From: Andrew Dolgov <fox@bah.spb.su>
Date: Thu, 10 Nov 2005 04:35:39 +0000 (+0100)
Subject: schema_version handling in backend.php
X-Git-Tag: 1.0.7~3
X-Git-Url: https://git.wh0rd.org/?a=commitdiff_plain;h=7ec2a838ef97834a93685dfea0e3f6cb4f38ac92;p=tt-rss.git

schema_version handling in backend.php
---

diff --git a/backend.php b/backend.php
index 611b67b3..2a865747 100644
--- a/backend.php
+++ b/backend.php
@@ -1,4 +1,6 @@
 <?
+	define(SCHEMA_VERSION, 2);
+
 	$op = $_GET["op"];
 
 	if ($op == "rpc") {
@@ -25,6 +27,16 @@
 	if (DB_TYPE == "pgsql") {
 		pg_query("set client_encoding = 'utf-8'");
 	}
+
+	$result = db_query($link, "SELECT schema_version FROM ttrss_version");
+
+	$schema_version = db_fetch_result($result, 0, "schema_version");
+
+	if ($schema_version != SCHEMA_VERSION) {
+		print "Error: database schema is invalid
+			(got version $schema_version; expected ".SCHEMA_VERSION.")";
+		return;
+	}
 	
 	$fetch = $_GET["fetch"];