From e015449e2238202b0df36f46999cd603f8b1d22b Mon Sep 17 00:00:00 2001
From: Marc Delisle <marc@infomarc.info>
Date: Tue, 3 Sep 2002 16:49:10 +0000
Subject: [PATCH] drop-down for foreign keys

---
 ChangeLog       |  4 ++++
 tbl_change.php3 | 43 +++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 45 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 9b2da390f..170ff28eb 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,10 @@ phpMyAdmin - Changelog
 $Id$
 $Source$
 
+2002-09-03 Marc Delisle  <lem9@users.sourceforge.net>
+    * tbl_change.php3: drop-down for foreign keys, patch 603939,
+      thanks to markus at noga.de
+
 2002-09-03 Loïc Chapeaux  <lolo@phpheaven.net>
     * libraries/display_tbl.lib.php3:
       - fix a PHP3 problem (foreach function was called);
diff --git a/tbl_change.php3 b/tbl_change.php3
index 545db1ac3..35d0fa1dc 100755
--- a/tbl_change.php3
+++ b/tbl_change.php3
@@ -8,7 +8,7 @@
 require('./libraries/grab_globals.lib.php3');
 $js_to_run = 'tbl_change.js';
 require('./header.inc.php3');
-
+require('./libraries/relation.lib.php3'); // foreign keys
 
 /**
  * Displays the query submitted and its result
@@ -135,7 +135,10 @@ else
     unset($row);
 }
 
-
+// <markus@noga.de>
+// retrieve keys into foreign fields, if any
+$cfgRelation = PMA_getRelationsParam();
+$foreigners  = PMA_getForeigners($db,$table);
 
 /**
  * Displays the form
@@ -362,6 +365,42 @@ for ($i = 0; $i < $fields_cnt; $i++) {
 
     // The value column (depends on type)
     // ----------------
+
+    // <markus@noga.de>
+    // selection box for foreign keys
+
+    // lem9: array_key_exists() only in PHP >= 4.1.0
+    // if(array_key_exists($field,$foreigners)) {
+
+    if (isset($foreigners[$field])) {
+        $foreigner      =$foreigners[$field];
+        $foreign_db     =$foreigner['foreign_db'];
+        $foreign_table  =$foreigner['foreign_table'];
+        $foreign_field  =$foreigner['foreign_field'];
+        $foreign_display=PMA_getDisplayField($foreign_db,$foreign_table);
+
+     // FIXME: not using foreign_db
+        $dispsql= "SELECT $foreign_field,$foreign_display FROM $foreign_table";
+
+     // lem9: put a LIMIT in case of big foreign table (looking for better
+     //       solution, maybe a configurable limit, or a message?)
+        $dispsql .= " LIMIT 100";
+        $disp   = PMA_mysql_query($dispsql);
+        echo '<td bgcolor="$bgcolor">' . "\n";
+        echo '    <select name="fields[' . urlencode($field) .  ']">' . "\n";
+        while ($relrow = @PMA_mysql_fetch_array($disp)) {
+            $key  =$relrow[$foreign_field];
+            $value=$relrow[$foreign_display];
+            echo '        <option value="' . $key. '"';
+            if ($key == $data) {
+               echo ' selected="selected" ';
+            } // end if
+            echo '>' . $key . '-' .  $value. '</option>' . "\n";
+        } // end while
+        echo '    </select>' . "\n";
+        echo '</td>' . "\n";
+    } else
+
     if (strstr($row_table_def['True_Type'], 'text')) {
         ?>
         <td bgcolor="<?php echo $bgcolor; ?>">