Subversion-Projekte lars-tiefland.php_share

<?php

/*

 *  $Id: Mssql.php 7675 2010-06-09 16:48:13Z jwage $

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 * This software consists of voluntary contributions made by many individuals

 * and is licensed under the LGPL. For more information, see

 * <http://www.doctrine-project.org>.

 */

/**

 * @package     Doctrine

 * @subpackage  Import

 * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL

 * @author      Konsta Vesterinen <kvesteri@cc.hut.fi>

 * @author      Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)

 * @author      Frank M. Kromann <frank@kromann.info> (PEAR MDB2 Mssql driver)

 * @author      David Coallier <davidc@php.net> (PEAR MDB2 Mssql driver)

 * @version     $Revision: 7675 $

 * @link        www.doctrine-project.org

 * @since       1.0

 */

class Doctrine_Import_Mssql extends Doctrine_Import

{

    /**

     * lists all database sequences

     *

     * @param string|null $database

     * @return array

     */

    public function listSequences($database = null)

    {

        $query = "SELECT name FROM sysobjects WHERE xtype = 'U'";

        $tableNames = $this->conn->fetchColumn($query);

        return array_map(array($this->conn->formatter, 'fixSequenceName'), $tableNames);

    }

    /**

     * lists table relations

     *

     * Expects an array of this format to be returned with all the relationships in it where the key is

     * the name of the foreign table, and the value is an array containing the local and foreign column

     * name

     *

     * Array

     * (

     *   [groups] => Array

     *     (

     *        [local] => group_id

     *        [foreign] => id

     *     )

     * )

     *

     * @param string $table     database table name

     * @return array

     */

    public function listTableRelations($tableName)

    {

        $relations = array();

        $sql = 'SELECT o1.name as table_name, c1.name as column_name, o2.name as referenced_table_name, c2.name as referenced_column_name, s.name as constraint_name FROM sysforeignkeys fk	inner join sysobjects o1 on fk.fkeyid = o1.id inner join sysobjects o2 on fk.rkeyid = o2.id inner join syscolumns c1 on c1.id = o1.id and c1.colid = fk.fkey inner join syscolumns c2 on c2.id = o2.id and c2.colid = fk.rkey inner join sysobjects s on fk.constid = s.id AND o1.name = \'' . $tableName . '\'';

        $results = $this->conn->fetchAssoc($sql);

        foreach ($results as $result)

        {

            $result = array_change_key_case($result, CASE_LOWER);

            $relations[] = array('table'   => $result['referenced_table_name'],

                                 'local'   => $result['column_name'],

                                 'foreign' => $result['referenced_column_name']);

        }

        return $relations;

    }

    /**

     * lists table constraints

     *

     * @param string $table     database table name

     * @return array

     */

    public function listTableColumns($table)

    {

        $sql = 'EXEC sp_primary_keys_rowset @table_name = ' . $this->conn->quoteIdentifier($table, true);

        $result = $this->conn->fetchAssoc($sql);

        $primary = array();

        foreach ($result as $key => $val) {

            $primary[] = $val['COLUMN_NAME'];

        }

        $sql     = 'EXEC sp_columns @table_name = ' . $this->conn->quoteIdentifier($table, true);

        $result  = $this->conn->fetchAssoc($sql);

        $columns = array();

        foreach ($result as $key => $val) {

            $val = array_change_key_case($val, CASE_LOWER);

            if (strstr($val['type_name'], ' ')) {

                list($type, $identity) = explode(' ', $val['type_name']);

            } else {

                $type = $val['type_name'];

                $identity = '';

            }

            if ($type == 'varchar') {

                $type .= '(' . $val['length'] . ')';

            }

            $val['type'] = $type;

            $val['identity'] = $identity;

            $decl = $this->conn->dataDict->getPortableDeclaration($val);

            $isIdentity = (bool) (strtoupper(trim($identity)) == 'IDENTITY');

            $isNullable = (bool) (strtoupper(trim($val['is_nullable'])) == 'NO');

            $isPrimary = in_array($val['column_name'], $primary);

            $description  = array(

                'name'          => $val['column_name'],

                'ntype'         => $type,

                'type'          => $decl['type'][0],

                'alltypes'      => $decl['type'],

                'length'        => $decl['length'],

                'fixed'         => (bool) $decl['fixed'],

                'unsigned'      => (bool) $decl['unsigned'],

                'notnull'       => $isIdentity ? true : $isNullable,

                'default'       => $val['column_def'],

                'primary'       => $isPrimary,

                'autoincrement' => $isIdentity,

            );

            $columns[$val['column_name']] = $description;

        }

        return $columns;

    }

    /**

     * lists table constraints

     *

     * @param string $table     database table name

     * @return array

     */

    public function listTableIndexes($table)

    {

    }

    /**

     * lists tables

     *

     * @param string|null $database

     * @return array

     */

    public function listTables($database = null)

    {

        $sql = "SELECT name FROM sysobjects WHERE type = 'U' AND name <> 'dtproperties' AND name <> 'sysdiagrams' ORDER BY name";

        return $this->conn->fetchColumn($sql);

    }

    /**

     * lists all triggers

     *

     * @return array

     */

    public function listTriggers($database = null)

    {

        $query = "SELECT name FROM sysobjects WHERE xtype = 'TR'";

        $result = $this->conn->fetchColumn($query);

        return $result;

    }

    /**

     * lists table triggers

     *

     * @param string $table     database table name

     * @return array

     */

    public function listTableTriggers($table)

    {

        $table = $this->conn->quote($table, 'text');

        $query = "SELECT name FROM sysobjects WHERE xtype = 'TR' AND object_name(parent_obj) = " . $this->conn->quoteIdentifier($table, true);

        $result = $this->conn->fetchColumn($query);

        return $result;

    }

    /**

     * lists table views

     *

     * @param string $table     database table name

     * @return array

     */

    public function listTableViews($table)

    {

        $keyName = 'INDEX_NAME';

        $pkName = 'PK_NAME';

        if ($this->conn->getAttribute(Doctrine_Core::ATTR_FIELD_CASE) && ($this->conn->getAttribute(Doctrine_Core::ATTR_PORTABILITY) & Doctrine_Core::PORTABILITY_FIX_CASE)) {

            if ($this->conn->getAttribute(Doctrine_Core::ATTR_FIELD_CASE) == CASE_LOWER) {

                $keyName = strtolower($keyName);

                $pkName  = strtolower($pkName);

            } else {

                $keyName = strtoupper($keyName);

                $pkName  = strtoupper($pkName);

            }

        }

        $table = $this->conn->quote($table, 'text');

        $query = 'EXEC sp_statistics @table_name = ' . $this->conn->quoteIdentifier($table, true);

        $indexes = $this->conn->fetchColumn($query, $keyName);

        $query = 'EXEC sp_pkeys @table_name = ' . $this->conn->quoteIdentifier($table, true);

        $pkAll = $this->conn->fetchColumn($query, $pkName);

        $result = array();

        foreach ($indexes as $index) {

            if ( ! in_array($index, $pkAll) && $index != null) {

                $result[] = $this->conn->formatter->fixIndexName($index);

            }

        }

        return $result;

    }

    /**

     * lists database views

     *

     * @param string|null $database

     * @return array

     */

    public function listViews($database = null)

    {

        $query = "SELECT name FROM sysobjects WHERE xtype = 'V'";

        return $this->conn->fetchColumn($query);

    }

}