_SCHEMA.PROFILING'
. ' WHERE QUERY_ID=1 ORDER BY seq'
);
while ($row = $GLOBALS['dbi']->fetchAssoc($result)) {
$return['profiling'][]= $row;
}
$GLOBALS['dbi']->freeResult($result);
}
return $return;
}
?>
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