From e75952cd7f25889f5b06c619c5b893a0f5a8f18b Mon Sep 17 00:00:00 2001
From: jakubvrana <jakubvrana@7c3ca157-0c34-0410-bff1-cbf682f78f5c>
Date: Fri, 6 Jul 2007 09:49:33 +0000
Subject: [PATCH] Generalize foreign_keys()

git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@59 7c3ca157-0c34-0410-bff1-cbf682f78f5c
---
 functions.inc.php |  4 +---
 select.inc.php    |  7 ++++++-
 table.inc.php     | 14 +++-----------
 3 files changed, 10 insertions(+), 15 deletions(-)

diff --git a/functions.inc.php b/functions.inc.php
index 0ad02c65..d35f4412 100644
--- a/functions.inc.php
+++ b/functions.inc.php
@@ -68,9 +68,7 @@ function foreign_keys($table) {
 	foreach ($matches as $match) {
 		preg_match_all($pattern, $match[1], $source);
 		preg_match_all($pattern, $match[4], $target);
-		foreach ($source[1] as $val) {
-			$return[idf_unescape($val)][] = array(idf_unescape($match[2]), idf_unescape($match[3]), array_map('idf_unescape', $source[1]), array_map('idf_unescape', $target[1]));
-		}
+		$return[] = array(idf_unescape($match[2]), idf_unescape($match[3]), array_map('idf_unescape', $source[1]), array_map('idf_unescape', $target[1]));
 	}
 	return $return;
 }
diff --git a/select.inc.php b/select.inc.php
index d8e11d27..0d1c6a26 100644
--- a/select.inc.php
+++ b/select.inc.php
@@ -72,7 +72,12 @@ $found_rows = mysql_result(mysql_query(" SELECT FOUND_ROWS()"), 0); // space for
 if (!mysql_num_rows($result)) {
 	echo "<p class='message'>" . lang('No rows.') . "</p>\n";
 } else {
-	$foreign_keys = foreign_keys($_GET["select"]);
+	$foreign_keys = array();
+	foreach (foreign_keys($_GET["select"]) as $foreign_key) {
+		foreach ($foreign_key[2] as $val) {
+			$foreign_keys[$val][] = $foreign_key;
+		}
+	}
 	$childs = array();
 	$result1 = mysql_query("SELECT * FROM information_schema.KEY_COLUMN_USAGE WHERE REFERENCED_TABLE_SCHEMA = '" . mysql_real_escape_string($_GET["db"]) . "' AND REFERENCED_TABLE_NAME = '" . mysql_real_escape_string($_GET["select"]) . "' ORDER BY ORDINAL_POSITION");
 	while ($row1 = mysql_fetch_assoc($result1)) {
diff --git a/table.inc.php b/table.inc.php
index de172ec0..a47a956b 100644
--- a/table.inc.php
+++ b/table.inc.php
@@ -22,23 +22,15 @@ if ($indexes) {
 }
 echo '<p><a href="' . htmlspecialchars($SELF) . 'indexes=' . urlencode($_GET["table"]) . '">' . lang('Alter indexes') . "</a></p>\n";
 
-$result = mysql_query("SELECT * FROM information_schema.KEY_COLUMN_USAGE WHERE TABLE_SCHEMA = '" . mysql_real_escape_string($_GET["db"]) . "' AND TABLE_NAME = '" . mysql_real_escape_string($_GET["table"]) . "' AND REFERENCED_TABLE_NAME IS NOT NULL ORDER BY ORDINAL_POSITION");
-if (mysql_num_rows($result)) {
-	$foreign_keys = array();
-	while ($row = mysql_fetch_assoc($result)) {
-		$foreign_keys[$row["CONSTRAINT_NAME"]][0] = $row["REFERENCED_TABLE_SCHEMA"];
-		$foreign_keys[$row["CONSTRAINT_NAME"]][1] = $row["REFERENCED_TABLE_NAME"];
-		$foreign_keys[$row["CONSTRAINT_NAME"]][2][] = htmlspecialchars($row["COLUMN_NAME"]);
-		$foreign_keys[$row["CONSTRAINT_NAME"]][3][] = htmlspecialchars($row["REFERENCED_COLUMN_NAME"]);
-	}
+$foreign_keys = foreign_keys($_GET["table"]);
+if ($foreign_keys) {
 	echo "<h3>" . lang('Foreign keys') . "</h3>\n";
 	echo "<table border='1' cellspacing='0' cellpadding='2'>\n";
 	foreach ($foreign_keys as $foreign_key) {
-		echo "<tr><td><em>" . implode("</em>, <em>", $foreign_key[2]) . "</em></td><td>" . (strlen($foreign_key[0]) && $foreign_key[0] !== $_GET["db"] ? "<strong>" . htmlspecialchars($foreign_key[0]) . "</strong>." : "") . "<strong>" . htmlspecialchars($foreign_key[1]) . "</strong>(<em>" . implode("</em>, <em>", $foreign_key[3]) . "</em>)</td></tr>\n";
+		echo "<tr><td><em>" . implode("</em>, <em>", $foreign_key[2]) . "</em></td><td>" . (strlen($foreign_key[0]) && $foreign_key[0] !== $_GET["db"] ? "<strong>" . htmlspecialchars($foreign_key[0]) . "</strong>." : "") . htmlspecialchars($foreign_key[1]) . "(<em>" . implode("</em>, <em>", $foreign_key[3]) . "</em>)</td></tr>\n";
 	}
 	echo "</table>\n";
 }
-mysql_free_result($result);
 
 $result = mysql_query("SHOW TRIGGERS LIKE '" . mysql_real_escape_string($_GET["table"]) . "'");
 if (mysql_num_rows($result)) {