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<?php
///////////////////////////////////////////////////////////////////////////////
//
// pgPhoneHome - Postgres Monitor for iPhone
// Copyright 2008, EnterpriseDB UK Ltd.
// Dave Page (dave.page@enterprisedb.com)
//
// results.php - Execute a query and display the results
//
///////////////////////////////////////////////////////////////////////////////
require "global.php";
// Get the parameters
if (isset($_GET['s']))
$server = intval($_GET['s']);
else
$server = -1;
if (isset($_POST['q']))
$sql = $_POST['q'];
else
$sql = "";
if (isset($_GET['d']))
$database = $_GET['d'];
else
$database = "";
if (isset($_GET['i']))
$id = $_GET['i'];
else
www_error("Invalid ID", "No query session ID was specified.");
if (isset($_GET['o']))
$offset = intval($_GET['o']);
else
$offset = -1;
if (isset($_GET['r']))
$row = intval($_GET['r']);
else
$row = -1;
// Start a session to store the results in
session_start();
// What are we doing then?
if ($sql != "") // Initial run of an SQL query
{
if ($server == -1 || $servers[$server]["description"] == "" || $servers[$server]["connstr"] == "")
www_error("Invalid server", "The specified server number ($server) does not have a valid configuration.");
// Set the display panel
$panel = "results" . $server;
// Connect the database.
$connstr = preg_replace("(dbname=[^\ ]*)", "dbname=" . $database, $servers[$server]["connstr"]);
$db = @pg_connect($connstr);
if ($db === FALSE)
www_error("Couldn't connect to the database.", html_entity_decode($php_errormsg, ENT_QUOTES));
// Run the query
$res = @pg_query($db, $sql);
if ($res === false)
www_error("Query execution error", $php_errormsg);
$list = "";
$divs = "";
$rownum = 0;
// Initialise the arrays to clear any old data
$_SESSION[$id]['columns'] = array();
$_SESSION[$id]['rows'] = array();
// Store metadata for future use
$_SESSION[$id]['column_count'] = pg_num_fields($res);
$_SESSION[$id]['actual_rows'] = pg_num_rows($res);
$_SESSION[$id]['row_count'] = ($_SESSION[$id]['actual_rows'] < $GLOBALS['config_max_result_rows']) ? $_SESSION[$id]['actual_rows'] : $GLOBALS['config_max_result_rows'];
// Column names
for ($x = 0; $x < $_SESSION[$id]['column_count']; $x++) {
$_SESSION[$id]['columns'][$x] = www_clean(pg_field_name($res, $x));
}
// Data
while (($rowarray = pg_fetch_array($res)) && ($rownum < $GLOBALS['config_max_result_rows'])) {
$_SESSION[$id]['rows'][$rownum] = $rowarray;
$rownum++;
}
// Display the results
if ($_SESSION[$id]['column_count'] > 0) {
$message = "Rows: " . $_SESSION[$id]['actual_rows'];
if ($_SESSION[$id]['actual_rows'] != $_SESSION[$id]['row_count'])
$message .= " (limited to " . $_SESSION[$id]['row_count'] . ")";
$list .= get_block(0, $id);
// Echo the HTML snippet
$text = <<<EOT
<ul id="$panel" title="Results">
<li class="group">$message</li>
$list
</ul>
$divs
EOT;
} else {
$message = "Affected rows: " . pg_affected_rows($res);
$text = <<<EOT
<div id="$panel" class="panel" title="Result">
<h2>Query completed</h2>
<p>$message</p>
</div>
EOT;
}
}
else if ($offset != -1) // Retrieving the next batch of rows
{
$text = get_block($offset, $id);
}
else if ($row != -1) // Return a row
{
$text = get_row($row, $id);
}
echo $text;
exit();
function get_block($offset, $id)
{
$data = "";
$last_row = (($offset + $GLOBALS['config_query_batch_size'] < $_SESSION[$id]['row_count'])) ? ($offset + $GLOBALS['config_query_batch_size']) : $_SESSION[$id]['row_count'];
for ($x = $offset; $x < $last_row; $x++) {
// Build the row preview list.
$data .= "<li class=\"d\"><a href=\"results.php?i=" . $id . "&r=" . $x . "\">";
$data .= $_SESSION[$id]['columns'][0] . ": <span class=\"cv\">" . www_clean(truncate_title($_SESSION[$id]['rows'][$x][0])) . "</span>";
if ($_SESSION[$id]['column_count'] >= 2)
$data .= "<br />" . $_SESSION[$id]['columns'][1] . ": <span class=\"cv\">" . www_clean(truncate_title($_SESSION[$id]['rows'][$x][1])) . "</span>";
if ($_SESSION[$id]['column_count'] >= 3)
$data .= "<br />" . $_SESSION[$id]['columns'][2] . ": <span class=\"cv\">" . www_clean(truncate_title($_SESSION[$id]['rows'][$x][2])) . "</span>";
$data .= "</a></li>";
}
// Add the 'Get more...' item if required
if ($last_row < $_SESSION[$id]['row_count'])
{
if (($last_row + $GLOBALS['config_query_batch_size']) > $_SESSION[$id]['row_count'])
$rows_to_fetch = ($_SESSION[$id]['row_count'] - $last_row);
else
$rows_to_fetch = $GLOBALS['config_query_batch_size'];
if ($rows_to_fetch == 1)
$data .= "<li><a href=\"results.php?i=" . $id . "&o=" . ($offset + $GLOBALS['config_query_batch_size']) . "\" target=\"_replace\">Get last row...</a></li>";
else
{
if ($rows_to_fetch < $GLOBALS['config_query_batch_size'])
$data .= "<li><a href=\"results.php?i=" . $id . "&o=" . ($offset + $GLOBALS['config_query_batch_size']) . "\" target=\"_replace\">Get last " . $rows_to_fetch . " rows...</a></li>";
else
$data .= "<li><a href=\"results.php?i=" . $id . "&o=" . ($offset + $GLOBALS['config_query_batch_size']) . "\" target=\"_replace\">Get " . $rows_to_fetch . " more rows...</a></li>";
}
}
return $data;
}
function get_row($row, $id)
{
$data = "";
// Build the panel for this row
$data .= "<div class=\"panel\" title=\"Query row\">";
$data .= "<div class=\"dh\">Row: " . ($row + 1) . "</div>";
for ($col = 0; $col < $_SESSION[$id]['column_count']; $col++) {
$data .= "<h2>" . $_SESSION[$id]['columns'][$col] . "</h2><div class=\"vb\">" . www_clean(truncate_value($_SESSION[$id]['rows'][$row][$col])) . "</div>";
}
$data .= "</div>";
return $data;
}
?>
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