science-ation/plugins/evaluations/db/db_eval_update.php

110 lines
3.0 KiB
PHP

<?
if(file_exists("eval.code.version.txt"))
{
$dbcodeversion_file=file("eval.code.version.txt");
$dbcodeversion=trim($dbcodeversion_file[0]);
}
else
{
echo "Could not load current eval.code.version.txt\n";
exit;
}
include_once "../sfiab_common.inc.php";
//same fix here for mysql 5.1 not truncating the 16 char usernames
$DBUSER=substr($DBUSER,0,16);
mysql_connect($DBHOST,$DBUSER,$DBPASS);
mysql_select_db($DBNAME);
$q=mysql_query("SELECT db_version FROM eval_config");
$r=mysql_fetch_object($q);
$dbdbversion=$r->db_version;
if(!$dbdbversion)
{
echo "Could not get current 'Evaluations' db version. Is the plug-in properly installed?\n";
exit;
}
if($dbcodeversion && $dbdbversion)
{
//lets see if they match
if($dbcodeversion == $dbdbversion)
{
echo "DB and CODE for 'Evaluations' are all up-to-date. Version: $dbdbversion\n";
exit;
}
else if($dbcodeversion<$dbdbversion)
{
echo "ERROR: dbcodeversion<dbdbversion ($dbcodeversion<$dbdbversion). This should not happen!";
exit;
}
else if($dbcodeversion>$dbdbversion)
{
echo "DB update requirements detected<br />";
echo "Current 'Evaluations' DB Version: $dbdbversion<br />";
echo "Current 'Evaluations' CODE Version: $dbcodeversion<br />";
echo "Updating database from $dbdbversion to $dbcodeversion<br />";
for($ver=$dbdbversion+1;$ver<=$dbcodeversion;$ver++)
{
if(file_exists("db.eval.update.$ver.sql"))
{
echo "db.eval.update.$ver.sql detected - running...";
$exit_code = 0; // assume no errors for now
$filename = 'db.eval.update.'.$ver.'.sql';
// Temporary variable, used to store current query
$templine = '';
// Read in entire file
$lines = file($filename);
// Loop through each line
foreach ($lines as $line)
{
// Skip it if it's a comment
if (substr($line, 0, 2) == '--' || $line == '')
continue;
// Add this line to the current segment
$templine .= $line;
// If it has a semicolon at the end, it's the end of the query
if (substr(trim($line), -1, 1) == ';')
{
// Perform the query
if(!mysql_query($templine)){
echo('<br/>Error performing query!<br/>'.$templine.'<br/> mysqlerror: '.mysql_error().'<br /><br />');
$error_count += 1;
$exit_code = -1; // do we bail out here or keep going? keep going for now, get all errors
}
// Reset temp variable to empty
$templine = '';
}
}
if($exit_code != 0) {
/* mysql failed!, what now? */
$error_count += 1;
echo "<br /><b>ERROR in db_update: Failed to execute query(s) without error!</b><br />";
}
else{
echo " Done!<br />";
}
}
else
{
echo "Version $ver SQL update file not found - skipping over\n";
}
}
echo "<br />All done - updating Evaluations' new DB version to $dbcodeversion\n";
if ($error_count == 0 ){
mysql_query("UPDATE eval_config SET db_version='$dbcodeversion'");
}
}
}
else
{
echo "ERROR: dbcodeversion and dbdbversion are not defined\n";
}
?>