1 files changed, 75 insertions, 0 deletions
diff --git a/hugo/pmd_relation_upd.php b/hugo/pmd_relation_upd.php
new file mode 100644
index 0000000..0599fe8
--- /dev/null
+++ b/hugo/pmd_relation_upd.php
@@ -0,0 +1,75 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ *
+ * @package PhpMyAdmin-Designer
+ */
+
+/**
+ *
+ */
+require_once './libraries/common.inc.php';
+
+PMA_Response::getInstance()->disable();
+
+require_once 'libraries/pmd_common.php';
+extract($_POST, EXTR_SKIP);
+extract($_GET, EXTR_SKIP);
+$die_save_pos = 0;
+require_once 'pmd_save_pos.php';
+list($DB1, $T1) = explode(".", $T1);
+list($DB2, $T2) = explode(".", $T2);
+
+$tables = PMA_DBI_get_tables_full($db, $T1);
+$type_T1 = strtoupper($tables[$T1]['ENGINE']);
+$tables = PMA_DBI_get_tables_full($db, $T2);
+$type_T2 = strtoupper($tables[$T2]['ENGINE']);
+
+$try_to_delete_internal_relation = false;
+
+if (PMA_Util::isForeignKeySupported($type_T1)
+    && PMA_Util::isForeignKeySupported($type_T2)
+    && $type_T1 == $type_T2
+) {
+    // InnoDB
+    $existrel_foreign = PMA_getForeigners($DB2, $T2, '', 'foreign');
+
+    if (isset($existrel_foreign[$F2]['constraint'])) {
+        $upd_query  = 'ALTER TABLE ' . PMA_Util::backquote($DB2)
+            . '.' . PMA_Util::backquote($T2) . ' DROP FOREIGN KEY '
+            . PMA_Util::backquote($existrel_foreign[$F2]['constraint'])
+            . ';';
+        $upd_rs     = PMA_DBI_query($upd_query);
+    } else {
+        // there can be an internal relation even if InnoDB
+        $try_to_delete_internal_relation = true;
+    }
+} else {
+    $try_to_delete_internal_relation = true;
+}
+if ($try_to_delete_internal_relation) {
+    // internal relations
+    PMA_queryAsControlUser(
+        'DELETE FROM '
+        . PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
+        . $cfg['Server']['relation'].' WHERE '
+        . 'master_db = \'' . PMA_Util::sqlAddSlashes($DB2) . '\''
+        . ' AND master_table = \'' . PMA_Util::sqlAddSlashes($T2) . '\''
+        . ' AND master_field = \'' . PMA_Util::sqlAddSlashes($F2) . '\''
+        . ' AND foreign_db = \'' . PMA_Util::sqlAddSlashes($DB1) . '\''
+        . ' AND foreign_table = \'' . PMA_Util::sqlAddSlashes($T1) . '\''
+        . ' AND foreign_field = \'' . PMA_Util::sqlAddSlashes($F1) . '\'',
+        false,
+        PMA_DBI_QUERY_STORE
+    );
+}
+PMD_return_upd(1, __('Relation deleted'));
+
+function PMD_return_upd($b, $ret)
+{
+    global $K;
+    header("Content-Type: text/xml; charset=utf-8");
+    header("Cache-Control: no-cache");
+    die('<root act="relation_upd" return="'.$ret.'" b="'.$b.'" K="'.$K.'"></root>');
+}
+?>