Allow limiting number of displayed rows in SQL command (bug #406)

adminer/include/editing.inc.php

@@ -3,9 +3,10 @@
 * @param Min_Result
 * @param Min_DB connection to examine indexes
 * @param array
+* @param int
 * @return array $orgtables
 */
-function select($result, $connection2 = null, $orgtables = array()) {
+function select($result, $connection2 = null, $orgtables = array(), $limit = 0) {
 	global $jush;
 	$links = array(); // colno => orgtable - create links from these columns
 	$indexes = array(); // orgtable => array(column => colno) - primary keys
@@ -14,7 +15,7 @@ function select($result, $connection2 = null, $orgtables = array()) {
 	$types = array(); // colno => type - display char in <code>
 	$return = array(); // table => orgtable - mapping to use in EXPLAIN
 	odd(''); // reset odd for each result
-	for ($i=0; $row = $result->fetch_row(); $i++) {
+	for ($i=0; (!$limit || $i < $limit) && ($row = $result->fetch_row()); $i++) {
 		if (!$i) {
 			echo "<table cellspacing='0' class='nowrap'>\n";
 			echo "<thead><tr>";

adminer/include/version.inc.php

@@ -1,2 +1,2 @@
 <?php
-$VERSION = "4.1.1-dev";
+$VERSION = "4.2.0-dev";

adminer/lang/cs.inc.php

@@ -235,11 +235,13 @@ $translations = array(
 	'Sort' => 'Seřadit',
 	'descending' => 'sestupně',
 	'Limit' => 'Limit',
+	'Limit rows' => 'Limit řádek',
 	'Text length' => 'Délka textů',
 	'Action' => 'Akce',
 	'Full table scan' => 'Průchod celé tabulky',
 	'Unable to select the table' => 'Nepodařilo se vypsat tabulku',
 	'No rows.' => 'Žádné řádky.',
+	'%d / ' => '%d / ',
 	'%d row(s)' => array('%d řádek', '%d řádky', '%d řádků'),
 	'Page' => 'Stránka',
 	'last' => 'poslední',

adminer/lang/en.inc.php

@@ -5,6 +5,7 @@ $translations = array(
 	'%d byte(s)' => array('%d byte', '%d bytes'),
 	'Routine has been called, %d row(s) affected.' => array('Routine has been called, %d row affected.', 'Routine has been called, %d rows affected.'),
 	'%d process(es) have been killed.' => array('%d process has been killed.', '%d processes have been killed.'),
+	'%d / ' => '%d / ',
 	'%d row(s)' => array('%d row', '%d rows'),
 	'%d item(s) have been affected.' => array('%d item has been affected.', '%d items have been affected.'),
 	'%d row(s) have been imported.' => array('%d row has been imported.', '%d rows have been imported.'),

adminer/lang/xx.inc.php

@@ -234,11 +234,13 @@ $translations = array(
 	'Sort' => 'xx',
 	'descending' => 'xx',
 	'Limit' => 'xx',
+	'Limit rows' => 'xx',
 	'Text length' => 'xx',
 	'Action' => 'xx',
 	'Full table scan' => 'xx',
 	'Unable to select the table' => 'xx',
 	'No rows.' => 'xx',
+	'%d / ' => 'xx',
 	'%d row(s)' => array('xx', 'xx'),
 	'Page' => 'xx',
 	'last' => 'xx',

adminer/sql.inc.php

@@ -121,10 +121,13 @@ if (!$error && $_POST) {
 								}
 
 							} elseif (is_object($result)) {
-								$orgtables = select($result, $connection2);
+								$limit = $_POST["limit"];
+								$orgtables = select($result, $connection2, array(), $limit);
 								if (!$_POST["only_errors"]) {
 									echo "<form action='' method='post'>\n";
-									echo "<p>" . ($result->num_rows ? lang('%d row(s)', $result->num_rows) : "") . $time;
+									$num_rows = $result->num_rows;
+									echo "<p>" . ($num_rows ? ($limit && $num_rows > $limit ? lang('%d / ', $limit) : "") . lang('%d row(s)', $num_rows) : "");
+									echo $time;
 									$id = "export-$commands";
 									$export = ", <a href='#$id' onclick=\"return !toggle('$id');\">" . lang('Export') . "</a><span id='$id' class='hidden'>: "
 										. html_select("output", $adminer->dumpOutput(), $adminer_export["output"]) . " "
@@ -199,6 +202,7 @@ if (!isset($_GET["import"])) {
 	textarea("query", $q, 20);
 	echo ($_POST ? "" : "<script type='text/javascript'>focus(document.getElementsByTagName('textarea')[0]);</script>\n");
 	echo "<p>$execute\n";
+	echo lang('Limit rows') . ": <input type='number' name='limit' class='size' value='" . h($_POST ? $_POST["limit"] : $_GET["limit"]) . "'>\n";
 	
 } else {
 	echo "<fieldset><legend>" . lang('File upload') . "</legend><div>";

changes.txt

@@ -1,4 +1,5 @@
-Adminer 4.1.1-dev:
+Adminer 4.2.0-dev:
+Allow limiting number of displayed rows in SQL command
 Fix reading routine column collations
 Unlock session in alter database
 Make master key unreadable to others (bug #410)