diff options
| author | Andrew Dolgov <[email protected]> | 2007-02-24 17:46:39 +0100 |
|---|---|---|
| committer | Andrew Dolgov <[email protected]> | 2007-02-24 17:46:39 +0100 |
| commit | fecd57c8861ebf5d213e1e85581ae4fc88ee0407 (patch) | |
| tree | ffff1bd8b3d7cf15ddee1c85a7af0e73b7f5984c /update.php | |
| parent | 12124198493e6c71f02033aebf85838e4f862598 (diff) | |
add new-style schema versions and updater
Diffstat (limited to 'update.php')
| -rw-r--r-- | update.php | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/update.php b/update.php new file mode 100644 index 000000000..964626d7f --- /dev/null +++ b/update.php @@ -0,0 +1,142 @@ +<?php + require_once "sessions.php"; + + require_once "sanity_check.php"; + require_once "functions.php"; + require_once "config.php"; + require_once "db.php"; + + $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME); + + if (DB_TYPE == "pgsql") { + pg_query($link, "set client_encoding = 'utf-8'"); + pg_set_client_encoding("UNICODE"); + } + + login_sequence($link); + + $owner_uid = $_SESSION["uid"]; + + if ($_SESSION["access_level"] < 10) { + header("Location: login.php"); die; + } + + define('SCHEMA_VERSION', 13); + +?> + +<html> +<head> + <title>Database Updater</title> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> + <link rel="stylesheet" type="text/css" href="update.css"> +</head> + +<body> + +<h1>Database Updater</h1> + +<?php + function getline($fp, $delim) { + $result = ""; + while(!feof($fp)) { + $tmp = fgetc($fp); + + if($tmp == $delim) { + return $result; + } + $result .= $tmp; + } + return $result; + } + + $op = $_REQUEST["op"]; + + $result = db_query($link, "SELECT schema_version FROM ttrss_version"); + $version = db_fetch_result($result, 0, "schema_version"); + + $update_files = glob("schema/versions/".DB_TYPE."/*sql"); + $update_versions = array(); + + foreach ($update_files as $f) { + $m = array(); + preg_match_all("/schema\/versions\/".DB_TYPE."\/(\d*)\.sql/", $f, $m, + PREG_PATTERN_ORDER); + + if ($m[1][0]) { + $update_versions[$m[1][0]] = $f; + } + } + + ksort($update_versions, SORT_NUMERIC); + + $latest_version = max(array_keys($update_versions)); + + if ($version == $latest_version) { + print "Database schema is up to date (version $version)."; + return; + } + + if (!$op) { + print "<p class='warning'><b>Warning:</b> Please backup your database before proceeding.</p>"; + + print "<p>Your database schema version is $version. Latest version is ". + "$latest_version.</p>"; + + print "<p>Available incremental updates:"; + + foreach (array_keys($update_versions) as $v) { + if ($v > $version) { + print " <a href='$update_versions[$v]'>$v</a>"; + } + } + + print "</p>"; + print "<a href='update.php?op=do'>Click here to perform updates.</a>"; + + } else if ($op == "do") { + + print "<p>Performing updates (version: $version)...</p>"; + + $num_updates = 0; + + foreach (array_keys($update_versions) as $v) { + if ($v == $version + 1) { + print "<p>Updating to version $v...</p>"; + $fp = fopen($update_versions[$v], "r"); + if ($fp) { + while (!feof($fp)) { + $query = trim(getline($fp, ";")); + if ($query != "") { + print "<p class='query'><b>QUERY:</b> $query</p>"; + db_query($link, $query); + } + } + } + fclose($fp); + + print "<p>Checking version... "; + + $result = db_query($link, "SELECT schema_version FROM ttrss_version"); + $version = db_fetch_result($result, 0, "schema_version"); + + if ($version == $v) { + print "OK!"; + } else { + print "<b>ERROR!</b>"; + return; + } + + $num_updates++; + } + } + + print "<p>Finished. Performed $num_updates updates up to schema + version $version.</p>"; + } +?> + + +</body> +</html> + |