552 lines
24 KiB
PHP
552 lines
24 KiB
PHP
<?php
|
|
/*
|
|
* $Id$
|
|
*
|
|
* 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.phpdoctrine.com>.
|
|
*/
|
|
Doctrine::autoload('Doctrine_Export');
|
|
/**
|
|
* Doctrine_Export_Sqlite
|
|
*
|
|
* @package Doctrine
|
|
* @subpackage Export
|
|
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
|
|
* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
|
|
* @author Lorenzo Alberton <l.alberton@quipo.it> (PEAR MDB2 Interbase driver)
|
|
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
|
|
* @link www.phpdoctrine.com
|
|
* @since 1.0
|
|
* @version $Revision$
|
|
*/
|
|
class Doctrine_Export_Firebird extends Doctrine_Export
|
|
{
|
|
/**
|
|
* create a new database
|
|
*
|
|
* @param string $name name of the database that should be created
|
|
* @return void
|
|
*/
|
|
public function createDatabase($name)
|
|
{
|
|
throw new Doctrine_Export_Exception(
|
|
'PHP Interbase API does not support direct queries. You have to ' .
|
|
'create the db manually by using isql command or a similar program');
|
|
}
|
|
|
|
/**
|
|
* drop an existing database
|
|
*
|
|
* @param string $name name of the database that should be dropped
|
|
* @return void
|
|
*/
|
|
public function dropDatabase($name)
|
|
{
|
|
throw new Doctrine_Export_Exception(
|
|
'PHP Interbase API does not support direct queries. You have ' .
|
|
'to drop the db manually by using isql command or a similar program');
|
|
}
|
|
|
|
/**
|
|
* add an autoincrement sequence + trigger
|
|
*
|
|
* @param string $name name of the PK field
|
|
* @param string $table name of the table
|
|
* @param string $start start value for the sequence
|
|
* @return void
|
|
*/
|
|
public function _makeAutoincrement($name, $table, $start = null)
|
|
{
|
|
if (is_null($start)) {
|
|
$this->conn->beginTransaction();
|
|
$query = 'SELECT MAX(' . $this->conn->quoteIdentifier($name, true) . ') FROM ' . $this->conn->quoteIdentifier($table, true);
|
|
$start = $this->conn->fetchOne($query, 'integer');
|
|
|
|
++$start;
|
|
$result = $this->createSequence($table, $start);
|
|
$this->conn->commit();
|
|
} else {
|
|
$result = $this->createSequence($table, $start);
|
|
}
|
|
|
|
$sequence_name = $this->conn->formatter->getSequenceName($table);
|
|
$trigger_name = $this->conn->quoteIdentifier($table . '_AUTOINCREMENT_PK', true);
|
|
|
|
$table = $this->conn->quoteIdentifier($table, true);
|
|
$name = $this->conn->quoteIdentifier($name, true);
|
|
|
|
$triggerSql = 'CREATE TRIGGER ' . $trigger_name . ' FOR ' . $table
|
|
. ' ACTIVE BEFORE INSERT POSITION 0 AS'
|
|
. ' BEGIN'
|
|
. ' IF (NEW.' . $name . ' IS NULL OR NEW.' . $name . ' = 0) THEN'
|
|
. ' NEW.' . $name . ' = GEN_ID('.$sequence_name.', 1)'
|
|
. ' END';
|
|
$result = $this->conn->exec($triggerSql);
|
|
|
|
// TODO ? $this->_silentCommit();
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* drop an existing autoincrement sequence + trigger
|
|
*
|
|
* @param string $table name of the table
|
|
* @return void
|
|
*/
|
|
public function _dropAutoincrement($table)
|
|
{
|
|
|
|
$result = $this->dropSequence($table);
|
|
|
|
//remove autoincrement trigger associated with the table
|
|
$table = $this->conn->quote(strtoupper($table));
|
|
$triggerName = $this->conn->quote(strtoupper($table) . '_AUTOINCREMENT_PK');
|
|
|
|
return $this->conn->exec("DELETE FROM RDB\$TRIGGERS WHERE UPPER(RDB\$RELATION_NAME)=" . $table . " AND UPPER(RDB\$TRIGGER_NAME)=" . $triggerName);
|
|
}
|
|
|
|
/**
|
|
* create a new table
|
|
*
|
|
* @param string $name Name of the database that should be created
|
|
* @param array $fields Associative array that contains the definition of each field of the new table
|
|
* The indexes of the array entries are the names of the fields of the table an
|
|
* the array entry values are associative arrays like those that are meant to be
|
|
* passed with the field definitions to get[Type]Declaration() functions.
|
|
*
|
|
* Example
|
|
* array(
|
|
*
|
|
* 'id' => array(
|
|
* 'type' => 'integer',
|
|
* 'unsigned' => 1,
|
|
* 'notnull' => 1,
|
|
* 'default' => 0,
|
|
* ),
|
|
* 'name' => array(
|
|
* 'type' => 'text',
|
|
* 'length' => 12,
|
|
* ),
|
|
* 'description' => array(
|
|
* 'type' => 'text',
|
|
* 'length' => 12,
|
|
* )
|
|
* );
|
|
* @param array $options An associative array of table options:
|
|
*
|
|
* @return void
|
|
*/
|
|
public function createTable($name, array $fields, array $options = array()) {
|
|
parent::createTable($name, $fields, $options);
|
|
|
|
// TODO ? $this->_silentCommit();
|
|
foreach ($fields as $field_name => $field) {
|
|
if ( ! empty($field['autoincrement'])) {
|
|
//create PK constraint
|
|
$pk_definition = array(
|
|
'fields' => array($field_name => array()),
|
|
'primary' => true,
|
|
);
|
|
//$pk_name = $name.'_PK';
|
|
$pk_name = null;
|
|
$result = $this->createConstraint($name, $pk_name, $pk_definition);
|
|
|
|
//create autoincrement sequence + trigger
|
|
return $this->_makeAutoincrement($field_name, $name, 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if planned changes are supported
|
|
*
|
|
* @param string $name name of the database that should be dropped
|
|
* @return void
|
|
*/
|
|
public function checkSupportedChanges(&$changes)
|
|
{
|
|
foreach ($changes as $change_name => $change) {
|
|
switch ($change_name) {
|
|
case 'notnull':
|
|
throw new Doctrine_DataDict_Exception('it is not supported changes to field not null constraint');
|
|
case 'default':
|
|
throw new Doctrine_DataDict_Exception('it is not supported changes to field default value');
|
|
case 'length':
|
|
/*
|
|
return throw new Doctrine_DataDict_Firebird_Exception('it is not supported changes to field default length');
|
|
*/
|
|
case 'unsigned':
|
|
case 'type':
|
|
case 'declaration':
|
|
case 'definition':
|
|
break;
|
|
default:
|
|
throw new Doctrine_DataDict_Exception('it is not supported change of type' . $change_name);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* drop an existing table
|
|
*
|
|
* @param string $name name of the table that should be dropped
|
|
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
* @access public
|
|
*/
|
|
public function dropTable($name)
|
|
{
|
|
$result = $this->_dropAutoincrement($name);
|
|
$result = parent::dropTable($name);
|
|
|
|
//$this->_silentCommit();
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* alter an existing table
|
|
*
|
|
* @param string $name name of the table that is intended to be changed.
|
|
* @param array $changes associative array that contains the details of each type
|
|
* of change that is intended to be performed. The types of
|
|
* changes that are currently supported are defined as follows:
|
|
*
|
|
* name
|
|
*
|
|
* New name for the table.
|
|
*
|
|
* add
|
|
*
|
|
* Associative array with the names of fields to be added as
|
|
* indexes of the array. The value of each entry of the array
|
|
* should be set to another associative array with the properties
|
|
* of the fields to be added. The properties of the fields should
|
|
* be the same as defined by the Metabase parser.
|
|
*
|
|
*
|
|
* remove
|
|
*
|
|
* Associative array with the names of fields to be removed as indexes
|
|
* of the array. Currently the values assigned to each entry are ignored.
|
|
* An empty array should be used for future compatibility.
|
|
*
|
|
* rename
|
|
*
|
|
* Associative array with the names of fields to be renamed as indexes
|
|
* of the array. The value of each entry of the array should be set to
|
|
* another associative array with the entry named name with the new
|
|
* field name and the entry named Declaration that is expected to contain
|
|
* the portion of the field declaration already in DBMS specific SQL code
|
|
* as it is used in the CREATE TABLE statement.
|
|
*
|
|
* change
|
|
*
|
|
* Associative array with the names of the fields to be changed as indexes
|
|
* of the array. Keep in mind that if it is intended to change either the
|
|
* name of a field and any other properties, the change array entries
|
|
* should have the new names of the fields as array indexes.
|
|
*
|
|
* The value of each entry of the array should be set to another associative
|
|
* array with the properties of the fields to that are meant to be changed as
|
|
* array entries. These entries should be assigned to the new values of the
|
|
* respective properties. The properties of the fields should be the same
|
|
* as defined by the Metabase parser.
|
|
*
|
|
* Example
|
|
* array(
|
|
* 'name' => 'userlist',
|
|
* 'add' => array(
|
|
* 'quota' => array(
|
|
* 'type' => 'integer',
|
|
* 'unsigned' => 1
|
|
* )
|
|
* ),
|
|
* 'remove' => array(
|
|
* 'file_limit' => array(),
|
|
* 'time_limit' => array()
|
|
* ),
|
|
* 'change' => array(
|
|
* 'name' => array(
|
|
* 'length' => '20',
|
|
* 'definition' => array(
|
|
* 'type' => 'text',
|
|
* 'length' => 20,
|
|
* ),
|
|
* )
|
|
* ),
|
|
* 'rename' => array(
|
|
* 'sex' => array(
|
|
* 'name' => 'gender',
|
|
* 'definition' => array(
|
|
* 'type' => 'text',
|
|
* 'length' => 1,
|
|
* 'default' => 'M',
|
|
* ),
|
|
* )
|
|
* )
|
|
* )
|
|
*
|
|
* @param boolean $check indicates whether the function should just check if the DBMS driver
|
|
* can perform the requested table alterations if the value is true or
|
|
* actually perform them otherwise.
|
|
* @return void
|
|
*/
|
|
public function alterTable($name, array $changes, $check = false)
|
|
{
|
|
foreach ($changes as $changeName => $change) {
|
|
switch ($changeName) {
|
|
case 'add':
|
|
case 'remove':
|
|
case 'rename':
|
|
break;
|
|
case 'change':
|
|
foreach ($changes['change'] as $field) {
|
|
$this->checkSupportedChanges($field);
|
|
}
|
|
break;
|
|
default:
|
|
throw new Doctrine_DataDict_Exception('change type ' . $changeName . ' not yet supported');
|
|
}
|
|
}
|
|
if ($check) {
|
|
return true;
|
|
}
|
|
$query = '';
|
|
if ( ! empty($changes['add']) && is_array($changes['add'])) {
|
|
foreach ($changes['add'] as $fieldName => $field) {
|
|
if ($query) {
|
|
$query.= ', ';
|
|
}
|
|
$query.= 'ADD ' . $this->getDeclaration($fieldName, $field);
|
|
}
|
|
}
|
|
|
|
if ( ! empty($changes['remove']) && is_array($changes['remove'])) {
|
|
foreach ($changes['remove'] as $field_name => $field) {
|
|
if ($query) {
|
|
$query.= ', ';
|
|
}
|
|
$field_name = $this->conn->quoteIdentifier($field_name, true);
|
|
$query.= 'DROP ' . $field_name;
|
|
}
|
|
}
|
|
|
|
if ( ! empty($changes['rename']) && is_array($changes['rename'])) {
|
|
foreach ($changes['rename'] as $field_name => $field) {
|
|
if ($query) {
|
|
$query.= ', ';
|
|
}
|
|
$field_name = $this->conn->quoteIdentifier($field_name, true);
|
|
$query.= 'ALTER ' . $field_name . ' TO ' . $this->conn->quoteIdentifier($field['name'], true);
|
|
}
|
|
}
|
|
|
|
if ( ! empty($changes['change']) && is_array($changes['change'])) {
|
|
// missing support to change DEFAULT and NULLability
|
|
foreach ($changes['change'] as $fieldName => $field) {
|
|
$this->checkSupportedChanges($field);
|
|
if ($query) {
|
|
$query.= ', ';
|
|
}
|
|
$this->conn->loadModule('Datatype', null, true);
|
|
$field_name = $this->conn->quoteIdentifier($fieldName, true);
|
|
$query.= 'ALTER ' . $field_name.' TYPE ' . $this->getTypeDeclaration($field['definition']);
|
|
}
|
|
}
|
|
|
|
if ( ! strlen($query)) {
|
|
return false;
|
|
}
|
|
|
|
$name = $this->conn->quoteIdentifier($name, true);
|
|
$result = $this->conn->exec('ALTER TABLE ' . $name . ' ' . $query);
|
|
$this->_silentCommit();
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Get the stucture of a field into an array
|
|
*
|
|
* @param string $table name of the table on which the index is to be created
|
|
* @param string $name name of the index to be created
|
|
* @param array $definition associative array that defines properties of the index to be created.
|
|
* Currently, only one property named FIELDS is supported. This property
|
|
* is also an associative with the names of the index fields as array
|
|
* indexes. Each entry of this array is set to another type of associative
|
|
* array that specifies properties of the index that are specific to
|
|
* each field.
|
|
*
|
|
* Currently, only the sorting property is supported. It should be used
|
|
* to define the sorting direction of the index. It may be set to either
|
|
* ascending or descending.
|
|
*
|
|
* Not all DBMS support index sorting direction configuration. The DBMS
|
|
* drivers of those that do not support it ignore this property. Use the
|
|
* function support() to determine whether the DBMS driver can manage indexes.
|
|
|
|
* Example
|
|
* array(
|
|
* 'fields' => array(
|
|
* 'user_name' => array(
|
|
* 'sorting' => 'ascending'
|
|
* ),
|
|
* 'last_login' => array()
|
|
* )
|
|
* )
|
|
* @return void
|
|
*/
|
|
public function createIndexSql($table, $name, array $definition)
|
|
{
|
|
$query = 'CREATE';
|
|
|
|
$query_sort = '';
|
|
foreach ($definition['fields'] as $field) {
|
|
if ( ! strcmp($query_sort, '') && isset($field['sorting'])) {
|
|
switch ($field['sorting']) {
|
|
case 'ascending':
|
|
$query_sort = ' ASC';
|
|
break;
|
|
case 'descending':
|
|
$query_sort = ' DESC';
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
$table = $this->conn->quoteIdentifier($table, true);
|
|
$name = $this->conn->quoteIdentifier($this->conn->formatter->getIndexName($name), true);
|
|
$query .= $query_sort. ' INDEX ' . $name . ' ON ' . $table;
|
|
$fields = array();
|
|
foreach (array_keys($definition['fields']) as $field) {
|
|
$fields[] = $this->conn->quoteIdentifier($field, true);
|
|
}
|
|
$query .= ' ('.implode(', ', $fields) . ')';
|
|
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* create a constraint on a table
|
|
*
|
|
* @param string $table name of the table on which the constraint is to be created
|
|
* @param string $name name of the constraint to be created
|
|
* @param array $definition associative array that defines properties of the constraint to be created.
|
|
* Currently, only one property named FIELDS is supported. This property
|
|
* is also an associative with the names of the constraint fields as array
|
|
* constraints. Each entry of this array is set to another type of associative
|
|
* array that specifies properties of the constraint that are specific to
|
|
* each field.
|
|
*
|
|
* Example
|
|
* array(
|
|
* 'fields' => array(
|
|
* 'user_name' => array(),
|
|
* 'last_login' => array(),
|
|
* )
|
|
* )
|
|
* @return void
|
|
*/
|
|
public function createConstraint($table, $name, $definition)
|
|
{
|
|
$table = $this->conn->quoteIdentifier($table, true);
|
|
|
|
if ( ! empty($name)) {
|
|
$name = $this->conn->quoteIdentifier($this->conn->formatter->getIndexName($name), true);
|
|
}
|
|
$query = "ALTER TABLE $table ADD";
|
|
if ( ! empty($definition['primary'])) {
|
|
if ( ! empty($name)) {
|
|
$query.= ' CONSTRAINT '.$name;
|
|
}
|
|
$query.= ' PRIMARY KEY';
|
|
} else {
|
|
$query.= ' CONSTRAINT '. $name;
|
|
if ( ! empty($definition['unique'])) {
|
|
$query.= ' UNIQUE';
|
|
}
|
|
}
|
|
$fields = array();
|
|
foreach (array_keys($definition['fields']) as $field) {
|
|
$fields[] = $this->conn->quoteIdentifier($field, true);
|
|
}
|
|
$query .= ' ('. implode(', ', $fields) . ')';
|
|
$result = $this->conn->exec($query);
|
|
// TODO ? $this->_silentCommit();
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* A method to return the required SQL string that fits between CREATE ... TABLE
|
|
* to create the table as a temporary table.
|
|
*
|
|
* @return string The string required to be placed between "CREATE" and "TABLE"
|
|
* to generate a temporary table, if possible.
|
|
*/
|
|
public function getTemporaryTableQuery()
|
|
{
|
|
return 'GLOBAL TEMPORARY';
|
|
}
|
|
|
|
/**
|
|
* create sequence
|
|
*
|
|
* @param string $seqName name of the sequence to be created
|
|
* @param string $start start value of the sequence; default is 1
|
|
* @param array $options An associative array of table options:
|
|
* array(
|
|
* 'comment' => 'Foo',
|
|
* 'charset' => 'utf8',
|
|
* 'collate' => 'utf8_unicode_ci',
|
|
* );
|
|
* @return boolean
|
|
*/
|
|
public function createSequence($seqName, $start = 1, array $options = array())
|
|
{
|
|
$sequenceName = $this->conn->formatter->getSequenceName($seqName);
|
|
|
|
$this->conn->exec('CREATE GENERATOR ' . $sequenceName);
|
|
|
|
try {
|
|
$this->conn->exec('SET GENERATOR ' . $sequenceName . ' TO ' . ($start-1));
|
|
|
|
return true;
|
|
} catch (Doctrine_Connection_Exception $e) {
|
|
try {
|
|
$this->dropSequence($seqName);
|
|
} catch(Doctrine_Connection_Exception $e) {
|
|
throw new Doctrine_Export_Exception('Could not drop inconsistent sequence table');
|
|
}
|
|
}
|
|
throw new Doctrine_Export_Exception('could not create sequence table');
|
|
}
|
|
|
|
/**
|
|
* drop existing sequence
|
|
*
|
|
* @param string $seqName name of the sequence to be dropped
|
|
* @return void
|
|
*/
|
|
public function dropSequenceSql($seqName)
|
|
{
|
|
$sequenceName = $this->conn->formatter->getSequenceName($seqName);
|
|
$sequenceName = $this->conn->quote($sequenceName);
|
|
$query = "DELETE FROM RDB\$GENERATORS WHERE UPPER(RDB\$GENERATOR_NAME)=" . $sequenceName;
|
|
|
|
return $query;
|
|
}
|
|
}
|