702 lines
27 KiB
PHP
702 lines
27 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\DBAL\Schema\Schema,
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Doctrine\DBAL\Schema\Visitor\RemoveNamespacedAssets,
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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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* @throws ToolsException
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* @param array $classes
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* @return void
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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 $sql) {
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try {
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$conn->executeQuery($sql);
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} catch(\Exception $e) {
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throw ToolsException::schemaToolFailure($sql, $e);
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}
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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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* Some instances of ClassMetadata don't need to be processed in the SchemaTool context. This method detects them.
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*
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* @param ClassMetadata $class
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* @param array $processedClasses
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* @return bool
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*/
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private function processingNotRequired($class, array $processedClasses)
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{
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return (
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isset($processedClasses[$class->name]) ||
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$class->isMappedSuperclass ||
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($class->isInheritanceTypeSingleTable() && $class->name != $class->rootEntityName)
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);
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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 Schema(array(), array(), $metadataSchemaConfig);
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$evm = $this->_em->getEventManager();
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foreach ($classes as $class) {
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if ($this->processingNotRequired($class, $processedClasses)) {
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continue;
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}
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$table = $schema->createTable($class->getQuotedTableName($this->_platform));
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$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, $schema);
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// Add the discriminator column
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$this->addDiscriminatorColumnDefinition($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 == $class->rootEntityName) {
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$this->addDiscriminatorColumnDefinition($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], $this->_platform);
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// TODO: This seems rather hackish, can we optimize it?
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$table->getColumn($columnName)->setAutoincrement(false);
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$pkColumns[] = $columnName;
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// Add a FK constraint on the ID column
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$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, $schema);
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}
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$pkColumns = array();
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foreach ($class->identifier AS $identifierField) {
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if (isset($class->fieldMappings[$identifierField])) {
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$pkColumns[] = $class->getQuotedColumnName($identifierField, $this->_platform);
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} else if (isset($class->associationMappings[$identifierField])) {
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/* @var $assoc \Doctrine\ORM\Mapping\OneToOne */
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$assoc = $class->associationMappings[$identifierField];
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foreach ($assoc['joinColumns'] AS $joinColumn) {
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$pkColumns[] = $joinColumn['name'];
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}
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}
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}
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if (!$table->hasIndex('primary')) {
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$table->setPrimaryKey($pkColumns);
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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($indexData['columns'], is_numeric($indexName) ? null : $indexName);
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}
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}
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if (isset($class->table['uniqueConstraints'])) {
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foreach ($class->table['uniqueConstraints'] AS $indexName => $indexData) {
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$table->addUniqueIndex($indexData['columns'], is_numeric($indexName) ? null : $indexName);
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}
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}
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$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 ( ! $this->_platform->supportsSchemas() && ! $this->_platform->canEmulateSchemas() ) {
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$schema->visit(new RemoveNamespacedAssets());
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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 $class
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* @return array The portable column definition of the discriminator column as required by
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* the DBAL.
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*/
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private function addDiscriminatorColumnDefinition($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 => $mapping) {
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if ($class->isInheritanceTypeSingleTable() && isset($mapping['inherited'])) {
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continue;
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}
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$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'] = $mapping['columnDefinition'];
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}
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if (isset($mapping['options'])) {
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$options['customSchemaOptions'] = $mapping['options'];
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}
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if ($class->isIdGeneratorIdentity() && $class->getIdentifierFieldNames() == array($mapping['fieldName'])) {
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$options['autoincrement'] = true;
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}
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if ($class->isInheritanceTypeJoined() && $class->name != $class->rootEntityName) {
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$options['autoincrement'] = false;
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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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* Get the class metadata that is responsible for the definition of the referenced column name.
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*
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* Previously this was a simple task, but with DDC-117 this problem is actually recursive. If its
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* not a simple field, go through all identifier field names that are associations recursivly and
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* find that referenced column name.
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*
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* TODO: Is there any way to make this code more pleasing?
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*
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* @param ClassMetadata $class
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* @param string $referencedColumnName
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* @return array(ClassMetadata, referencedFieldName)
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*/
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private function getDefiningClass($class, $referencedColumnName)
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{
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$referencedFieldName = $class->getFieldName($referencedColumnName);
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if ($class->hasField($referencedFieldName)) {
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return array($class, $referencedFieldName);
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} else if (in_array($referencedColumnName, $class->getIdentifierColumnNames())) {
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// it seems to be an entity as foreign key
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foreach ($class->getIdentifierFieldNames() AS $fieldName) {
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if ($class->hasAssociation($fieldName) && $class->getSingleAssociationJoinColumnName($fieldName) == $referencedColumnName) {
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return $this->getDefiningClass(
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$this->_em->getClassMetadata($class->associationMappings[$fieldName]['targetEntity']),
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$class->getSingleAssociationReferencedJoinColumnName($fieldName)
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);
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}
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}
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}
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return null;
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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 array $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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$foreignTableName = $class->getQuotedTableName($this->_platform);
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foreach ($joinColumns as $joinColumn) {
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$columnName = $joinColumn['name'];
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list($definingClass, $referencedFieldName) = $this->getDefiningClass($class, $joinColumn['referencedColumnName']);
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if (!$definingClass) {
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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;
|
|
$localColumns[] = $columnName;
|
|
$foreignColumns[] = $joinColumn['referencedColumnName'];
|
|
|
|
if ( ! $theJoinTable->hasColumn($joinColumn['name'])) {
|
|
// Only add the column to the table if it does not exist already.
|
|
// It might exist already if the foreign key is mapped into a regular
|
|
// property as well.
|
|
|
|
$fieldMapping = $definingClass->getFieldMapping($referencedFieldName);
|
|
|
|
$columnDef = null;
|
|
if (isset($joinColumn['columnDefinition'])) {
|
|
$columnDef = $joinColumn['columnDefinition'];
|
|
} else if (isset($fieldMapping['columnDefinition'])) {
|
|
$columnDef = $fieldMapping['columnDefinition'];
|
|
}
|
|
$columnOptions = array('notnull' => false, 'columnDefinition' => $columnDef);
|
|
if (isset($joinColumn['nullable'])) {
|
|
$columnOptions['notnull'] = !$joinColumn['nullable'];
|
|
}
|
|
if ($fieldMapping['type'] == "string" && isset($fieldMapping['length'])) {
|
|
$columnOptions['length'] = $fieldMapping['length'];
|
|
} else if ($fieldMapping['type'] == "decimal") {
|
|
$columnOptions['scale'] = $fieldMapping['scale'];
|
|
$columnOptions['precision'] = $fieldMapping['precision'];
|
|
}
|
|
|
|
$theJoinTable->addColumn($columnName, $fieldMapping['type'], $columnOptions);
|
|
}
|
|
|
|
if (isset($joinColumn['unique']) && $joinColumn['unique'] == true) {
|
|
$uniqueConstraints[] = array('columns' => array($columnName));
|
|
}
|
|
|
|
if (isset($joinColumn['onDelete'])) {
|
|
$fkOptions['onDelete'] = $joinColumn['onDelete'];
|
|
}
|
|
}
|
|
|
|
$theJoinTable->addUnnamedForeignKeyConstraint(
|
|
$foreignTableName, $localColumns, $foreignColumns, $fkOptions
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Drops the database schema for the given classes.
|
|
*
|
|
* In any way when an exception is thrown it is supressed since drop was
|
|
* issued for all classes of the schema and some probably just don't exist.
|
|
*
|
|
* @param array $classes
|
|
* @return void
|
|
*/
|
|
public function dropSchema(array $classes)
|
|
{
|
|
$dropSchemaSql = $this->getDropSchemaSQL($classes);
|
|
$conn = $this->_em->getConnection();
|
|
|
|
foreach ($dropSchemaSql as $sql) {
|
|
try {
|
|
$conn->executeQuery($sql);
|
|
} catch(\Exception $e) {
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Drops all elements in the database of the current connection.
|
|
*
|
|
* @return void
|
|
*/
|
|
public function dropDatabase()
|
|
{
|
|
$dropSchemaSql = $this->getDropDatabaseSQL();
|
|
$conn = $this->_em->getConnection();
|
|
|
|
foreach ($dropSchemaSql as $sql) {
|
|
$conn->executeQuery($sql);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the SQL needed to drop the database schema for the connections database.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getDropDatabaseSQL()
|
|
{
|
|
$sm = $this->_em->getConnection()->getSchemaManager();
|
|
$schema = $sm->createSchema();
|
|
|
|
$visitor = new \Doctrine\DBAL\Schema\Visitor\DropSchemaSqlCollector($this->_platform);
|
|
/* @var $schema \Doctrine\DBAL\Schema\Schema */
|
|
$schema->visit($visitor);
|
|
return $visitor->getQueries();
|
|
}
|
|
|
|
/**
|
|
* Get SQL to drop the tables defined by the passed classes.
|
|
*
|
|
* @param array $classes
|
|
* @return array
|
|
*/
|
|
public function getDropSchemaSQL(array $classes)
|
|
{
|
|
$visitor = new \Doctrine\DBAL\Schema\Visitor\DropSchemaSqlCollector($this->_platform);
|
|
$schema = $this->getSchemaFromMetadata($classes);
|
|
|
|
$sm = $this->_em->getConnection()->getSchemaManager();
|
|
$fullSchema = $sm->createSchema();
|
|
foreach ($fullSchema->getTables() AS $table) {
|
|
if (!$schema->hasTable($table->getName())) {
|
|
foreach ($table->getForeignKeys() AS $foreignKey) {
|
|
/* @var $foreignKey \Doctrine\DBAL\Schema\ForeignKeyConstraint */
|
|
if ($schema->hasTable($foreignKey->getForeignTableName())) {
|
|
$visitor->acceptForeignKey($table, $foreignKey);
|
|
}
|
|
}
|
|
} else {
|
|
$visitor->acceptTable($table);
|
|
foreach ($table->getForeignKeys() AS $foreignKey) {
|
|
$visitor->acceptForeignKey($table, $foreignKey);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($this->_platform->supportsSequences()) {
|
|
foreach ($schema->getSequences() AS $sequence) {
|
|
$visitor->acceptSequence($sequence);
|
|
}
|
|
foreach ($schema->getTables() AS $table) {
|
|
/* @var $sequence Table */
|
|
if ($table->hasPrimaryKey()) {
|
|
$columns = $table->getPrimaryKey()->getColumns();
|
|
if (count($columns) == 1) {
|
|
$checkSequence = $table->getName() . "_" . $columns[0] . "_seq";
|
|
if ($fullSchema->hasSequence($checkSequence)) {
|
|
$visitor->acceptSequence($fullSchema->getSequence($checkSequence));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return $visitor->getQueries();
|
|
}
|
|
|
|
/**
|
|
* Updates the database schema of the given classes by comparing the ClassMetadata
|
|
* instances to the current database schema that is inspected. If $saveMode is set
|
|
* to true the command is executed in the Database, else SQL is returned.
|
|
*
|
|
* @param array $classes
|
|
* @param boolean $saveMode
|
|
* @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.
|
|
* If $saveMode is set to true the command is executed in the Database,
|
|
* else SQL is returned.
|
|
*
|
|
* @param array $classes The classes to consider.
|
|
* @param boolean $saveMode True for writing to DB, false for SQL string
|
|
* @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);
|
|
}
|
|
}
|
|
}
|