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<?php
/**
* Process an arbitrary SQL query - tricky! The main problem is that
* unless we implement a full SQL parser, there's no way of knowing
* how many SQL statements have been strung together with semi-colons
* @param $_SESSION['sqlquery'] The SQL query string to execute
*
* $Id: sql.php,v 1.43 2008/01/10 20:19:27 xzilla Exp $
*/
global $lang;
// Prevent timeouts on large exports (non-safe mode only)
if (!ini_get('safe_mode')) set_time_limit(0);
// Include application functions
include_once('./libraries/lib.inc.php');
/**
* This is a callback function to display the result of each separate query
* @param ADORecordSet $rs The recordset returned by the script execetor
*/
function sqlCallback($query, $rs, $lineno) {
global $data, $misc, $lang, $_connection;
// Check if $rs is false, if so then there was a fatal error
if ($rs === false) {
echo htmlspecialchars($_FILES['script']['name']), ':', $lineno, ': ', nl2br(htmlspecialchars($_connection->getLastError())), "<br/>\n";
}
else {
// Print query results
switch (pg_result_status($rs)) {
case PGSQL_TUPLES_OK:
// If rows returned, then display the results
$num_fields = pg_numfields($rs);
echo "<p><table>\n<tr>";
for ($k = 0; $k < $num_fields; $k++) {
echo "<th class=\"data\">", $misc->printVal(pg_fieldname($rs, $k)), "</th>";
}
$i = 0;
$row = pg_fetch_row($rs);
while ($row !== false) {
$id = (($i % 2) == 0 ? '1' : '2');
echo "<tr class=\"data{$id}\">\n";
foreach ($row as $k => $v) {
echo "<td style=\"white-space:nowrap;\">", $misc->printVal($v, pg_fieldtype($rs, $k), array('null' => true)), "</td>";
}
echo "</tr>\n";
$row = pg_fetch_row($rs);
$i++;
};
echo "</table><br/>\n";
echo $i, " {$lang['strrows']}</p>\n";
break;
case PGSQL_COMMAND_OK:
// If we have the command completion tag
if (version_compare(phpversion(), '4.3', '>=')) {
echo htmlspecialchars(pg_result_status($rs, PGSQL_STATUS_STRING)), "<br/>\n";
}
// Otherwise if any rows have been affected
elseif ($data->conn->Affected_Rows() > 0) {
echo $data->conn->Affected_Rows(), " {$lang['strrowsaff']}<br/>\n";
}
// Otherwise output nothing...
break;
case PGSQL_EMPTY_QUERY:
break;
default:
break;
}
}
}
// We need to store the query in a session for editing purposes
// We avoid GPC vars to avoid truncating long queries
if (isset($_REQUEST['subject']) && $_REQUEST['subject'] == 'history') {
// Or maybe we came from the history popup
$_SESSION['sqlquery'] = $_SESSION['history'][$_REQUEST['server']][$_REQUEST['database']][$_GET['queryid']]['query'];
}
elseif (isset($_POST['query'])) {
// Or maybe we came from an sql form
$_SESSION['sqlquery'] = $_POST['query'];
}
else {
echo "could not find the query!!";
}
// Pagination maybe set by a get link that has it as FALSE,
// if that's the case, unset the variable.
if (isset($_REQUEST['paginate']) && $_REQUEST['paginate'] == 'f') {
unset($_REQUEST['paginate']);
unset($_POST['paginate']);
unset($_GET['paginate']);
}
// Check to see if pagination has been specified. In that case, send to display
// script for pagination
/* if a file is given or the request is an explain, do not paginate */
if (isset($_REQUEST['paginate']) && !(isset($_FILES['script']) && $_FILES['script']['size'] > 0)
&& (preg_match('/^\s*explain/i', $_SESSION['sqlquery']) == 0)) {
include('./display.php');
exit;
}
$subject = isset($_REQUEST['subject'])? $_REQUEST['subject'] : '';
$misc->printHeader($lang['strqueryresults']);
$misc->printBody();
$misc->printTrail('database');
$misc->printTitle($lang['strqueryresults']);
// Set the schema search path
if (isset($_REQUEST['search_path'])) {
if ($data->setSearchPath(array_map('trim',explode(',',$_REQUEST['search_path']))) != 0) {
$misc->printFooter();
exit;
}
}
// May as well try to time the query
if (function_exists('microtime')) {
list($usec, $sec) = explode(' ', microtime());
$start_time = ((float)$usec + (float)$sec);
}
else $start_time = null;
// Execute the query. If it's a script upload, special handling is necessary
if (isset($_FILES['script']) && $_FILES['script']['size'] > 0)
$data->executeScript('script', 'sqlCallback');
else {
// Set fetch mode to NUM so that duplicate field names are properly returned
$data->conn->setFetchMode(ADODB_FETCH_NUM);
$rs = $data->conn->Execute($_SESSION['sqlquery']);
// $rs will only be an object if there is no error
if (is_object($rs)) {
// Request was run, saving it in history
if(!isset($_REQUEST['nohistory']))
$misc->saveScriptHistory($_SESSION['sqlquery']);
// Now, depending on what happened do various things
// First, if rows returned, then display the results
if ($rs->recordCount() > 0) {
echo "<table>\n<tr>";
foreach ($rs->fields as $k => $v) {
$finfo = $rs->fetchField($k);
echo "<th class=\"data\">", $misc->printVal($finfo->name), "</th>";
}
echo "</tr>\n";
$i = 0;
while (!$rs->EOF) {
$id = (($i % 2) == 0 ? '1' : '2');
echo "<tr class=\"data{$id}\">\n";
foreach ($rs->fields as $k => $v) {
$finfo = $rs->fetchField($k);
echo "<td style=\"white-space:nowrap;\">", $misc->printVal($v, $finfo->type, array('null' => true)), "</td>";
}
echo "</tr>\n";
$rs->moveNext();
$i++;
}
echo "</table>\n";
echo "<p>", $rs->recordCount(), " {$lang['strrows']}</p>\n";
}
// Otherwise if any rows have been affected
elseif ($data->conn->Affected_Rows() > 0) {
echo "<p>", $data->conn->Affected_Rows(), " {$lang['strrowsaff']}</p>\n";
}
// Otherwise nodata to print
else echo '<p>', $lang['strnodata'], "</p>\n";
}
}
// May as well try to time the query
if ($start_time !== null) {
list($usec, $sec) = explode(' ', microtime());
$end_time = ((float)$usec + (float)$sec);
// Get duration in milliseconds, round to 3dp's
$duration = number_format(($end_time - $start_time) * 1000, 3);
}
else $duration = null;
// Reload the browser as we may have made schema changes
$_reload_browser = true;
// Display duration if we know it
if ($duration !== null) {
echo "<p>", sprintf($lang['strruntime'], $duration), "</p>\n";
}
echo "<p>{$lang['strsqlexecuted']}</p>\n";
$navlinks = array();
$fields = array(
'server' => $_REQUEST['server'],
'database' => $_REQUEST['database'],
);
if(isset($_REQUEST['schema']))
$fields['schema'] = $_REQUEST['schema'];
// Return
if (isset($_REQUEST['return'])) {
$urlvars = $misc->getSubjectParams($_REQUEST['return']);
$navlinks['back'] = array (
'attr'=> array (
'href' => array (
'url' => $urlvars['url'],
'urlvars' => $urlvars['params']
)
),
'content' => $lang['strback']
);
}
// Edit
$navlinks['alter'] = array (
'attr'=> array (
'href' => array (
'url' => 'database.php',
'urlvars' => array_merge($fields, array (
'action' => 'sql',
))
)
),
'content' => $lang['streditsql']
);
// Create view and download
if (isset($_SESSION['sqlquery']) && isset($rs) && is_object($rs) && $rs->recordCount() > 0) {
// Report views don't set a schema, so we need to disable create view in that case
if (isset($_REQUEST['schema'])) {
$navlinks['createview'] = array (
'attr'=> array (
'href' => array (
'url' => 'views.php',
'urlvars' => array_merge($fields, array (
'action' => 'create'
))
)
),
'content' => $lang['strcreateview']
);
}
if (isset($_REQUEST['search_path']))
$fields['search_path'] = $_REQUEST['search_path'];
$navlinks['download'] = array (
'attr'=> array (
'href' => array (
'url' => 'dataexport.php',
'urlvars' => $fields
)
),
'content' => $lang['strdownload']
);
}
$misc->printNavLinks($navlinks, 'sql-form', get_defined_vars());
$misc->printFooter();
?>
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