241 lines
11 KiB
PHP
241 lines
11 KiB
PHP
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<?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_Export');
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/**
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* Doctrine_Export_Oracle
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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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* @author Frank M. Kromann <frank@kromann.info> (PEAR MDB2 Mssql driver)
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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_Mssql extends Doctrine_Export {
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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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$name = $db->quoteIdentifier($name, true);
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$query = "CREATE DATABASE $name";
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if ($db->options['database_device']) {
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$query.= ' ON '.$db->options['database_device'];
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$query.= $db->options['database_size'] ? '=' .
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$db->options['database_size'] : '';
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}
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return $db->standaloneQuery($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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$name = $db->quoteIdentifier($name, true);
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return $db->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, $changes, $check) {
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foreach ($changes as $change_name => $change) {
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switch ($change_name) {
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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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return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
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'alterTable: change type "'.$change_name.'" not yet supported');
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}
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}
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if ($check) {
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return MDB2_OK;
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}
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$query = '';
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if (!empty($changes['add']) && is_array($changes['add'])) {
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foreach ($changes['add'] as $field_name => $field) {
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if ($query) {
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$query.= ', ';
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}
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$query.= 'ADD ' . $db->getDeclaration($field['type'], $field_name, $field);
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}
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}
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if (!empty($changes['remove']) && is_array($changes['remove'])) {
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foreach ($changes['remove'] as $field_name => $field) {
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if ($query) {
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$query.= ', ';
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}
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$field_name = $db->quoteIdentifier($field_name, true);
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$query.= 'DROP COLUMN ' . $field_name;
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}
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}
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if (!$query) {
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return MDB2_OK;
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}
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$name = $db->quoteIdentifier($name, true);
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return $db->exec("ALTER TABLE $name $query");
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}
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/**
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* create sequence
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*
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* @param string $seq_name name of the sequence to be created
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* @param string $start start value of the sequence; default is 1
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* @return void
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*/
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public function createSequence($seq_name, $start = 1) {
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$sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
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$seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);
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$query = "CREATE TABLE $sequence_name ($seqcol_name " .
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"INT PRIMARY KEY CLUSTERED IDENTITY($start,1) NOT NULL)";
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$res = $db->exec($query);
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if ($start == 1) {
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return true;
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}
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$query = 'SET IDENTITY_INSERT $sequence_name ON ' .
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'INSERT INTO $sequence_name (' . $seqcol_name . ') VALUES ( ' . $start . ')';
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$res = $db->exec($query);
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$result = $db->exec("DROP TABLE $sequence_name");
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if (PEAR::isError($result)) {
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return $db->raiseError($result, null, null,
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'createSequence: could not drop inconsistent sequence table');
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}
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return $db->raiseError($res, null, null,
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'createSequence: could not create sequence table');
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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 $seqName name of the sequence to be dropped
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* @return void
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*/
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public function dropSequence($seqName) {
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$sequenceName = $db->quoteIdentifier($db->getSequenceName($seqName), true);
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return $db->exec('DROP TABLE ' . $sequenceName);
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}
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}
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