583 lines
21 KiB
PHP
583 lines
21 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\DBAL\Schema;
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/**
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* Base class for schema managers. Schema managers are used to inspect and/or
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* modify the database schema/structure.
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*
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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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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* @author Jonathan H. Wage <jonwage@gmail.com>
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* @version $Revision$
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* @since 2.0
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*/
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abstract class AbstractSchemaManager
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{
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/**
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* Holds instance of the Doctrine connection for this schema manager
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*
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* @var object \Doctrine\DBAL\Connection
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*/
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protected $_conn;
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/**
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* Holds instance of the database platform used for this schema manager
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*
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* @var string
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*/
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protected $_platform;
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/**
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* Constructor. Accepts the Connection instance to manage the schema for
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*
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* @param \Doctrine\DBAL\Connection $conn
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*/
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public function __construct(\Doctrine\DBAL\Connection $conn)
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{
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$this->_conn = $conn;
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$this->_platform = $this->_conn->getDatabasePlatform();
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}
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/**
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* List the available databases for this connection
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*
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* @return array $databases
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*/
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public function listDatabases()
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{
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$sql = $this->_platform->getListDatabasesSql();
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$databases = $this->_conn->fetchAll($sql);
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return $this->_getPortableDatabasesList($databases);
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}
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/**
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* List the available functions for this connection
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*
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* @return array $functions
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*/
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public function listFunctions()
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{
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$sql = $this->_platform->getListFunctionsSql();
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$functions = $this->_conn->fetchAll($sql);
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return $this->_getPortableFunctionsList($functions);
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}
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/**
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* List the available triggers for this connection
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*
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* @return array $triggers
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*/
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public function listTriggers()
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{
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$sql = $this->_platform->getListTriggersSql();
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$triggers = $this->_conn->fetchAll($sql);
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return $this->_getPortableTriggersList($triggers);
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}
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/**
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* List the available sequences for this connection
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*
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* @return array $sequences
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*/
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public function listSequences()
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{
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$sql = $this->_platform->getListSequencesSql();
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$sequences = $this->_conn->fetchAll($sql);
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return $this->_getPortableSequencesList($sequences);
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}
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/**
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* List the constraints for a given table
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*
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* @param string $table The name of the table
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* @return array $tableConstraints
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*/
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public function listTableConstraints($table)
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{
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$sql = $this->_platform->getListTableConstraintsSql($table);
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$tableContraints = $this->_conn->fetchAll($sql);
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return $this->_getPortableTableConstraintsList($tableConstraints);
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}
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/**
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* List the columns for a given table
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*
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* @param string $table The name of the table
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* @return array $tableColumns
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*/
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public function listTableColumns($table)
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{
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$sql = $this->_platform->getListTableColumnsSql($table);
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$tableColumns = $this->_conn->fetchAll($sql);
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return $this->_getPortableTableColumnList($tableColumns);
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}
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/**
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* List the indexes for a given table
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*
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* @param string $table The name of the table
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* @return array $tableIndexes
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*/
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public function listTableIndexes($table)
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{
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$sql = $this->_platform->getListTableIndexesSql($table);
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$tableIndexes = $this->_conn->fetchAll($sql);
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return $this->_getPortableTableIndexesList($tableIndexes);
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}
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/**
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* List the tables for this connection
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*
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* @return array $tables
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*/
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public function listTables()
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{
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$sql = $this->_platform->getListTablesSql();
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$tables = $this->_conn->fetchAll($sql);
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return $this->_getPortableTablesList($tables);
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}
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/**
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* List the users this connection has
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*
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* @return array $users
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*/
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public function listUsers()
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{
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$sql = $this->_platform->getListUsersSql();
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$users = $this->_conn->fetchAll($sql);
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return $this->_getPortableUsersList($users);
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}
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/**
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* List the views this connection has
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*
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* @return array $views
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*/
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public function listViews()
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{
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$sql = $this->_platform->getListViewsSql();
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$views = $this->_conn->fetchAll($sql);
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return $this->_getPortableViewsList($views);
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}
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/**
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* Drop the database for this connection
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*
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* @return boolean $result
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*/
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public function dropDatabase()
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{
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$sql = $this->_platform->getDropDatabaseSql();
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return $this->_executeSql($sql, 'execute');
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}
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/**
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* Drop the given table
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*
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* @param string $table The name of the table to drop
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* @return boolean $result
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*/
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public function dropTable($table)
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{
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$sql = $this->_platform->getDropTableSql($table);
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return $this->_executeSql($sql, 'execute');
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}
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/**
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* Drop the index from the given table
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*
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* @param string $table The name of the table
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* @param string $name The name of the index
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* @return boolean $result
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*/
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public function dropIndex($table, $name)
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{
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$sql = $this->_platform->getDropIndexSql($table, $name);
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return $this->_executeSql($sql, 'exec');
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}
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/**
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* Drop the constraint from the given table
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*
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* @param string $table The name of the table
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* @param string $name The name of the constraint
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* @param string $primary Whether or not it is a primary constraint
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* @return boolean $result
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*/
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public function dropConstraint($table, $name, $primary = false)
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{
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$sql = $this->_platform->getDropConstraintSql($table, $name, $primary);
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return $this->_executeSql($sql, 'exec');
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}
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/**
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* Drop the foreign key from the given table
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*
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* @param string $table The name of the table
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* @param string $name The name of the foreign key
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* @return boolean $result
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*/
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public function dropForeignKey($table, $name)
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{
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$sql = $this->_platform->getDropForeignKeySql($table, $name);
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return $this->_executeSql($sql, 'exec');
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}
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/**
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* Drop the given sequence
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*
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* @param string $name The name of the sequence
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* @return boolean $result
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*/
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public function dropSequence($name)
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{
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$sql = $this->_platform->getDropSequenceSql($name);
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return $this->_executeSql($sql, 'exec');
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}
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/**
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* Create the given database on the connection
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*
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* @param string $database The name of the database
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* @return boolean $result
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*/
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public function createDatabase($database)
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{
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$sql = $this->_platform->getCreateDatabaseSql($database);
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return $this->_executeSql($sql, 'exec');
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}
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/**
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* Create a new database table
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*
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* @param string $name Name of the database that should be created
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* @param array $fields Associative array that contains the definition of each field of the new table
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* @param array $options An associative array of table options:
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*
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* @return boolean $result
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*/
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public function createTable($name, array $columns, array $options = array())
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{
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// Build array of the primary keys if any of the individual field definitions
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// specify primary => true
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$count = 0;
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foreach ($columns as $columnName => $definition) {
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if (isset($definition['primary']) && $definition['primary']) {
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if ($count == 0) {
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$options['primary'] = array();
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}
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++$count;
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$options['primary'][] = $columnName;
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}
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}
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$sql = $this->_platform->getCreateTableSql($name, $columns, $options);
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return $this->_executeSql($sql, 'exec');
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}
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/**
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* Create a new sequence
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*
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* @param string $seqName name of the sequence to be created
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* @param string $start start value of the sequence; default is 1
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* @param array $options An associative array of table options:
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* array(
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* 'comment' => 'Foo',
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* 'charset' => 'utf8',
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* 'collate' => 'utf8_unicode_ci',
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* );
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* @return boolean $result
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* @throws Doctrine\DBAL\ConnectionException if something fails at database level
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*/
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public function createSequence($seqName, $start = 1, array $options = array())
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{
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$sql = $this->_platform->getCreateSequenceSql($seqName, $start, $options);
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return $this->_executeSql($sql, 'exec');
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}
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/**
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* Create a constraint on a table
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*
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* @param string $table name of the table on which the constraint is to be created
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* @param string $name name of the constraint to be created
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* @param array $definition associative array that defines properties of the constraint to be created.
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* Currently, only one property named FIELDS is supported. This property
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* is also an associative with the names of the constraint fields as array
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* constraints. Each entry of this array is set to another type of associative
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* array that specifies properties of the constraint that are specific to
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* each field.
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*
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* Example
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* array(
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* 'fields' => array(
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* 'user_name' => array(),
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* 'last_login' => array()
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* )
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* )
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* @return boolean $result
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*/
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public function createConstraint($table, $name, $definition)
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{
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$sql = $this->_platform->getCreateConstraintSql($table, $name, $definition);
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return $this->_executeSql($sql, 'exec');
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}
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/**
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* Create a new index on a table
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*
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* @param string $table name of the table on which the index is to be created
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* @param string $name name of the index to be created
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* @param array $definition associative array that defines properties of the index to be created.
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* Currently, only one property named FIELDS is supported. This property
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* is also an associative with the names of the index fields as array
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* indexes. Each entry of this array is set to another type of associative
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* array that specifies properties of the index that are specific to
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* each field.
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*
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* Currently, only the sorting property is supported. It should be used
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* to define the sorting direction of the index. It may be set to either
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* ascending or descending.
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*
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* Not all DBMS support index sorting direction configuration. The DBMS
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* drivers of those that do not support it ignore this property. Use the
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* function supports() to determine whether the DBMS driver can manage indexes.
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*
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* Example
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* array(
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* 'fields' => array(
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* 'user_name' => array(
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* 'sorting' => 'ascending'
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* ),
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* 'last_login' => array()
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* )
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* )
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* @return boolean $result
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*/
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public function createIndex($table, $name, array $definition)
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{
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$sql = $this->_platform->getCreateIndexSql($table, $name, $definition);
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return $this->_executeSql($sql, 'exec');
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}
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/**
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* createForeignKey
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*
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* @param string $table name of the table on which the foreign key is to be created
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* @param array $definition associative array that defines properties of the foreign key to be created.
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* @return boolean $result
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*/
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public function createForeignKey($table, array $definition)
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{
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$sql = $this->_platform->getCreateForeignKeySql($table, $definition);
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return $this->_executeSql($sql, 'exec');
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}
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/**
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* Alter an existing tables schema
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*
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* @param string $name name of the table that is intended to be changed.
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* @param array $changes associative array that contains the details of each type
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* of change that is intended to be performed. The types of
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* changes that are currently supported are defined as follows:
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*
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* name
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*
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* New name for the table.
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*
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* add
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*
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* Associative array with the names of fields to be added as
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* indexes of the array. The value of each entry of the array
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* should be set to another associative array with the properties
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* of the fields to be added. The properties of the fields should
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* be the same as defined by the MDB2 parser.
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*
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*
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* remove
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*
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* Associative array with the names of fields to be removed as indexes
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* of the array. Currently the values assigned to each entry are ignored.
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* An empty array should be used for future compatibility.
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*
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* rename
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*
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* Associative array with the names of fields to be renamed as indexes
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* of the array. The value of each entry of the array should be set to
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* another associative array with the entry named name with the new
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* field name and the entry named Declaration that is expected to contain
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* the portion of the field declaration already in DBMS specific SQL code
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* as it is used in the CREATE TABLE statement.
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*
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* change
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*
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* Associative array with the names of the fields to be changed as indexes
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* of the array. Keep in mind that if it is intended to change either the
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* name of a field and any other properties, the change array entries
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* should have the new names of the fields as array indexes.
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*
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* The value of each entry of the array should be set to another associative
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* array with the properties of the fields to that are meant to be changed as
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* array entries. These entries should be assigned to the new values of the
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* respective properties. The properties of the fields should be the same
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* as defined by the MDB2 parser.
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*
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* Example
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* array(
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* 'name' => 'userlist',
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* 'add' => array(
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* 'quota' => array(
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* 'type' => 'integer',
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* 'unsigned' => 1
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* )
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* ),
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* 'remove' => array(
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* 'file_limit' => array(),
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* 'time_limit' => array()
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* ),
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* 'change' => array(
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* 'name' => array(
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* 'length' => '20',
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* 'definition' => array(
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* 'type' => 'text',
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* 'length' => 20,
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* ),
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* )
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* ),
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* 'rename' => array(
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* 'sex' => array(
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* 'name' => 'gender',
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* 'definition' => array(
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* 'type' => 'text',
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* 'length' => 1,
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* 'default' => 'M',
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* ),
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* )
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* )
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* )
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*
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* @param boolean $check indicates whether the function should just check if the DBMS driver
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* can perform the requested table alterations if the value is true or
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* actually perform them otherwise.
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* @return boolean $result
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*/
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public function alterTable($name, array $changes, $check = false)
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{
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$sql = $this->_platform->getAlterTableSql($name, $changes, $check);
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return $this->_executeSql($sql, 'exec');
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}
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protected function _getPortableDatabasesList($databases)
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{
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return $databases;
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}
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|
|
protected function _getPortableFunctionsList($functions)
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|
{
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return $functions;
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}
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|
|
|
protected function _getPortableTriggersList($triggers)
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{
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return $triggers;
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}
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|
|
protected function _getPortableSequencesList($sequences)
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{
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return $sequences;
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}
|
|
|
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protected function _getPortableTableConstraintsList($tableConstraints)
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|
{
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return $tableConstraints;
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}
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|
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protected function _getPortableTableColumnList($tableColumns)
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{
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return $tableColumns;
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}
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protected function _getPortableTableIndexesList($tableIndexes)
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|
{
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return $tableIndexes;
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}
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|
|
protected function _getPortableTablesList($tables)
|
|
{
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return $tables;
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}
|
|
|
|
protected function _getPortableUsersList($users)
|
|
{
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|
return $users;
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}
|
|
|
|
protected function _getPortableViewsList($views)
|
|
{
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return $views;
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}
|
|
|
|
protected function _executeSql($sql, $method = 'exec')
|
|
{
|
|
$result = true;
|
|
foreach ((array) $sql as $query) {
|
|
$result = $this->_conn->$method($query);
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|
}
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return $result;
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}
|
|
} |