Revert "ups"

This reverts commit a6f3e051.

MysqliDb.php

@@ -215,48 +215,6 @@ class MysqliDb
         return $this->_dynamicBindResults($stmt);
     }
 
-    /**
-     * Pass in an array of subqueries for union query construction.
-     *
-     * @param array $objects Contains a user-provided array of subqueries
-     * @param $type 'ALL', 'DISTINCT', null.
-     *
-     * @return array Contains the returned rows from the query.
-     */
-    public function union ($objects, $type = null)
-    {
-        $allowedTypes = array('ALL', 'DISTINCT');
-        $type = strtoupper (trim ($type));
-
-        if ($type && !in_array ($type, $allowedTypes))
-            die ('Wrong UNION type: '.$type);
-
-        if (!is_array ($objects))
-            return;
-
-        $this->_query = "";
-        $i = 0;
-        foreach ($objects as $obj) {
-            if (!is_object ($obj))
-                continue;
-
-            if ($i++ != 0)
-                $this->_query .= " UNION {$type} ";
-
-            $subQuery = $obj->getSubQuery();
-            $this->_query .= "(" . $subQuery['query'] . ")";
-            foreach ($subQuery['params'] as $v)
-                $this->_bindParam ($v);
-        }
-        $stmt = $this->_buildQuery (null);
-        $stmt->execute();
-        $this->_stmtError = $stmt->error;
-        $this->reset();
-
-        return $this->_dynamicBindResults($stmt);
-    }
-
-
     /**
      *
      * @param string $query   Contains a user-provided select query.

readme.md

@@ -260,21 +260,6 @@ $data = Array (
 $id = $db->insert ("products", $data);
 // Gives INSERT INTO PRODUCTS (productName, userId, lastUpdated) values ("test product", (SELECT name FROM users WHERE id = 6), NOW());
 ```
-UNION queries
-```php
-$common = $db->subQuery();
-$common->where ("agentId", 10);
-
-$customers = $common->copy();
-$customers->get ("customers");
-
-$users = $common->copy();
-$users->get ("users");
-
-$db->orderBy ("lastModified");
-$res = $db->union (Array ($customers, $users, $companies), "ALL");
-GIVES (SELECT * FROM customers WHERE agentId = 10 ) UNION ALL (SELECT * FROM users WHERE agentId = 10 ) ORDER BY lastModified DESC
-```
 ### Helper commands
 Reconnect in case mysql connection died
 ```php