601 lines
27 KiB
PHP
601 lines
27 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.phpdoctrine.com>.
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*/
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Doctrine::autoload('Doctrine_Connection_Module');
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/**
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* Doctrine_Export
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*
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* @package Doctrine
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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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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @category Object Relational Mapping
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* @link www.phpdoctrine.com
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* @since 1.0
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* @version $Revision$
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*/
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class Doctrine_Export extends Doctrine_Connection_Module
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{
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/**
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* drop an existing database
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* (this method is implemented by the drivers)
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*
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* @param string $name name of the database that should be dropped
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* @return void
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*/
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public function dropDatabase($database)
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{
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throw new Doctrine_Export_Exception('Drop database not supported by this driver.');
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}
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/**
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* dropTable
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* drop an existing table
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*
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* @param string $table name of table that should be dropped from the database
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* @throws PDOException
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* @return void
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*/
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public function dropTable($table)
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{
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$this->conn->execute('DROP TABLE ' . $table);
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}
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/**
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* drop existing index
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*
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* @param string $table name of table that should be used in method
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* @param string $name name of the index to be dropped
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* @return void
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*/
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public function dropIndex($table, $name)
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{
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$name = $this->conn->quoteIdentifier($this->conn->getIndexName($name), true);
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return $this->conn->exec('DROP INDEX ' . $name);
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}
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/**
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* drop existing constraint
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*
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* @param string $table name of table that should be used in method
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* @param string $name name of the constraint to be dropped
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* @param string $primary hint if the constraint is primary
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* @return void
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*/
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public function dropConstraint($table, $name, $primary = false)
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{
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$table = $this->conn->quoteIdentifier($table, true);
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$name = $this->conn->quoteIdentifier($this->conn->getIndexName($name), true);
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return $this->conn->exec('ALTER TABLE ' . $table . ' DROP CONSTRAINT ' . $name);
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}
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/**
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* drop existing sequence
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* (this method is implemented by the drivers)
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*
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* @param string $seq_name name of the sequence to be dropped
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* @return void
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*/
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public function dropSequence($name)
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{
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throw new Doctrine_Export_Exception('Drop sequence not supported by this driver.');
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}
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/**
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* create a new database
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* (this method is implemented by the drivers)
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*
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* @param string $name name of the database that should be created
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* @return void
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*/
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public function createDatabase($database)
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{
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throw new Doctrine_Export_Exception('Create database not supported by this driver.');
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}
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/**
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* create a new 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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* The indexes of the array entries are the names of the fields of the table an
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* the array entry values are associative arrays like those that are meant to be
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* passed with the field definitions to get[Type]Declaration() functions.
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* array(
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* 'id' => array(
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* 'type' => 'integer',
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* 'unsigned' => 1
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* 'notnull' => 1
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* 'default' => 0
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* ),
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* 'name' => array(
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* 'type' => 'text',
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* 'length' => 12
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* ),
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* 'password' => array(
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* 'type' => 'text',
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* 'length' => 12
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* )
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* );
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* @param array $options An associative array of table options:
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*
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* @return void
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*/
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public function createTable($name, array $fields, array $options = array())
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{
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if ( ! $name) {
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throw new Doctrine_Export_Exception('no valid table name specified');
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}
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if (empty($fields)) {
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throw new Doctrine_Export_Exception('no fields specified for table '.$name);
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}
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$queryFields = $this->getFieldDeclarationList($fields);
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if (isset($options['primary']) && ! empty($options['primary'])) {
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$queryFields.= ', PRIMARY KEY(' . implode(', ', array_values($options['primary'])) . ')';
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}
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$name = $this->conn->quoteIdentifier($name, true);
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$query = 'CREATE TABLE ' . $name . ' (' . $queryFields . ')';
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return $this->conn->exec($query);
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}
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/**
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* create sequence
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* (this method is implemented by the drivers)
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*
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* @param string $seqName name of the sequence to be created
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* @param string $start start value of the sequence; default is 1
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* @return void
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*/
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public function createSequence($seqName, $start = 1)
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{
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throw new Doctrine_Export_Exception('Create sequence not supported by this driver.');
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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 $definition associative array that defines properties of the constraint to be created.
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* Currently, only one property named FIELDS is supported. This property
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* is also an associative with the names of the constraint fields as array
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* constraints. Each entry of this array is set to another type of associative
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* array that specifies properties of the constraint that are specific to
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* each field.
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*
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* Example
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* array(
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* 'fields' => array(
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* 'user_name' => array(),
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* 'last_login' => array()
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* )
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* )
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* @return void
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*/
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public function createConstraint($table, $name, $definition)
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{
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$table = $this->conn->quoteIdentifier($table, true);
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$name = $this->conn->quoteIdentifier($this->conn->getIndexName($name), true);
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$query = 'ALTER TABLE ' . $table . ' ADD CONSTRAINT ' . $name;
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if (!empty($definition['primary'])) {
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$query .= ' PRIMARY KEY';
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} elseif (!empty($definition['unique'])) {
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$query .= ' UNIQUE';
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}
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$fields = array();
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foreach (array_keys($definition['fields']) as $field) {
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$fields[] = $this->conn->quoteIdentifier($field, true);
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}
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$query .= ' ('. implode(', ', $fields) . ')';
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return $this->conn->exec($query);
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}
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/**
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* Get the stucture of a field into an array
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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 void
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*/
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public function createIndex($table, $name, array $definition)
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{
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return $this->conn->execute($this->createIndexSql($table, $name, $definition));
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}
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/**
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* Get the stucture of a field into an array
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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 $definition associative array that defines properties of the index to be created.
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* @see Doctrine_Export::createIndex()
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* @return string
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*/
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public function createIndexSql($table, $name, array $definition)
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{
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$table = $this->conn->quoteIdentifier($table);
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$name = $this->conn->quoteIdentifier($name);
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$type = '';
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if(isset($definition['type'])) {
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switch (strtolower($definition['type'])) {
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case 'unique':
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$type = strtoupper($definition['type']) . ' ';
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break;
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default:
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throw new Doctrine_Export_Exception('Unknown index type ' . $definition['type']);
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}
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}
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$query = 'CREATE ' . $type . 'INDEX ' . $name . ' ON ' . $table;
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$fields = array();
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foreach (array_keys($definition['fields']) as $field) {
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$fields[] = $this->conn->quoteIdentifier($field);
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}
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$query .= ' (' . implode(', ', $fields) . ')';
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return $query;
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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 index is to be created
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* @param string $name name of the foreign key to be created
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* @param array $definition associative array that defines properties of the foreign key to be created.
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*/
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public function createForeignKey($table, $name, array $definition)
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{
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}
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/**
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* alter an existing table
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* (this method is implemented by the drivers)
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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 $check indicates whether the function should just check if the DBMS driver
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* can perform the requested table alterations if the value is true or
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* actually perform them otherwise.
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* @return void
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*/
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public function alterTable($name, array $changes, $check)
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{
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$this->conn->execute($this->alterTableSql($name, $changes, $check));
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}
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/**
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* generates the sql for altering an existing table
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* (this method is implemented by the drivers)
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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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* @param boolean $check indicates whether the function should just check if the DBMS driver
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* can perform the requested table alterations if the value is true or
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* actually perform them otherwise.
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* @see Doctrine_Export::alterTable()
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* @return string
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*/
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public function alterTableSql($name, array $changes, $check)
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{
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throw new Doctrine_Export_Exception('Alter table not supported by this driver.');
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}
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/**
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* Get declaration of a number of field in bulk
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*
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* @param array $fields a multidimensional associative array.
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* The first dimension determines the field name, while the second
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* dimension is keyed with the name of the properties
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* of the field being declared as array indexes. Currently, the types
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* of supported field properties are as follows:
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*
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* length
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* Integer value that determines the maximum length of the text
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* field. If this argument is missing the field should be
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* declared to have the longest length allowed by the DBMS.
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*
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* default
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* Text value to be used as default for this field.
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*
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* notnull
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* Boolean flag that indicates whether this field is constrained
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* to not be set to null.
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* charset
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* Text value with the default CHARACTER SET for this field.
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* collation
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* Text value with the default COLLATION for this field.
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* unique
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* unique constraint
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*
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* @return string
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*/
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public function getFieldDeclarationList(array $fields)
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{
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foreach ($fields as $fieldName => $field) {
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$query = $this->getDeclaration($fieldName, $field);
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$queryFields[] = $query;
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}
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return implode(', ', $queryFields);
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}
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/**
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* Obtain DBMS specific SQL code portion needed to declare a generic type
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* field to be used in statements like CREATE TABLE.
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*
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* @param string $name name the field to be declared.
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* @param array $field associative array with the name of the properties
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* of the field being declared as array indexes. Currently, the types
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* of supported field properties are as follows:
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*
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* length
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* Integer value that determines the maximum length of the text
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* field. If this argument is missing the field should be
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* declared to have the longest length allowed by the DBMS.
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*
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* default
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* Text value to be used as default for this field.
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*
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* notnull
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* Boolean flag that indicates whether this field is constrained
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* to not be set to null.
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* charset
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* Text value with the default CHARACTER SET for this field.
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* collation
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* Text value with the default COLLATION for this field.
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* unique
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* unique constraint
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*
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* @return string DBMS specific SQL code portion that should be used to
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* declare the specified field.
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*/
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public function getDeclaration($name, array $field)
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{
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$default = '';
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if (isset($field['default'])) {
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if ($field['default'] === '') {
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$field['default'] = empty($field['notnull'])
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? null : $this->valid_default_values[$field['type']];
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if ($field['default'] === ''
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&& ($conn->getAttribute(Doctrine::ATTR_PORTABILITY) & Doctrine::PORTABILITY_EMPTY_TO_NULL)
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) {
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$field['default'] = ' ';
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}
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}
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$default = ' DEFAULT ' . $this->conn->quote($field['default'], $field['type']);
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} elseif (empty($field['notnull'])) {
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$default = ' DEFAULT NULL';
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}
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$charset = (isset($field['charset']) && $field['charset']) ?
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' ' . $this->getCharsetFieldDeclaration($field['charset']) : '';
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$collation = (isset($field['collation']) && $field['collation']) ?
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' ' . $this->getCollationFieldDeclaration($field['collation']) : '';
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$notnull = (isset($field['notnull']) && $field['notnull']) ? ' NOT NULL' : '';
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$unique = (isset($field['unique']) && $field['unique']) ?
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' ' . $this->getUniqueFieldDeclaration() : '';
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$method = 'get' . $field['type'] . 'Declaration';
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if (method_exists($this->conn->dataDict, $method)) {
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return $this->conn->dataDict->$method($name, $field);
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} else {
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$dec = $this->conn->dataDict->getNativeDeclaration($field);
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}
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return $this->conn->quoteIdentifier($name, true) . ' ' . $dec . $charset . $default . $notnull . $unique . $collation;
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}
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/**
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* Obtain DBMS specific SQL code portion needed to set the UNIQUE constraint
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* of a field declaration to be used in statements like CREATE TABLE.
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*
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* @return string DBMS specific SQL code portion needed to set the UNIQUE constraint
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* of a field declaration.
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*/
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public function getUniqueFieldDeclaration()
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{
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return 'UNIQUE';
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}
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/**
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* Obtain DBMS specific SQL code portion needed to set the CHARACTER SET
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* of a field declaration to be used in statements like CREATE TABLE.
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*
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|
* @param string $charset name of the charset
|
|
* @return string DBMS specific SQL code portion needed to set the CHARACTER SET
|
|
* of a field declaration.
|
|
*/
|
|
public function getCharsetFieldDeclaration($charset)
|
|
{
|
|
return '';
|
|
}
|
|
/**
|
|
* Obtain DBMS specific SQL code portion needed to set the COLLATION
|
|
* of a field declaration to be used in statements like CREATE TABLE.
|
|
*
|
|
* @param string $collation name of the collation
|
|
* @return string DBMS specific SQL code portion needed to set the COLLATION
|
|
* of a field declaration.
|
|
*/
|
|
public function getCollationFieldDeclaration($collation)
|
|
{
|
|
return '';
|
|
}
|
|
/**
|
|
* export
|
|
* method for exporting Doctrine_Record classes to a schema
|
|
*
|
|
* @return void
|
|
*/
|
|
public static function exportAll()
|
|
{
|
|
$parent = new ReflectionClass('Doctrine_Record');
|
|
$conn = Doctrine_Manager::getInstance()->getCurrentConnection();
|
|
$old = $conn->getAttribute(Doctrine::ATTR_CREATE_TABLES);
|
|
|
|
$conn->setAttribute(Doctrine::ATTR_CREATE_TABLES, true);
|
|
|
|
foreach (get_declared_classes() as $name) {
|
|
$class = new ReflectionClass($name);
|
|
|
|
if ($class->isSubclassOf($parent) && ! $class->isAbstract()) {
|
|
$obj = new $class();
|
|
}
|
|
}
|
|
$conn->setAttribute(Doctrine::ATTR_CREATE_TABLES, $old);
|
|
}
|
|
public function export($record)
|
|
{
|
|
if ( ! $record instanceof Doctrine_Record)
|
|
$record = new $record();
|
|
|
|
$table = $record->getTable();
|
|
|
|
$reporter = new Doctrine_Reporter();
|
|
|
|
if ( ! Doctrine::isValidClassname($table->getComponentName())) {
|
|
$reporter->add(E_WARNING, 'Badly named class.');
|
|
}
|
|
|
|
try {
|
|
$columns = array();
|
|
foreach ($table->getColumns() as $name => $column) {
|
|
$definition = $column[2];
|
|
$definition['type'] = $column[0];
|
|
$definition['length'] = $column[1];
|
|
|
|
if ($definition['type'] == 'enum' && isset($definition['default'])) {
|
|
$definition['default'] = $table->enumIndex($name, $definition['default']);
|
|
}
|
|
if ($definition['type'] == 'boolean' && isset($definition['default'])) {
|
|
$definition['default'] = (int) $definition['default'];
|
|
}
|
|
$columns[$name] = $definition;
|
|
}
|
|
|
|
$this->createTable($table->getTableName(), $columns);
|
|
|
|
} catch(Doctrine_Connection_Exception $e) {
|
|
$reporter->add(E_ERROR, $e->getMessage());
|
|
}
|
|
|
|
return $reporter;
|
|
}
|
|
}
|