<?php
/*
This file is included both from dbsync_update.php called by the form dbsync.php and also from
dbsync_automated_update.php, which is the file touched by deltasql clients.
The core logic of deltasql is here.
*/
include_once('utils/compatibility.inc.php');
setCompatibility(0);
include("dbsync_currentversion.inc.php");
include("utils/verification_scripts.inc.php");
include("utils/zip.inc.php");
include("utils/syncutils.inc.php");
include("utils/timing.inc.php");
function removeSyncPath($sessionid) {
$delstr = "DELETE FROM tbscriptgeneration WHERE sessionid='$sessionid'";
mysql_query($delstr);
}
/*
This routine traverses back the tree in tbbranch by recursive calls and while traversing back,
it creates entries in tbscriptgeneration. Exit point for the routine is when $frombranchid
is null or when we reached the target
*/
function generateSyncPath($sessionid, $frombranchid, $fromversionnr, $frombranchname, $tobranchid, $toversionnr, $tobranchname,
$exclbranch, $xmlformatted, $htmlformatted) {
if (($tobranchid=='') || ($tobranchid==0)) {
removeSyncPath($sessionid);
mysql_close();
errormessage(13, "-- There is no path between target branch and source branch, please check them", $xmlformatted, $htmlformatted);
}
if ($frombranchid==$tobranchid) {
$syncstr = "INSERT INTO tbscriptgeneration (sessionid,fromversionnr,toversionnr,frombranch,tobranch,frombranch_id,tobranch_id,exclbranch,create_dt)
VALUES ('$sessionid',$fromversionnr, $toversionnr,'$frombranchname','$tobranchname',$frombranchid,$tobranchid,$exclbranch,NOW());";
mysql_query($syncstr);
// we are done, we exit recursion
return;
} else {
// where do we want to go today? :-)
$nextstr = "select * from tbbranch where id=$tobranchid;";
$result_next=mysql_query($nextstr);
$sourcebranchname=mysql_result($result_next,0,"sourcebranch");
$sourcebranchid=mysql_result($result_next,0,"sourcebranch_id");
$sourceversionnr=mysql_result($result_next,0,"versionnr");
if ($sourceversionnr<$fromversionnr) $sourceversionnr=$fromversionnr;
$syncstr = "INSERT INTO tbscriptgeneration (sessionid,fromversionnr,toversionnr,frombranch,tobranch,frombranch_id,tobranch_id,exclbranch,create_dt)
VALUES ('$sessionid',$sourceversionnr, $toversionnr,'$sourcebranchname','$tobranchname',$sourcebranchid,$tobranchid,$exclbranch,NOW());";
mysql_query($syncstr);
generateSyncPath($sessionid, $frombranchid, $fromversionnr, $frombranchname, $sourcebranchid, $sourceversionnr, $sourcebranchname,
$exclbranch, $xmlformatted, $htmlformatted);
}
}
function dbsyncupdate($projectid, $lastversionnr, $frombranchid, $tobranchid, $htmlformatted,
$excludeviews, $excludepackages, $updateuser, $updatetype, $commitcomment, $schemaname, $dbtype,
$xmlformatted, $singlefiles, $debug) {
include("conf/config.inc.php");
include('utils/constants.inc.php');
$startwatch = start_watch();
if (!isset($default_copypaste)) $default_copypaste=1;
$generated_scripts=0; // this variable keeps track of how many scripts are outputted
if ($projectid=="") errormessage(10, "Not possible to compute a dbsync update if project name is missing.", $xmlformatted, $htmlformatted);
mysql_connect($dbserver, $username, $password);
@mysql_select_db($database) or die("Unable to select database");
// retrieve $dbtype from database, $dbtype is specified from the interface only in deltasql server < 1.7.0.
// With 1.7.0 we retrieve it from table tbproject
$useclause="";
if ($dbtype=="") {
$queryprj="SELECT * from tbproject where id=$projectid";
$resultprj=mysql_query($queryprj);
$dbtype=mysql_result($resultprj,0,"dbtype");
// we retrieve also the USE clause for Microsoft SQL server
$useclause=mysql_result($resultprj,0,"useclause");
// and if it necessary to show the top comment line on each script with version, author and so on
$sync_comments=mysql_result($resultprj,0,"sync_comments");
}
if ($dbtype=="") errormessage(18, "Database type not specified!", $xmlformatted, $htmlformatted);
$headid=retrieve_head_id();
$query16 = "SELECT * from tbmoduleproject where project_id=$projectid";
$result16=mysql_query($query16);
if ($result16!="") { $num16=mysql_num_rows($result16); } else {$num16=0;}
if ($num16==0) {
mysql_close();
errormessage(11, "-- Project does not contain any modules. Please add at least one module to the project!", $xmlformatted, $htmlformatted);
}
// retrieve branch information
$query3="SELECT * from tbbranch where id=$frombranchid";
$result3=mysql_query($query3);
$fromprojectid=mysql_result($result3,0,"project_id");
$fromversionnr=mysql_result($result3,0,"versionnr");
$frombranchname=mysql_result($result3,0,"name");
$fromsourcebranch=mysql_result($result3,0,"sourcebranch");
$fromsourcebranchid=mysql_result($result3,0,"sourcebranch_id");
$fromistag=mysql_result($result3,0,"istag");
if ($fromistag==1) {
// if it is a tag, lastversionnr is not needed!
if ($lastversionnr!="") {
mysql_close();
errormessage(16, "Version number not allowed if synchronizing from a tag", $xmlformatted, $htmlformatted);
}
if (($fromprojectid!="") && ($fromprojectid!=$projectid)) {
mysql_close();
errormessage(17, "-- The tag $frombranchname does not belong to the project!", $xmlformatted, $htmlformatted);
}
$lastversionnr=$fromversionnr;
$frombranchid=$fromsourcebranchid;
$frombranchname=$fromsourcebranch;
} else {
// lastversionnr is needed, if it is a branch or HEAD!
if ($lastversionnr=="") {
mysql_close();
errormessage(9, "Not possible to compute a dbsync update if version number is missing.", $xmlformatted, $htmlformatted);
}
if (($lastversionnr<0) || (!is_numeric($lastversionnr))) {
mysql_close();
errormessage(12, "Version number has to be greater equal zero.", $xmlformatted, $htmlformatted);
}
}
if (($frombranchid<>$headid) && ($lastversionnr<$fromversionnr)) {
mysql_close();
errormessage(15, "-- The given version number is lower than when the branch was created.", $xmlformatted, $htmlformatted);
}
$query4="SELECT * from tbbranch where id=$tobranchid";
$result4=mysql_query($query4);
$toprojectid=mysql_result($result4,0,"project_id");
$toversionnr=mysql_result($result4,0,"versionnr");
$tobranchname=mysql_result($result4,0,"name");
$tosourcebranch=mysql_result($result4,0,"sourcebranch");
$tosourcebranchid=mysql_result($result4,0,"sourcebranch_id");
$toistag=mysql_result($result4,0,"istag");
if ($toistag==1) {
$tagname=$tobranchname;
$tobranchname=$tosourcebranch;
$tobranchid=$tosourcebranchid;
if (($toprojectid!="") && ($toprojectid!=$projectid)) {
mysql_close();
errormessage(17, "-- The tag $tagname does not belong to the project!", $xmlformatted, $htmlformatted);
}
} else $tagname="";
// retrieve project name
$query77="SELECT * from tbproject where id=$projectid";
$result77=mysql_query($query77);
$projectname=mysql_result($result77,0,"name");
if (($fromprojectid!=$projectid) && ($frombranchname!="HEAD")) {
mysql_close();
errormessage(5, "The source branch $frombranchname does not belong to the project $projectname", $xmlformatted, $htmlformatted);
}
if (($toprojectid!=$projectid) && ($tobranchname!="HEAD")) {
mysql_close();
errormessage(6, "The target branch $tobranchname does not belong to the project $projectname", $xmlformatted, $htmlformatted);
}
// if it is a branch, we override the latest version with the global version
if ($toistag==0) {
$toversionnr = get_global_version();
}
if ($toversionnr<$lastversionnr) {
mysql_close();
errormessage(8, "-- No scripts to be executed (from $frombranchname [$lastversionnr] to $tobranchname [$toversionnr])", $xmlformatted, $htmlformatted);
}
$upgradefromprodtodev=0;
if ($tobranchname=="HEAD") {
if ($frombranchid!=$tobranchid) {
// this is an upgrade of a production schema to a development schema which requires particular attention
$upgradefromprodtodev=1;
}
}
// THE VERIFICATION PART ENDS HERE
// the output of the script begins, if all tests are passed
// generating sessionid
$c = uniqid (rand (),true);
$sessionid = md5($c);
// generating synchronization path
if ($upgradefromprodtodev==0) {
generateSyncPath($sessionid, $frombranchid, $lastversionnr, $frombranchname, $tobranchid, $toversionnr, $tobranchname, 0, $xmlformatted, $htmlformatted);
} else {
$syncstr = "INSERT INTO tbscriptgeneration (sessionid,fromversionnr,toversionnr,frombranch,tobranch,frombranch_id,tobranch_id,exclbranch,create_dt)
VALUES ('$sessionid',$lastversionnr, $toversionnr,'HEAD','HEAD',$headid,$headid,0,NOW());";
mysql_query($syncstr);
generateSyncPath($sessionid, $headid, 0, 'HEAD', $frombranchid, $lastversionnr, $frombranchname, 1, $xmlformatted, $htmlformatted);
}
if ($singlefiles==0) {
if ($xmlformatted) {
echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
echo "<xml>\n";
echo " <type>synchronization</type>\n";
echo " <maincomment>$commitcomment</maincomment>\n";
} else {
// HTML and text formatted
if ($htmlformatted==1) {
printCopyPasteLink("Copy to clipboard", 0, $default_copypaste);
echo "<hr><br>";
}
if ($commitcomment!="") {
echo "-- Commit Comment: ";
if ($htmlformatted==1) echo "<b><br>/*<h2>";
echo "$commitcomment\n\n";
if ($htmlformatted==1) echo "</h2>*/</b><br>";
}
if ($upgradefromprodtodev==1) {
if ($htmlformatted==1) echo "<b>";
echo "-- WARNING: this script updates your production schema to a development schema (back to HEAD)!!!\n";
if ($htmlformatted==1) echo "<br>";
echo "-- you should review this script manually, before executing it!!\n";
if ($htmlformatted==1) echo "</b><br>";
}
}
$textresult = printVerificationScript($dbtype, $htmlformatted, $projectname, $lastversionnr, $frombranchname, $xmlformatted, $useclause);
} else {
empty_directory("output/scripts");
}
// We output scripts here according to the TBSCRIPTGENERATION table, but we read the entries in reversed order :-)
// so that we traverse from root of the tree to the leaf
$querysg="SELECT * FROM tbscriptgeneration WHERE sessionid='$sessionid' ORDER BY id desc";
$resultsg=mysql_query($querysg);
if ($resultsg=="") {
mysql_close();
die("Severe internal error in synchronization step: tbscriptgeneration is empty");
}
$numsg=mysql_num_rows($resultsg);
if ($debug==1) {
echo "<pre><i>\n-- DEBUG: TBSCRIPTGENERATION table\n";
$i=0;
while ($i<$numsg) {
$tbsgfromversionnr = mysql_result($resultsg,$i,"fromversionnr");
$tbsgtoversionnr = mysql_result($resultsg,$i,"toversionnr");
$tbsgtobranchname = mysql_result($resultsg,$i,"tobranch");
$tbsgexclbranch = mysql_result($resultsg,$i,"exclbranch");
echo "-- Branch: $tbsgtobranchname From: $tbsgfromversionnr To: $tbsgtoversionnr Excl. branch: $tbsgexclbranch\n";
$i++;
}
echo "</i></pre>\n";
}
$i=0;
while ($i<$numsg) {
$tbsgfromversionnr = mysql_result($resultsg,$i,"fromversionnr");
$tbsgtoversionnr = mysql_result($resultsg,$i,"toversionnr");
$tbsgtobranchid = mysql_result($resultsg,$i,"tobranch_id");
$tbsgexclbranch = mysql_result($resultsg,$i,"exclbranch");
$query="SELECT DISTINCT s.*, u.username from tbscript s, tbscriptbranch sb, tbuser u where (s.versionnr>$tbsgfromversionnr) and (s.versionnr<=$tbsgtoversionnr) and (s.module_id in (select module_id from tbmoduleproject where project_id=$projectid) and (s.id=sb.script_id) and s.user_id=u.id and ";
if ($tbsgexclbranch==0) {
$query="$query (sb.branch_id=$tbsgtobranchid))";
} else {
$query="$query ($tbsgtobranchid NOT IN (select branch_id from tbscriptbranch WHERE script_id=s.id)) and ($headid IN (select branch_id from tbscriptbranch WHERE script_id=s.id)))";
}
if ($excludeviews==1) $query="$query and (s.isaview=0)";
if ($excludepackages==1) $query="$query and (s.isapackage=0)";
$query="$query ORDER BY versionnr ASC";
if ($debug==1) echo "<p><pre><i>-- DEBUG: query to generate this update script was:\n-- $query\n</i></pre></p>";
$result=mysql_query($query);
$generated_scripts+=output_scripts($result, $htmlformatted, $xmlformatted, $singlefiles, $textresult, $disable_sql_highlighting, $useclause, $dbtype, $sync_comments);
$i++;
}
// We clean up the entries with our sessionid in tbscriptgeneration
removeSyncPath($sessionid);
if ($singlefiles=="0") {
// construct final update statement
$query13="SELECT * FROM tbbranch where name='HEAD'";
$result13=mysql_query($query13);
$update_dt=mysql_result($result13,0,"create_dt");
if ($generated_scripts>0) {
$commentstring = "-- updating synchronization information for the database schema";
$schemastring = "";
$usestring = "";
if (($useclause!="") && ($dbtype==$db_sqlserver)) $usestring = "USE " . $useclause . ";\nGO\n";
if ($dbtype==$db_sqlserver) $schemastring = "dbo.";
$updatestring = $usestring . "INSERT INTO " . $schemastring . "tbsynchronize (PROJECTNAME, VERSIONNR, BRANCHNAME, TAGNAME, UPDATE_USER, UPDATE_TYPE, UPDATE_FROMVERSION, UPDATE_FROMSOURCE, DBTYPE)";
$updatestring = "$updatestring\nVALUES ('$projectname', $toversionnr, '$tobranchname', '$tagname', '$updateuser', '$updatetype', $lastversionnr, '$frombranchname', '$dbtype');";
if ($dbtype==$db_sqlserver) $updatestring=$updatestring . "\nGO\n";
if (!$xmlformatted) $updatestring = "$updatestring\n-- all scripts to reach db $tobranchname beginning from version $toversionnr on date $update_dt\n";
$stopwatch = stop_watch_string($startwatch);
$updatestring = "$updatestring-- synchronization script generated in $stopwatch seconds\n";
// query for the usage statistics
$ip=$_SERVER['REMOTE_ADDR'];
$usagestring = "INSERT INTO tbsyncstats (PROJECTNAME, VERSIONNR, BRANCHNAME, UPDATE_USER, UPDATE_TYPE, UPDATE_FROMVERSION, UPDATE_FROMSOURCE, DBTYPE, UPDATE_DT, IP)
VALUES ('$projectname', $toversionnr, '$tobranchname', '$updateuser', '$updatetype', $lastversionnr, '$frombranchname', '$dbtype', NOW(), '$ip');";
mysql_query($usagestring);
} else {
$commentstring = "-- It is not necessary to execute any SQL script\n";
$commentstring = "$commentstring-- The database schema is already uptodate\n\n";
$updatestring = "";
}
if ($xmlformatted==1) {
printXmlScript($updatestring, $commentstring, "" /*module*/, "" /*versionnr*/, "synchronization", "" /*date*/);
echo "</xml>\n";
} else
if ($htmlformatted==1) {
//html encoding
geshi_highlight("$commentstring\n$updatestring", 'sql');
echo '<br/><br/>';
include("bottom-with-navbar.inc.php");
// paragraph for copy&paste functionality
printCopyPasteBlock("$textresult$commentstring\n$updatestring", $default_copypaste);
} else {
echo "$commentstring\n$updatestring\n\n\n";
}
} // $singlefiles clause
else {
//if (file_exists("output/scripts.zip")) unlink("output/scripts.zip");
zip("output", "scripts", "scripts.zip");
js_redirect("output/scripts.zip");
}
mysql_close();
}
?>
