399 lines
14 KiB
PHP
399 lines
14 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.org>.
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*/
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namespace Doctrine\DBAL\Schema;
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/**
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* xxx
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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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* @version $Revision$
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* @since 2.0
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*/
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class MsSqlSchemaManager extends AbstractSchemaManager
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{
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/**
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* create a new database
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*
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* @param string $name name of the database that should be created
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* @return void
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*/
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public function createDatabase($name)
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{
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$query = "CREATE DATABASE $name";
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if ($this->conn->options['database_device']) {
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$query.= ' ON '.$this->conn->options['database_device'];
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$query.= $this->conn->options['database_size'] ? '=' .
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$this->conn->options['database_size'] : '';
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}
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return $this->conn->standaloneQuery($query, null, true);
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}
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/**
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* drop an existing database
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*
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* @param string $name name of the database that should be dropped
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* @return void
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*/
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public function dropDatabase($name)
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{
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return $this->conn->standaloneQuery('DROP DATABASE ' . $name, null, true);
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}
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/**
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* alter an existing table
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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 Metabase 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 Metabase 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, $check = false)
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{
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foreach ($changes as $changeName => $change) {
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switch ($changeName) {
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case 'add':
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break;
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case 'remove':
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break;
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case 'name':
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case 'rename':
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case 'change':
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default:
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throw SchemaException::alterTableChangeNotSupported($changeName);
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}
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}
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$query = '';
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if ( ! empty($changes['add']) && is_array($changes['add'])) {
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foreach ($changes['add'] as $fieldName => $field) {
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if ($query) {
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$query .= ', ';
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}
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$query .= 'ADD ' . $this->getDeclaration($fieldName, $field);
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}
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}
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if ( ! empty($changes['remove']) && is_array($changes['remove'])) {
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foreach ($changes['remove'] as $fieldName => $field) {
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if ($query) {
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$query .= ', ';
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}
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$query .= 'DROP COLUMN ' . $fieldName;
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}
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}
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if ( ! $query) {
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return false;
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}
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return $this->conn->exec('ALTER TABLE ' . $name . ' ' . $query);
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}
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/**
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* {@inheritdoc}
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*/
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public function createSequence($seqName, $start = 1, $allocationSize = 1)
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{
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$seqcolName = 'seq_col';
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$query = 'CREATE TABLE ' . $seqName . ' (' . $seqcolName .
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' INT PRIMARY KEY CLUSTERED IDENTITY(' . $start . ', 1) NOT NULL)';
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$res = $this->conn->exec($query);
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if ($start == 1) {
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return true;
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}
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try {
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$query = 'SET IDENTITY_INSERT ' . $sequenceName . ' ON ' .
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'INSERT INTO ' . $sequenceName . ' (' . $seqcolName . ') VALUES ( ' . $start . ')';
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$res = $this->conn->exec($query);
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} catch (Exception $e) {
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$result = $this->conn->exec('DROP TABLE ' . $sequenceName);
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}
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return true;
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}
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/**
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* This function drops an existing sequence
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*
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* @param string $seqName name of the sequence to be dropped
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* @return void
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*/
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public function dropSequenceSql($seqName)
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{
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return 'DROP TABLE ' . $seqName;
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}
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/**
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* lists all database sequences
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*
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* @param string|null $database
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* @return array
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*/
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public function listSequences($database = null)
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{
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$query = "SELECT name FROM sysobjects WHERE xtype = 'U'";
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$tableNames = $this->conn->fetchColumn($query);
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return array_map(array($this->conn->formatter, 'fixSequenceName'), $tableNames);
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}
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/**
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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableColumns($table)
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{
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$sql = 'EXEC sp_columns @table_name = ' . $table;
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$result = $this->conn->fetchAssoc($sql);
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$columns = array();
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foreach ($result as $key => $val) {
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$val = array_change_key_case($val, CASE_LOWER);
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if (strstr($val['type_name'], ' ')) {
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list($type, $identity) = explode(' ', $val['type_name']);
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} else {
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$type = $val['type_name'];
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$identity = '';
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}
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if ($type == 'varchar') {
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$type .= '(' . $val['length'] . ')';
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}
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$val['type'] = $type;
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$val['identity'] = $identity;
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$decl = $this->conn->getDatabasePlatform()->getPortableDeclaration($val);
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$description = array(
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'name' => $val['column_name'],
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'ntype' => $type,
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'type' => $decl['type'][0],
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'alltypes' => $decl['type'],
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'length' => $decl['length'],
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'fixed' => $decl['fixed'],
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'unsigned' => $decl['unsigned'],
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'notnull' => (bool) (trim($val['is_nullable']) === 'NO'),
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'default' => $val['column_def'],
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'primary' => (strtolower($identity) == 'identity'),
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);
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$columns[$val['column_name']] = $description;
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}
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return $columns;
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}
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/**
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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableIndexes($table)
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{
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}
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/**
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* lists tables
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*
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* @param string|null $database
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* @return array
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*/
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public function listTables($database = null)
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{
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$sql = "SELECT name FROM sysobjects WHERE type = 'U' AND name <> 'dtproperties' ORDER BY name";
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return $this->conn->fetchColumn($sql);
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}
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/**
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* lists all triggers
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*
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* @return array
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*/
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public function listTriggers($database = null)
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{
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$query = "SELECT name FROM sysobjects WHERE xtype = 'TR'";
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$result = $this->conn->fetchColumn($query);
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return $result;
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}
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/**
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* lists table triggers
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableTriggers($table)
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{
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$table = $this->conn->quote($table, 'text');
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$query = "SELECT name FROM sysobjects WHERE xtype = 'TR' AND object_name(parent_obj) = " . $table;
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$result = $this->conn->fetchColumn($query);
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return $result;
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}
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/**
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* lists table views
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableViews($table)
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{
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$keyName = 'INDEX_NAME';
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$pkName = 'PK_NAME';
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if ($this->conn->getAttribute(Doctrine::ATTR_PORTABILITY) & Doctrine::PORTABILITY_FIX_CASE) {
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if ($this->conn->getAttribute(Doctrine::ATTR_FIELD_CASE) == CASE_LOWER) {
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$keyName = strtolower($keyName);
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$pkName = strtolower($pkName);
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} else {
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$keyName = strtoupper($keyName);
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$pkName = strtoupper($pkName);
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}
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}
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$table = $this->conn->quote($table, 'text');
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$query = 'EXEC sp_statistics @table_name = ' . $table;
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$indexes = $this->conn->fetchColumn($query, $keyName);
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$query = 'EXEC sp_pkeys @table_name = ' . $table;
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$pkAll = $this->conn->fetchColumn($query, $pkName);
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$result = array();
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foreach ($indexes as $index) {
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if ( ! in_array($index, $pkAll) && $index != null) {
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$result[] = $this->conn->formatter->fixIndexName($index);
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}
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}
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return $result;
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}
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/**
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* lists database views
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*
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* @param string|null $database
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* @return array
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*/
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public function listViews($database = null)
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{
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$query = "SELECT name FROM sysobjects WHERE xtype = 'V'";
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return $this->conn->fetchColumn($query);
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}
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protected function _getPortableTableColumnDefinition($tableColumn)
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{
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return $column;
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}
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} |