first commit

upgrade/list/upgrade.2011-11-28.php

@@ -0,0 +1,68 @@
+<?php
+
+class Upgrade8 extends UpgradeNew
+{
+    // overi, jestli je opravnene provest upgrade
+    public function checkRightfulness_1()
+    {
+        $change = true;
+
+        $SQL = sqlQuery('SHOW FIELDS FROM '.getTableName('products_variations'));
+        while ($row = sqlFetchArray($SQL)) {
+            if ($row['Field'] == 'price') {
+                $change = false;
+                break;
+            }
+        }
+
+        return $change;
+    }
+
+    // provest samotny upgrade
+    public function makeChanges_1()
+    {
+        sqlQuery('ALTER TABLE '.getTableName('products_variations').' ADD price INT NULL AFTER delivery_time;');
+
+        $this->upgradeOK();
+    }
+
+    // overi, jestli je opravnene provest upgrade
+    public function checkRightfulness_2()
+    {
+        $change = false;
+
+        $SQL = sqlQuery('SHOW FIELDS FROM '.getTableName('products_variations_choices_values'));
+        while ($row = sqlFetchArray($SQL)) {
+            if ($row['Field'] == 'id_product') {
+                $change = true;
+                break;
+            }
+        }
+
+        return $change;
+    }
+
+    // provest samotny upgrade
+    public function makeChanges_2()
+    {
+        sqlQuery('UPDATE '.getTableName('products_variations_combination').' pvc 
+								JOIN '.getTableName('products_variations_choices_values').' pvcv2 ON pvc.id_value=pvcv2.id 
+								SET pvc.id_value = (
+									SELECT MIN(pvcv.id) 
+									FROM '.getTableName('products_variations_choices_values').' pvcv 
+									WHERE pvcv.value = pvcv2.value AND pvc.id_label = pvcv.id_label
+								);', '@');
+
+        sqlQuery('CREATE TEMPORARY TABLE tmp_variation AS SELECT MIN(id) AS id,id_label,value,code FROM '.getTableName('products_variations_choices_values').' pvcv GROUP BY value,id_label', '@');
+
+        sqlQuery('DELETE pvcv FROM '.getTableName('products_variations_choices_values').' pvcv LEFT JOIN tmp_variation USING(id) WHERE tmp_variation.id IS NULL;', '@');
+
+        sqlQuery('ALTER TABLE '.getTableName('products_variations_choices_values').' DROP FOREIGN KEY `products_variations_choices_values_ibfk_2`;', '@');
+
+        sqlQuery('ALTER TABLE '.getTableName('products_variations_choices_values').' DROP id_product;', '@');
+
+        sqlQuery('DROP TABLE tmp_variation;', '@');
+
+        $this->upgradeOK();
+    }
+}