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Added replaceDB method in lib/db.php

This commit is contained in:
Tom Needham 2012-03-01 19:41:14 +00:00
parent 20b9678789
commit 33c5b3a2ef
1 changed files with 74 additions and 9 deletions
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81
lib/db.php
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@ -316,8 +316,11 @@ class OC_DB {
// read file
$content = file_get_contents( $file );
// Make changes and save them to a temporary file
$file2 = tempnam( get_temp_dir(), 'oc_db_scheme_' );
// Make changes and save them to an in-memory file
$file2 = 'static://db_scheme';
if($file2 == ''){
die('could not create tempfile in get_temp_dir() - aborting');
}
$content = str_replace( '*dbname*', $CONFIG_DBNAME, $content );
$content = str_replace( '*dbprefix*', $CONFIG_DBTABLEPREFIX, $content );
if( $CONFIG_DBTYPE == 'pgsql' ){ //mysql support it too but sqlite doesn't
@ -328,7 +331,7 @@ class OC_DB {
// Try to create tables
$definition = self::$schema->parseDatabaseDefinitionFile( $file2 );
// Delete our temporary file
//clean up memory
unlink( $file2 );
// Die in case something went wrong
@ -368,8 +371,8 @@ class OC_DB {
return false;
}
// Make changes and save them to a temporary file
$file2 = tempnam( get_temp_dir(), 'oc_db_scheme_' );
// Make changes and save them to an in-memory file
$file2 = 'static://db_scheme';
$content = str_replace( '*dbname*', $previousSchema['name'], $content );
$content = str_replace( '*dbprefix*', $CONFIG_DBTABLEPREFIX, $content );
if( $CONFIG_DBTYPE == 'pgsql' ){ //mysql support it too but sqlite doesn't
@ -378,7 +381,7 @@ class OC_DB {
file_put_contents( $file2, $content );
$op = self::$schema->updateDatabase($file2, $previousSchema, array(), false);
// Delete our temporary file
//clean up memory
unlink( $file2 );
if (PEAR::isError($op)) {
@ -389,6 +392,27 @@ class OC_DB {
return true;
}
/**
* @breif replaces the owncloud tables with a new set
*/
public static function replaceDB( $file ){
// Delete the old tables
self::removeDBStructure( '/home/tom/sites/secure.tomneedham.com/public_html/migration/db_structure.xml' );
$apps = OC_App::getAllApps();
foreach($apps as $app){
$path = '/apps/'.$app.'/appinfo/database.xml';
if(file_exists($path)){
self::removeDBStructure( $path );
}
}
// Create new tables
self::createDBFromStructure( $file );
}
/**
* @brief connects to a MDB2 database scheme
* @returns true/false
@ -482,6 +506,27 @@ class OC_DB {
}
}
/**
* @breif replaces the owncloud tables with a new set
*/
public static function replaceDB( $file ){
// Delete the old tables
self::removeDBStructure( OC::$DOCUMENTROOT . 'db_structure.xml' );
$apps = OC_App::getAllApps();
foreach($apps as $app){
$path = '/apps/'.$app.'/appinfo/database.xml';
if(file_exists($path)){
self::removeDBStructure( $path );
}
}
// Create new tables
self::createDBFromStructure( $file );
}
/**
* Start a transaction
*/
@ -505,6 +550,21 @@ class OC_DB {
self::$connection->commit();
self::$inTransaction=false;
}
/**
* check if a result is an error, works with MDB2 and PDOException
* @param mixed $result
* @return bool
*/
public static function isError($result){
if(!$result){
return true;
}elseif(self::$backend==self::BACKEND_MDB2 and PEAR::isError($result)){
return true;
}else{
return false;
}
}
}
/**
@ -524,11 +584,15 @@ class PDOStatementWrapper{
public function execute($input=array()){
$this->lastArguments=$input;
if(count($input)>0){
$this->statement->execute($input);
$result=$this->statement->execute($input);
}else{
$this->statement->execute();
$result=$this->statement->execute();
}
if($result){
return $this;
}else{
return false;
}
}
/**
@ -567,3 +631,4 @@ class PDOStatementWrapper{
return $this->statement->fetchColumn($colnum);
}
}