Port Functions from CMS

add findInSet()
add Rand()

Author: photodude

src/Sqlsrv/SqlsrvQuery.php

@@ -270,4 +270,42 @@ public function group($columns)
 
 		return $this;
 	}
+
+	/**
+	 * Return correct rand() function for MSSQL.
+	 *
+	 * Ensure that the rand() function is MSSQL compatible.
+	 *
+	 * Usage:
+	 * $query->Rand();
+	 *
+	 * @return  string  The correct rand function.
+	 *
+	 * @since   __DEPLOY_VERSION__
+	 */
+	public function Rand()
+	{
+		return ' NEWID() ';
+	}
+
+	/**
+	 * Find a value in a varchar used like a set.
+	 *
+	 * Ensure that the value is an integer before passing to the method.
+	 *
+	 * Usage:
+	 * $query->findInSet((int) $parent->id, 'a.assigned_cat_ids')
+	 *
+	 * @param   string  $value  The value to search for.
+	 *
+	 * @param   string  $set    The set of values.
+	 *
+	 * @return  string  Returns the find_in_set() Mysql translation.
+	 *
+	 * @since   __DEPLOY_VERSION__
+	 */
+	public function findInSet($value, $set)
+	{
+		return "CHARINDEX(',$value,', ',' + $set + ',') > 0";
+	}
 }