190 lines
8.1 KiB
PHP
190 lines
8.1 KiB
PHP
<?php
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/*
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* $Id$
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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\EntityManager;
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/**
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* The SchemaTool is a tool to create and/or drop database schemas based on
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* <tt>ClassMetadata</tt> class descriptors.
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*
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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* @author Roman Borschel <roman@code-factory.org>
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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: 4805 $
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*/
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class SchemaTool
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{
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/** The EntityManager */
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private $_em;
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/** The DatabasePlatform */
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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->execute($sql);
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}
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}
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/**
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* Gets an array of DDL statements for the specified array of ClassMetadata instances.
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*
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* @param array $classes
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* @return array $sql
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*/
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public function getCreateSchemaSql(array $classes)
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{
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$sql = array();
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$foreignKeyConstraints = array();
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// First we create the tables
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foreach ($classes as $class) {
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$columns = array(); // table columns
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$options = array(); // table options
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foreach ($class->getFieldMappings() as $fieldName => $mapping) {
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$column = array();
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$column['name'] = $mapping['columnName'];
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$column['type'] = $mapping['type'];
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$column['length'] = $mapping['length'];
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$column['notnull'] = ! $mapping['nullable'];
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if ($class->isIdentifier($fieldName)) {
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$column['primary'] = true;
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$options['primary'][] = $mapping['columnName'];
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if ($class->isIdGeneratorIdentity()) {
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$column['autoincrement'] = true;
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}
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}
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$columns[$mapping['columnName']] = $column;
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}
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foreach ($class->getAssociationMappings() as $mapping) {
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$foreignClass = $this->_em->getClassMetadata($mapping->getTargetEntityName());
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if ($mapping->isOneToOne() && $mapping->isOwningSide()) {
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$constraint = array();
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$constraint['tableName'] = $class->getTableName();
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$constraint['foreignTable'] = $foreignClass->getTableName();
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$constraint['local'] = array();
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$constraint['foreign'] = array();
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foreach ($mapping->getJoinColumns() as $joinColumn) {
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$column = array();
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$column['name'] = $joinColumn['name'];
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$column['type'] = $foreignClass->getTypeOfColumn($joinColumn['referencedColumnName']);
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$columns[$joinColumn['name']] = $column;
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$constraint['local'][] = $joinColumn['name'];
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$constraint['foreign'][] = $joinColumn['referencedColumnName'];
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}
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$foreignKeyConstraints[] = $constraint;
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} else if ($mapping->isOneToMany() && $mapping->isOwningSide()) {
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//... create join table, one-many through join table supported later
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throw DoctrineException::updateMe("Not yet implemented.");
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} else if ($mapping->isManyToMany() && $mapping->isOwningSide()) {
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// create join table
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$joinTableColumns = array();
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$joinTableOptions = array();
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$joinTable = $mapping->getJoinTable();
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$constraint1 = array();
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$constraint1['tableName'] = $joinTable['name'];
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$constraint1['foreignTable'] = $class->getTableName();
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$constraint1['local'] = array();
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$constraint1['foreign'] = array();
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foreach ($joinTable['joinColumns'] as $joinColumn) {
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$column = array();
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$column['primary'] = true;
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$joinTableOptions['primary'][] = $joinColumn['name'];
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$column['name'] = $joinColumn['name'];
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$column['type'] = $class->getTypeOfColumn($joinColumn['referencedColumnName']);
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$joinTableColumns[$joinColumn['name']] = $column;
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$constraint1['local'][] = $joinColumn['name'];
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$constraint1['foreign'][] = $joinColumn['referencedColumnName'];
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}
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$foreignKeyConstraints[] = $constraint1;
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$constraint2 = array();
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$constraint2['tableName'] = $joinTable['name'];
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$constraint2['foreignTable'] = $foreignClass->getTableName();
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$constraint2['local'] = array();
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$constraint2['foreign'] = array();
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foreach ($joinTable['inverseJoinColumns'] as $inverseJoinColumn) {
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$column = array();
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$column['primary'] = true;
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$joinTableOptions['primary'][] = $inverseJoinColumn['name'];
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$column['name'] = $inverseJoinColumn['name'];
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$column['type'] = $this->_em->getClassMetadata($mapping->getTargetEntityName())
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->getTypeOfColumn($inverseJoinColumn['referencedColumnName']);
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$joinTableColumns[$inverseJoinColumn['name']] = $column;
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$constraint2['local'][] = $inverseJoinColumn['name'];
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$constraint2['foreign'][] = $inverseJoinColumn['referencedColumnName'];
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}
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$foreignKeyConstraints[] = $constraint2;
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$sql = array_merge($sql, $this->_platform->getCreateTableSql(
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$joinTable['name'], $joinTableColumns, $joinTableOptions));
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}
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}
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$sql = array_merge($sql, $this->_platform->getCreateTableSql($class->getTableName(), $columns, $options));
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}
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// Now create the foreign key constraints
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if ($this->_platform->supportsForeignKeyConstraints()) {
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foreach ($foreignKeyConstraints as $fkConstraint) {
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$sql = array_merge($sql, (array)$this->_platform->getCreateForeignKeySql($fkConstraint['tableName'], $fkConstraint));
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}
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}
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return $sql;
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}
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public function dropSchema(array $classes)
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{
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//TODO
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}
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public function getDropSchemaSql(array $classes)
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{
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//TODO
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}
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} |