646 lines
24 KiB
PHP
646 lines
24 KiB
PHP
<?php
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/*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\ORM\Tools;
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use Doctrine\ORM\ORMException,
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Doctrine\DBAL\Types\Type,
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Doctrine\ORM\EntityManager,
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Doctrine\ORM\Mapping\ClassMetadata,
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Doctrine\ORM\Internal\CommitOrderCalculator,
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Doctrine\ORM\Tools\Event\GenerateSchemaTableEventArgs,
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Doctrine\ORM\Tools\Event\GenerateSchemaEventArgs;
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/**
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* The SchemaTool is a tool to create/drop/update database schemas based on
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* <tt>ClassMetadata</tt> class descriptors.
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*
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link www.doctrine-project.org
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* @since 2.0
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* @version $Revision$
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* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
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* @author Jonathan Wage <jonwage@gmail.com>
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* @author Roman Borschel <roman@code-factory.org>
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* @author Benjamin Eberlei <kontakt@beberlei.de>
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*/
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class SchemaTool
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{
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/**
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* @var \Doctrine\ORM\EntityManager
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*/
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private $_em;
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/**
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* @var \Doctrine\DBAL\Platforms\AbstractPlatform
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*/
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private $_platform;
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/**
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* Initializes a new SchemaTool instance that uses the connection of the
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* provided EntityManager.
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*
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* @param Doctrine\ORM\EntityManager $em
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*/
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public function __construct(EntityManager $em)
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{
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$this->_em = $em;
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$this->_platform = $em->getConnection()->getDatabasePlatform();
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}
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/**
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* Creates the database schema for the given array of ClassMetadata instances.
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*
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* @param array $classes
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*/
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public function createSchema(array $classes)
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{
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$createSchemaSql = $this->getCreateSchemaSql($classes);
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$conn = $this->_em->getConnection();
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foreach ($createSchemaSql as $sql) {
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$conn->executeQuery($sql);
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}
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}
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/**
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* Gets the list of DDL statements that are required to create the database schema for
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* the given list of ClassMetadata instances.
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*
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* @param array $classes
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* @return array $sql The SQL statements needed to create the schema for the classes.
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*/
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public function getCreateSchemaSql(array $classes)
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{
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$schema = $this->getSchemaFromMetadata($classes);
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return $schema->toSql($this->_platform);
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}
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/**
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* From a given set of metadata classes this method creates a Schema instance.
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*
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* @param array $classes
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* @return Schema
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*/
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public function getSchemaFromMetadata(array $classes)
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{
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$processedClasses = array(); // Reminder for processed classes, used for hierarchies
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$sm = $this->_em->getConnection()->getSchemaManager();
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$metadataSchemaConfig = $sm->createSchemaConfig();
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$metadataSchemaConfig->setExplicitForeignKeyIndexes(false);
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$schema = new \Doctrine\DBAL\Schema\Schema(array(), array(), $metadataSchemaConfig);
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$evm = $this->_em->getEventManager();
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foreach ($classes as $class) {
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if (isset($processedClasses[$class->name]) || $class->isMappedSuperclass) {
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continue;
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}
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$table = $schema->createTable($class->getQuotedTableName($this->_platform));
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// TODO: Remove
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/**if ($class->isIdGeneratorIdentity()) {
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$table->setIdGeneratorType(\Doctrine\DBAL\Schema\Table::ID_IDENTITY);
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} else if ($class->isIdGeneratorSequence()) {
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$table->setIdGeneratorType(\Doctrine\DBAL\Schema\Table::ID_SEQUENCE);
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}*/
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$columns = array(); // table columns
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if ($class->isInheritanceTypeSingleTable()) {
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$columns = $this->_gatherColumns($class, $table);
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$this->_gatherRelationsSql($class, $table, $schema);
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// Add the discriminator column
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$discrColumnDef = $this->_getDiscriminatorColumnDefinition($class, $table);
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// Aggregate all the information from all classes in the hierarchy
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foreach ($class->parentClasses as $parentClassName) {
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// Parent class information is already contained in this class
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$processedClasses[$parentClassName] = true;
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}
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foreach ($class->subClasses as $subClassName) {
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$subClass = $this->_em->getClassMetadata($subClassName);
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$this->_gatherColumns($subClass, $table);
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$this->_gatherRelationsSql($subClass, $table, $schema);
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$processedClasses[$subClassName] = true;
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}
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} else if ($class->isInheritanceTypeJoined()) {
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// Add all non-inherited fields as columns
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$pkColumns = array();
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foreach ($class->fieldMappings as $fieldName => $mapping) {
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if ( ! isset($mapping['inherited'])) {
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$columnName = $class->getQuotedColumnName($mapping['fieldName'], $this->_platform);
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$this->_gatherColumn($class, $mapping, $table);
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if ($class->isIdentifier($fieldName)) {
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$pkColumns[] = $columnName;
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}
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}
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}
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$this->_gatherRelationsSql($class, $table, $schema);
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// Add the discriminator column only to the root table
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if ($class->name == $class->rootEntityName) {
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$discrColumnDef = $this->_getDiscriminatorColumnDefinition($class, $table);
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} else {
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// Add an ID FK column to child tables
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/* @var Doctrine\ORM\Mapping\ClassMetadata $class */
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$idMapping = $class->fieldMappings[$class->identifier[0]];
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$this->_gatherColumn($class, $idMapping, $table);
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$columnName = $class->getQuotedColumnName($class->identifier[0], $this->_platform);
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$pkColumns[] = $columnName;
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// TODO: REMOVE
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/*if ($table->isIdGeneratorIdentity()) {
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$table->setIdGeneratorType(\Doctrine\DBAL\Schema\Table::ID_NONE);
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}*/
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// Add a FK constraint on the ID column
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$table->addUnnamedForeignKeyConstraint(
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$this->_em->getClassMetadata($class->rootEntityName)->getQuotedTableName($this->_platform),
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array($columnName), array($columnName), array('onDelete' => 'CASCADE')
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);
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}
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$table->setPrimaryKey($pkColumns);
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} else if ($class->isInheritanceTypeTablePerClass()) {
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throw ORMException::notSupported();
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} else {
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$this->_gatherColumns($class, $table);
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$this->_gatherRelationsSql($class, $table, $schema);
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}
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if (isset($class->table['indexes'])) {
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foreach ($class->table['indexes'] AS $indexName => $indexData) {
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$table->addIndex($indexData['columns'], $indexName);
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}
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}
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if (isset($class->table['uniqueConstraints'])) {
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foreach ($class->table['uniqueConstraints'] AS $indexName => $indexData) {
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$table->addUniqueIndex($indexData['columns'], $indexName);
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}
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}
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$processedClasses[$class->name] = true;
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if ($class->isIdGeneratorSequence() && $class->name == $class->rootEntityName) {
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$seqDef = $class->sequenceGeneratorDefinition;
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if (!$schema->hasSequence($seqDef['sequenceName'])) {
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$schema->createSequence(
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$seqDef['sequenceName'],
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$seqDef['allocationSize'],
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$seqDef['initialValue']
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);
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}
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}
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if ($evm->hasListeners(ToolEvents::postGenerateSchemaTable)) {
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$evm->dispatchEvent(ToolEvents::postGenerateSchemaTable, new GenerateSchemaTableEventArgs($class, $schema, $table));
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}
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}
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if ($evm->hasListeners(ToolEvents::postGenerateSchema)) {
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$evm->dispatchEvent(ToolEvents::postGenerateSchema, new GenerateSchemaEventArgs($this->_em, $schema));
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}
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return $schema;
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}
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/**
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* Gets a portable column definition as required by the DBAL for the discriminator
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* column of a class.
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*
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* @param ClassMetadata $class
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* @return array The portable column definition of the discriminator column as required by
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* the DBAL.
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*/
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private function _getDiscriminatorColumnDefinition($class, $table)
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{
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$discrColumn = $class->discriminatorColumn;
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if (!isset($discrColumn['type']) || (strtolower($discrColumn['type']) == 'string' && $discrColumn['length'] === null)) {
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$discrColumn['type'] = 'string';
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$discrColumn['length'] = 255;
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}
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$table->addColumn(
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$discrColumn['name'],
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$discrColumn['type'],
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array('length' => $discrColumn['length'], 'notnull' => true)
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);
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}
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/**
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* Gathers the column definitions as required by the DBAL of all field mappings
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* found in the given class.
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*
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* @param ClassMetadata $class
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* @param Table $table
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* @return array The list of portable column definitions as required by the DBAL.
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*/
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private function _gatherColumns($class, $table)
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{
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$columns = array();
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$pkColumns = array();
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foreach ($class->fieldMappings as $fieldName => $mapping) {
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$column = $this->_gatherColumn($class, $mapping, $table);
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if ($class->isIdentifier($mapping['fieldName'])) {
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$pkColumns[] = $class->getQuotedColumnName($mapping['fieldName'], $this->_platform);
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}
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}
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// For now, this is a hack required for single table inheritence, since this method is called
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// twice by single table inheritence relations
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if(!$table->hasIndex('primary')) {
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$table->setPrimaryKey($pkColumns);
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}
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return $columns;
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}
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/**
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* Creates a column definition as required by the DBAL from an ORM field mapping definition.
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*
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* @param ClassMetadata $class The class that owns the field mapping.
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* @param array $mapping The field mapping.
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* @param Table $table
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* @return array The portable column definition as required by the DBAL.
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*/
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private function _gatherColumn($class, array $mapping, $table)
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{
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$columnName = $class->getQuotedColumnName($mapping['fieldName'], $this->_platform);
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$columnType = $mapping['type'];
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$options = array();
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$options['length'] = isset($mapping['length']) ? $mapping['length'] : null;
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$options['notnull'] = isset($mapping['nullable']) ? ! $mapping['nullable'] : true;
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if ($class->isInheritanceTypeSingleTable() && count($class->parentClasses) > 0) {
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$options['notnull'] = false;
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}
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$options['platformOptions'] = array();
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$options['platformOptions']['version'] = $class->isVersioned && $class->versionField == $mapping['fieldName'] ? true : false;
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if(strtolower($columnType) == 'string' && $options['length'] === null) {
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$options['length'] = 255;
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}
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if (isset($mapping['precision'])) {
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$options['precision'] = $mapping['precision'];
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}
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if (isset($mapping['scale'])) {
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$options['scale'] = $mapping['scale'];
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}
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if (isset($mapping['default'])) {
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$options['default'] = $mapping['default'];
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}
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if (isset($mapping['columnDefinition'])) {
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$options['columnDefinition'] = $mapping['columnDefinition'];
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}
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if ($class->isIdGeneratorIdentity() && $class->getIdentifierFieldNames() == array($mapping['fieldName'])) {
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$options['autoincrement'] = true;
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}
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if ($table->hasColumn($columnName)) {
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// required in some inheritance scenarios
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$table->changeColumn($columnName, $options);
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} else {
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$table->addColumn($columnName, $columnType, $options);
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}
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$isUnique = isset($mapping['unique']) ? $mapping['unique'] : false;
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if ($isUnique) {
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$table->addUniqueIndex(array($columnName));
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}
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}
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/**
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* Gathers the SQL for properly setting up the relations of the given class.
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* This includes the SQL for foreign key constraints and join tables.
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*
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* @param ClassMetadata $class
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* @param \Doctrine\DBAL\Schema\Table $table
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* @param \Doctrine\DBAL\Schema\Schema $schema
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* @return void
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*/
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private function _gatherRelationsSql($class, $table, $schema)
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{
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foreach ($class->associationMappings as $fieldName => $mapping) {
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if (isset($mapping['inherited'])) {
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continue;
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}
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$foreignClass = $this->_em->getClassMetadata($mapping['targetEntity']);
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if ($mapping['type'] & ClassMetadata::TO_ONE && $mapping['isOwningSide']) {
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$primaryKeyColumns = $uniqueConstraints = array(); // PK is unnecessary for this relation-type
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$this->_gatherRelationJoinColumns($mapping['joinColumns'], $table, $foreignClass, $mapping, $primaryKeyColumns, $uniqueConstraints);
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foreach($uniqueConstraints AS $indexName => $unique) {
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$table->addUniqueIndex($unique['columns'], is_numeric($indexName) ? null : $indexName);
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}
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} else if ($mapping['type'] == ClassMetadata::ONE_TO_MANY && $mapping['isOwningSide']) {
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//... create join table, one-many through join table supported later
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throw ORMException::notSupported();
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} else if ($mapping['type'] == ClassMetadata::MANY_TO_MANY && $mapping['isOwningSide']) {
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// create join table
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$joinTable = $mapping['joinTable'];
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$theJoinTable = $schema->createTable($foreignClass->getQuotedJoinTableName($mapping, $this->_platform));
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$primaryKeyColumns = $uniqueConstraints = array();
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// Build first FK constraint (relation table => source table)
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$this->_gatherRelationJoinColumns($joinTable['joinColumns'], $theJoinTable, $class, $mapping, $primaryKeyColumns, $uniqueConstraints);
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// Build second FK constraint (relation table => target table)
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$this->_gatherRelationJoinColumns($joinTable['inverseJoinColumns'], $theJoinTable, $foreignClass, $mapping, $primaryKeyColumns, $uniqueConstraints);
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$theJoinTable->setPrimaryKey($primaryKeyColumns);
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foreach($uniqueConstraints AS $indexName => $unique) {
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$theJoinTable->addUniqueIndex($unique['columns'], is_numeric($indexName) ? null : $indexName);
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}
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}
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}
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}
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/**
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* Gather columns and fk constraints that are required for one part of relationship.
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*
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* @param array $joinColumns
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* @param \Doctrine\DBAL\Schema\Table $theJoinTable
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* @param ClassMetadata $class
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* @param \Doctrine\ORM\Mapping\AssociationMapping $mapping
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* @param array $primaryKeyColumns
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* @param array $uniqueConstraints
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*/
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private function _gatherRelationJoinColumns($joinColumns, $theJoinTable, $class, $mapping, &$primaryKeyColumns, &$uniqueConstraints)
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{
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$localColumns = array();
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$foreignColumns = array();
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$fkOptions = array();
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foreach ($joinColumns as $joinColumn) {
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$columnName = $joinColumn['name'];
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$referencedFieldName = $class->getFieldName($joinColumn['referencedColumnName']);
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if ( ! $class->hasField($referencedFieldName)) {
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throw new \Doctrine\ORM\ORMException(
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"Column name `".$joinColumn['referencedColumnName']."` referenced for relation from ".
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$mapping['sourceEntity'] . " towards ". $mapping['targetEntity'] . " does not exist."
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);
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}
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$primaryKeyColumns[] = $columnName;
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$localColumns[] = $columnName;
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$foreignColumns[] = $joinColumn['referencedColumnName'];
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if ( ! $theJoinTable->hasColumn($joinColumn['name'])) {
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// Only add the column to the table if it does not exist already.
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// It might exist already if the foreign key is mapped into a regular
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// property as well.
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$fieldMapping = $class->getFieldMapping($referencedFieldName);
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$columnDef = null;
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if (isset($joinColumn['columnDefinition'])) {
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$columnDef = $joinColumn['columnDefinition'];
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} else if (isset($fieldMapping['columnDefinition'])) {
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$columnDef = $fieldMapping['columnDefinition'];
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}
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$columnOptions = array('notnull' => false, 'columnDefinition' => $columnDef);
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if (isset($joinColumn['nullable'])) {
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$columnOptions['notnull'] = !$joinColumn['nullable'];
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}
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if ($fieldMapping['type'] == "string") {
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$columnOptions['length'] = $fieldMapping['length'];
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} else if ($fieldMapping['type'] == "decimal") {
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$columnOptions['scale'] = $fieldMapping['scale'];
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$columnOptions['precision'] = $fieldMapping['precision'];
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}
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$theJoinTable->addColumn(
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$columnName, $class->getTypeOfColumn($joinColumn['referencedColumnName']), $columnOptions
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);
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}
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if (isset($joinColumn['unique']) && $joinColumn['unique'] == true) {
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$uniqueConstraints[] = array('columns' => array($columnName));
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}
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if (isset($joinColumn['onUpdate'])) {
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$fkOptions['onUpdate'] = $joinColumn['onUpdate'];
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}
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if (isset($joinColumn['onDelete'])) {
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$fkOptions['onDelete'] = $joinColumn['onDelete'];
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}
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}
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$theJoinTable->addUnnamedForeignKeyConstraint(
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$class->getQuotedTableName($this->_platform), $localColumns, $foreignColumns, $fkOptions
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);
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}
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/**
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* Drops the database schema for the given classes.
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*
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* In any way when an exception is thrown it is supressed since drop was
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* issued for all classes of the schema and some probably just don't exist.
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*
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* @param array $classes
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* @return void
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*/
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public function dropSchema(array $classes)
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{
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$dropSchemaSql = $this->getDropSchemaSql($classes);
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$conn = $this->_em->getConnection();
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foreach ($dropSchemaSql as $sql) {
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$conn->executeQuery($sql);
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}
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}
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/**
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* Gets the SQL needed to drop the database schema for the given classes.
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*
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* @param array $classes
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* @return array
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*/
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public function getDropSchemaSql(array $classes)
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{
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$sm = $this->_em->getConnection()->getSchemaManager();
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$schema = $sm->createSchema();
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$visitor = new \Doctrine\DBAL\Schema\Visitor\DropSchemaSqlCollector($this->_platform);
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/* @var $schema \Doctrine\DBAL\Schema\Schema */
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$schema->visit($visitor);
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|
return $visitor->getQueries();
|
|
}
|
|
|
|
/**
|
|
* Drop all tables of the database connection.
|
|
*
|
|
* @return array
|
|
*/
|
|
private function _getDropSchemaTablesDatabaseMode($classes)
|
|
{
|
|
$conn = $this->_em->getConnection();
|
|
|
|
$sm = $conn->getSchemaManager();
|
|
/* @var $sm \Doctrine\DBAL\Schema\AbstractSchemaManager */
|
|
|
|
$allTables = $sm->listTables();
|
|
|
|
$orderedTables = $this->_getDropSchemaTablesMetadataMode($classes);
|
|
foreach($allTables AS $tableName) {
|
|
if(!in_array($tableName, $orderedTables)) {
|
|
$orderedTables[] = $tableName;
|
|
}
|
|
}
|
|
|
|
return $orderedTables;
|
|
}
|
|
|
|
private function _getDropSchemaTablesMetadataMode(array $classes)
|
|
{
|
|
$orderedTables = array();
|
|
|
|
$commitOrder = $this->_getCommitOrder($classes);
|
|
$associationTables = $this->_getAssociationTables($commitOrder);
|
|
|
|
// Drop association tables first
|
|
foreach ($associationTables as $associationTable) {
|
|
$orderedTables[] = $associationTable;
|
|
}
|
|
|
|
// Drop tables in reverse commit order
|
|
for ($i = count($commitOrder) - 1; $i >= 0; --$i) {
|
|
$class = $commitOrder[$i];
|
|
|
|
if (($class->isInheritanceTypeSingleTable() && $class->name != $class->rootEntityName)
|
|
|| $class->isMappedSuperclass) {
|
|
continue;
|
|
}
|
|
|
|
$orderedTables[] = $class->getTableName();
|
|
}
|
|
|
|
//TODO: Drop other schema elements, like sequences etc.
|
|
|
|
return $orderedTables;
|
|
}
|
|
|
|
/**
|
|
* Updates the database schema of the given classes by comparing the ClassMetadata
|
|
* instances to the current database schema that is inspected.
|
|
*
|
|
* @param array $classes
|
|
* @return void
|
|
*/
|
|
public function updateSchema(array $classes, $saveMode=false)
|
|
{
|
|
$updateSchemaSql = $this->getUpdateSchemaSql($classes, $saveMode);
|
|
$conn = $this->_em->getConnection();
|
|
|
|
foreach ($updateSchemaSql as $sql) {
|
|
$conn->executeQuery($sql);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the sequence of SQL statements that need to be performed in order
|
|
* to bring the given class mappings in-synch with the relational schema.
|
|
*
|
|
* @param array $classes The classes to consider.
|
|
* @return array The sequence of SQL statements.
|
|
*/
|
|
public function getUpdateSchemaSql(array $classes, $saveMode=false)
|
|
{
|
|
$sm = $this->_em->getConnection()->getSchemaManager();
|
|
|
|
$fromSchema = $sm->createSchema();
|
|
$toSchema = $this->getSchemaFromMetadata($classes);
|
|
|
|
$comparator = new \Doctrine\DBAL\Schema\Comparator();
|
|
$schemaDiff = $comparator->compare($fromSchema, $toSchema);
|
|
|
|
if ($saveMode) {
|
|
return $schemaDiff->toSaveSql($this->_platform);
|
|
} else {
|
|
return $schemaDiff->toSql($this->_platform);
|
|
}
|
|
}
|
|
|
|
private function _getCommitOrder(array $classes)
|
|
{
|
|
$calc = new CommitOrderCalculator;
|
|
|
|
// Calculate dependencies
|
|
foreach ($classes as $class) {
|
|
$calc->addClass($class);
|
|
|
|
foreach ($class->associationMappings as $assoc) {
|
|
if ($assoc->isOwningSide) {
|
|
$targetClass = $this->_em->getClassMetadata($assoc['targetEntity']);
|
|
|
|
if ( ! $calc->hasClass($targetClass->name)) {
|
|
$calc->addClass($targetClass);
|
|
}
|
|
|
|
// add dependency ($targetClass before $class)
|
|
$calc->addDependency($targetClass, $class);
|
|
}
|
|
}
|
|
}
|
|
|
|
return $calc->getCommitOrder();
|
|
}
|
|
|
|
private function _getAssociationTables(array $classes)
|
|
{
|
|
$associationTables = array();
|
|
|
|
foreach ($classes as $class) {
|
|
foreach ($class->associationMappings as $assoc) {
|
|
if ($assoc->isOwningSide && $assoc['type'] == ClassMetadata::MANY_TO_MANY) {
|
|
$associationTables[] = $assoc->joinTable['name'];
|
|
}
|
|
}
|
|
}
|
|
|
|
return $associationTables;
|
|
}
|
|
}
|