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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\DB;
use Doctrine\DBAL\DBALException;
use Doctrine\DBAL\Schema\Column;
use Doctrine\DBAL\Schema\ColumnDiff;
use Doctrine\DBAL\Schema\Index;
use Doctrine\DBAL\Schema\Schema;
use Doctrine\DBAL\Schema\Table;
class OracleMigrator extends NoCheckMigrator {
/**
* @param Schema $targetSchema
* @param \Doctrine\DBAL\Connection $connection
* @return \Doctrine\DBAL\Schema\SchemaDiff
* @throws DBALException
*/
protected function getDiff(Schema $targetSchema, \Doctrine\DBAL\Connection $connection) {
$schemaDiff = parent::getDiff($targetSchema, $connection);
// oracle forces us to quote the identifiers
$schemaDiff->newTables = array_map(function(Table $table) {
return new Table(
$this->connection->quoteIdentifier($table->getName()),
array_map(function(Column $column) {
$newColumn = new Column(
$this->connection->quoteIdentifier($column->getName()),
$column->getType()
);
$newColumn->setAutoincrement($column->getAutoincrement());
$newColumn->setColumnDefinition($column->getColumnDefinition());
$newColumn->setComment($column->getComment());
$newColumn->setDefault($column->getDefault());
$newColumn->setFixed($column->getFixed());
$newColumn->setLength($column->getLength());
$newColumn->setNotnull($column->getNotnull());
$newColumn->setPrecision($column->getPrecision());
$newColumn->setScale($column->getScale());
$newColumn->setUnsigned($column->getUnsigned());
$newColumn->setPlatformOptions($column->getPlatformOptions());
$newColumn->setCustomSchemaOptions($column->getPlatformOptions());
return $newColumn;
}, $table->getColumns()),
array_map(function(Index $index) {
return new Index(
$this->connection->quoteIdentifier($index->getName()),
array_map(function($columnName) {
return $this->connection->quoteIdentifier($columnName);
}, $index->getColumns()),
$index->isUnique(),
$index->isPrimary(),
$index->getFlags(),
$index->getOptions()
);
}, $table->getIndexes()),
$table->getForeignKeys(),
0,
$table->getOptions()
);
}, $schemaDiff->newTables);
$schemaDiff->removedTables = array_map(function(Table $table) {
return new Table(
$this->connection->quoteIdentifier($table->getName()),
$table->getColumns(),
$table->getIndexes(),
$table->getForeignKeys(),
0,
$table->getOptions()
);
}, $schemaDiff->removedTables);
foreach ($schemaDiff->changedTables as $tableDiff) {
$tableDiff->name = $this->connection->quoteIdentifier($tableDiff->name);
foreach ($tableDiff->changedColumns as $column) {
$column->oldColumnName = $this->connection->quoteIdentifier($column->oldColumnName);
// auto increment is not relevant for oracle and can anyhow not be applied on change
$column->changedProperties = array_diff($column->changedProperties, ['autoincrement', 'unsigned']);
}
$tableDiff->changedColumns = array_filter($tableDiff->changedColumns, function (ColumnDiff $column) {
return count($column->changedProperties) > 0;
});
}
return $schemaDiff;
}
/**
* @param string $name
* @return string
*/
protected function generateTemporaryTableName($name) {
return 'oc_' . uniqid();
}
/**
* @param $statement
* @return string
*/
protected function convertStatementToScript($statement) {
if (substr($statement, -1) === ';') {
return $statement . PHP_EOL . '/' . PHP_EOL;
}
$script = $statement . ';';
$script .= PHP_EOL;
$script .= PHP_EOL;
return $script;
}
protected function getFilterExpression() {
return '/^"' . preg_quote($this->config->getSystemValue('dbtableprefix', 'oc_')) . '/';
}
}
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