[49565e]: adminer / sql.inc.php Maximize Restore History

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sql.inc.php    173 lines (165 with data), 6.8 kB

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<?php
restart_session();
$history_all = &get_session("queries");
$history = &$history_all[DB];
if (!$error && $_POST["clear"]) {
$history = array();
redirect(remove_from_uri("history"));
}
page_header(lang('SQL command'), $error);
if (!$error && $_POST) {
$fp = false;
$query = $_POST["query"];
if ($_POST["webfile"]) {
$fp = @fopen((file_exists("adminer.sql") ? "adminer.sql"
: (file_exists("adminer.sql.gz") ? "compress.zlib://adminer.sql.gz"
: "compress.bzip2://adminer.sql.bz2"
)), "rb");
$query = ($fp ? fread($fp, 1e6) : false);
} elseif ($_FILES["sql_file"]["error"] != 4) { // 4 - UPLOAD_ERR_NO_FILE
$query = get_file("sql_file", true);
}
if (is_string($query)) { // get_file() returns error as number, fread() as false
if (function_exists('memory_get_usage')) {
@ini_set("memory_limit", 2 * strlen($query) + memory_get_usage() + 8e6); // @ - may be disabled, 2 - substr and trim, 8e6 - other variables
}
if ($query != "" && strlen($query) < 1e6 && (!$history || end($history) != $query)) { // don't add repeated and big queries
$history[] = $query;
}
$space = "(\\s|/\\*.*\\*/|(#|-- )[^\n]*\n|--\n)";
if (!ini_bool("session.use_cookies")) {
session_write_close();
}
$delimiter = ";";
$offset = 0;
$empty = true;
$connection2 = connect(); // connection for exploring indexes and EXPLAIN (to not replace FOUND_ROWS()) //! PDO - silent error
if (is_object($connection2) && DB != "") {
$connection2->select_db(DB);
}
$commands = 0;
$errors = "";
while ($query != "") {
if (!$offset && preg_match('~^\\s*DELIMITER\\s+(.+)~i', $query, $match)) {
$delimiter = $match[1];
$query = substr($query, strlen($match[0]));
} else {
preg_match('(' . preg_quote($delimiter) . '|[\'`"]|/\\*|-- |#|$)', $query, $match, PREG_OFFSET_CAPTURE, $offset); // should always match
$found = $match[0][0];
$offset = $match[0][1] + strlen($found);
if (!$found && $fp && !feof($fp)) {
$query .= fread($fp, 1e5);
} else {
if (!$found && rtrim($query) == "") {
break;
}
if (!$found || $found == $delimiter) { // end of a query
$empty = false;
$q = substr($query, 0, $match[0][1]);
$commands++;
echo "<pre class='jush-$jush' id='sql-$commands'>" . shorten_utf8(trim($q), 1000) . "</pre>\n";
ob_flush();
flush(); // can take a long time - show the running query
$start = explode(" ", microtime()); // microtime(true) is available since PHP 5
//! don't allow changing of character_set_results, convert encoding of displayed query
if (!$connection->multi_query($q)) {
echo "<p class='error'>" . lang('Error in query') . ": " . error() . "\n";
$errors .= " <a href='#sql-$commands'>$commands</a>";
if ($_POST["error_stops"]) {
break;
}
} else {
if (is_object($connection2) && preg_match("~^$space*(USE)\\b~isU", $q)) {
$connection2->query($q);
}
do {
$result = $connection->store_result();
$end = explode(" ", microtime());
$time = " <span class='time'>(" . lang('%.3f s', max(0, $end[0] - $start[0] + $end[1] - $start[1])) . ")</span>";
if (is_object($result)) {
select($result, $connection2);
echo "<p>" . ($result->num_rows ? lang('%d row(s)', $result->num_rows) : "") . $time;
if ($connection2 && preg_match("~^($space|\\()*SELECT\\b~isU", $q)) {
$id = "explain-$commands";
echo ", <a href='#$id' onclick=\"return !toggle('$id');\">EXPLAIN</a>\n";
echo "<div id='$id' class='hidden'>\n";
select(explain($connection2, $q));
echo "</div>\n";
}
} else {
if (preg_match("~^$space*(CREATE|DROP|ALTER)$space+(DATABASE|SCHEMA)\\b~isU", $q)) {
restart_session();
set_session("dbs", null); // clear cache
session_write_close();
}
echo "<p class='message' title='" . h($connection->info) . "'>" . lang('Query executed OK, %d row(s) affected.', $connection->affected_rows) . "$time\n";
}
$start = $end;
} while ($connection->next_result());
}
$query = substr($query, $offset);
$offset = 0;
} else { // find matching quote or comment end
while (preg_match('~' . ($found == '/*' ? '\\*/' : (ereg('-- |#', $found) ? "\n" : "$found|\\\\.")) . '|$~s', $query, $match, PREG_OFFSET_CAPTURE, $offset)) { //! respect sql_mode NO_BACKSLASH_ESCAPES
$s = $match[0][0];
$offset = $match[0][1] + strlen($s);
if (!$s && $fp && !feof($fp)) {
$query .= fread($fp, 1e6);
} elseif ($s[0] != "\\") {
break;
}
}
}
}
}
}
if ($errors && $commands > 1) {
echo "<p class='error'>" . lang('Error in query') . ": $errors\n";
}
if ($empty) {
echo "<p class='message'>" . lang('No commands to execute.') . "\n";
}
//! MS SQL - SET SHOWPLAN_ALL OFF
} else {
echo "<p class='error'>" . upload_error($query) . "\n";
}
}
?>
<form action="" method="post" enctype="multipart/form-data">
<p><?php
$q = $_GET["sql"]; // overwrite $q from if ($_POST) to save memory
if ($_POST) {
$q = $_POST["query"];
} elseif ($_GET["history"] != "") {
$q = $history[$_GET["history"]];
}
textarea("query", $q, 20);
echo ($_POST ? "" : "<script type='text/javascript'>document.getElementsByTagName('textarea')[0].focus();</script>\n");
echo "<p>" . (ini_bool("file_uploads") ? lang('File upload') . ': <input type="file" name="sql_file">' : lang('File uploads are disabled.'));
?>
<p>
<input type="hidden" name="token" value="<?php echo $token; ?>">
<input type="submit" value="<?php echo lang('Execute'); ?>" title="Ctrl+Enter">
<?php
echo checkbox("error_stops", 1, $_POST["error_stops"], lang('Stop on error'));
print_fieldset("webfile", lang('From server'), $_POST["webfile"]);
$compress = array();
foreach (array("gz" => "zlib", "bz2" => "bz2") as $key => $val) {
if (extension_loaded($val)) {
$compress[] = ".$key";
}
}
echo lang('Webserver file %s', "<code>adminer.sql" . ($compress ? "[" . implode("|", $compress) . "]" : "") . "</code>");
echo ' <input type="submit" name="webfile" value="' . lang('Run file') . '">';
echo "</div></fieldset>\n";
if ($history) {
print_fieldset("history", lang('History'), $_GET["history"] != "");
foreach ($history as $key => $val) {
//! save and display timestamp
echo '<a href="' . h(ME . "sql=&history=$key") . '">' . lang('Edit') . "</a> <code class='jush-$jush'>" . shorten_utf8(ltrim(str_replace("\n", " ", str_replace("\r", "", preg_replace('~^(#|-- ).*~m', '', $val)))), 80, "</code>") . "<br>\n";
}
echo "<input type='submit' name='clear' value='" . lang('Clear') . "'>\n";
echo "</div></fieldset>\n";
}
?>
</form>