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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2023, Joas Schilling <coding@schilljs.com>
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Joas Schilling <coding@schilljs.com>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Piotr Mrowczynski <mrow4a@yahoo.com>
* @author Robin Appelman <robin@icewind.nl>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Victor Dubiniuk <dubiniuk@owncloud.com>
*
* @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\Exception;
use Doctrine\DBAL\Schema\Schema;
class OracleMigrator extends Migrator {
/**
* @param Schema $targetSchema
* @param \Doctrine\DBAL\Connection $connection
* @return \Doctrine\DBAL\Schema\SchemaDiff
* @throws Exception
*/
protected function getDiff(Schema $targetSchema, \Doctrine\DBAL\Connection $connection): \Doctrine\DBAL\Schema\SchemaDiff {
// oracle forces us to quote the identifiers
$quotedSchema = new Schema();
foreach ($targetSchema->getTables() as $table) {
$quotedTable = $quotedSchema->createTable(
$this->connection->quoteIdentifier($table->getName()),
);
foreach ($table->getColumns() as $column) {
$newColumn = $quotedTable->addColumn(
$this->connection->quoteIdentifier($column->getName()),
$column->getType()->getTypeRegistry()->lookupName($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());
}
foreach ($table->getIndexes() as $index) {
if ($index->isPrimary()) {
$quotedTable->setPrimaryKey(
array_map(function ($columnName) {
return $this->connection->quoteIdentifier($columnName);
}, $index->getColumns()),
//TODO migrate existing uppercase indexes, then $this->connection->quoteIdentifier($index->getName()),
$index->getName(),
);
} elseif ($index->isUnique()) {
$quotedTable->addUniqueIndex(
array_map(function ($columnName) {
return $this->connection->quoteIdentifier($columnName);
}, $index->getColumns()),
//TODO migrate existing uppercase indexes, then $this->connection->quoteIdentifier($index->getName()),
$index->getName(),
$index->getOptions(),
);
} else {
$quotedTable->addIndex(
array_map(function ($columnName) {
return $this->connection->quoteIdentifier($columnName);
}, $index->getColumns()),
//TODO migrate existing uppercase indexes, then $this->connection->quoteIdentifier($index->getName()),
$index->getName(),
$index->getFlags(),
$index->getOptions(),
);
}
}
foreach ($table->getUniqueConstraints() as $constraint) {
$quotedTable->addUniqueConstraint(
array_map(function ($columnName) {
return $this->connection->quoteIdentifier($columnName);
}, $constraint->getColumns()),
$this->connection->quoteIdentifier($constraint->getName()),
$constraint->getFlags(),
$constraint->getOptions(),
);
}
foreach ($table->getForeignKeys() as $foreignKey) {
$quotedTable->addForeignKeyConstraint(
$this->connection->quoteIdentifier($foreignKey->getForeignTableName()),
array_map(function ($columnName) {
return $this->connection->quoteIdentifier($columnName);
}, $foreignKey->getLocalColumns()),
array_map(function ($columnName) {
return $this->connection->quoteIdentifier($columnName);
}, $foreignKey->getForeignColumns()),
$foreignKey->getOptions(),
$this->connection->quoteIdentifier($foreignKey->getName()),
);
}
foreach ($table->getOptions() as $option => $value) {
$quotedTable->addOption(
$option,
$value,
);
}
}
foreach ($targetSchema->getSequences() as $sequence) {
$quotedSchema->createSequence(
$sequence->getName(),
$sequence->getAllocationSize(),
$sequence->getInitialValue(),
);
}
return parent::getDiff($quotedSchema, $connection);
}
/**
* @param $statement
* @return string
*/
protected function convertStatementToScript($statement) {
if (str_ends_with($statement, ';')) {
return $statement . PHP_EOL . '/' . PHP_EOL;
}
$script = $statement . ';';
$script .= PHP_EOL;
$script .= PHP_EOL;
return $script;
}
protected function getFilterExpression() {
return '/^"' . preg_quote($this->config->getSystemValueString('dbtableprefix', 'oc_')) . '/';
}
}
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