590 lines
21 KiB
PHP
590 lines
21 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.doctrine-project.org>.
|
|
*/
|
|
|
|
namespace Doctrine\DBAL\Schema;
|
|
|
|
/**
|
|
* xxx
|
|
*
|
|
* @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)
|
|
* @version $Revision$
|
|
* @since 2.0
|
|
*/
|
|
class SqliteSchemaManager extends AbstractSchemaManager
|
|
{
|
|
/**
|
|
* lists all databases
|
|
*
|
|
* @return array
|
|
*/
|
|
public function listDatabases()
|
|
{
|
|
|
|
}
|
|
|
|
/**
|
|
* lists all available database functions
|
|
*
|
|
* @return array
|
|
*/
|
|
public function listFunctions()
|
|
{
|
|
|
|
}
|
|
|
|
/**
|
|
* lists all database triggers
|
|
*
|
|
* @param string|null $database
|
|
* @return array
|
|
*/
|
|
public function listTriggers($database = null)
|
|
{
|
|
return $this->listTableTriggers(null);
|
|
}
|
|
|
|
/**
|
|
* lists all database sequences
|
|
*
|
|
* @param string|null $database
|
|
* @return array
|
|
*/
|
|
public function listSequences($database = null)
|
|
{
|
|
$query = "SELECT name FROM sqlite_master WHERE type='table' AND sql NOT NULL ORDER BY name";
|
|
$tableNames = $this->_conn->fetchColumn($query);
|
|
|
|
$result = array();
|
|
foreach ($tableNames as $tableName) {
|
|
if ($sqn = $this->_conn->fixSequenceName($tableName, true)) {
|
|
$result[] = $sqn;
|
|
}
|
|
}
|
|
if ($this->_conn->getAttribute(Doctrine::ATTR_PORTABILITY) & Doctrine::PORTABILITY_FIX_CASE) {
|
|
$result = array_map(($this->_conn->getAttribute(Doctrine::ATTR_FIELD_CASE) == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* lists table constraints
|
|
*
|
|
* @param string $table database table name
|
|
* @return array
|
|
*/
|
|
public function listTableConstraints($table)
|
|
{
|
|
$table = $this->_conn->quote($table, 'text');
|
|
|
|
$query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";
|
|
|
|
if ($this->_conn->getAttribute(Doctrine::ATTR_PORTABILITY) & Doctrine::PORTABILITY_FIX_CASE) {
|
|
$query .= 'LOWER(tbl_name) = ' . strtolower($table);
|
|
} else {
|
|
$query .= 'tbl_name = ' . $table;
|
|
}
|
|
$query .= ' AND sql NOT NULL ORDER BY name';
|
|
$indexes = $this->_conn->fetchColumn($query);
|
|
|
|
$result = array();
|
|
foreach ($indexes as $sql) {
|
|
if (preg_match("/^create unique index ([^ ]+) on /i", $sql, $tmp)) {
|
|
$index = $this->_conn->formatter->fixIndexName($tmp[1]);
|
|
if ( ! empty($index)) {
|
|
$result[$index] = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($this->_conn->getAttribute(Doctrine::ATTR_PORTABILITY) & Doctrine::PORTABILITY_FIX_CASE) {
|
|
$result = array_change_key_case($result, $this->_conn->getAttribute(Doctrine::ATTR_FIELD_CASE));
|
|
}
|
|
return array_keys($result);
|
|
}
|
|
|
|
/**
|
|
* lists table constraints
|
|
*
|
|
* @param string $table database table name
|
|
* @return array
|
|
*/
|
|
public function listTableColumns($table)
|
|
{
|
|
$sql = 'PRAGMA table_info(' . $table . ')';
|
|
$result = $this->_conn->fetchAll($sql);
|
|
|
|
$description = array();
|
|
$columns = array();
|
|
foreach ($result as $key => $val) {
|
|
$val = array_change_key_case($val, CASE_LOWER);
|
|
$decl = $this->_conn->dataDict->getPortableDeclaration($val);
|
|
|
|
$description = array(
|
|
'name' => $val['name'],
|
|
'ntype' => $val['type'],
|
|
'type' => $decl['type'][0],
|
|
'alltypes' => $decl['type'],
|
|
'notnull' => (bool) $val['notnull'],
|
|
'default' => $val['dflt_value'],
|
|
'primary' => (bool) $val['pk'],
|
|
'length' => null,
|
|
'scale' => null,
|
|
'precision' => null,
|
|
'unsigned' => null,
|
|
);
|
|
$columns[$val['name']] = $description;
|
|
}
|
|
return $columns;
|
|
}
|
|
|
|
/**
|
|
* lists table constraints
|
|
*
|
|
* @param string $table database table name
|
|
* @return array
|
|
*/
|
|
public function listTableIndexes($table)
|
|
{
|
|
$sql = 'PRAGMA index_list(' . $table . ')';
|
|
return $this->_conn->fetchColumn($sql);
|
|
}
|
|
/**
|
|
* lists tables
|
|
*
|
|
* @param string|null $database
|
|
* @return array
|
|
*/
|
|
public function listTables($database = null)
|
|
{
|
|
$sql = "SELECT name FROM sqlite_master WHERE type = 'table' "
|
|
. "UNION ALL SELECT name FROM sqlite_temp_master "
|
|
. "WHERE type = 'table' ORDER BY name";
|
|
|
|
return $this->_conn->fetchColumn($sql);
|
|
}
|
|
|
|
/**
|
|
* lists table triggers
|
|
*
|
|
* @param string $table database table name
|
|
* @return array
|
|
*/
|
|
public function listTableTriggers($table)
|
|
{
|
|
$query = "SELECT name FROM sqlite_master WHERE type='trigger' AND sql NOT NULL";
|
|
if (!is_null($table)) {
|
|
if ($this->_conn->getAttribute(Doctrine::ATTR_PORTABILITY) & Doctrine::PORTABILITY_FIX_CASE) {
|
|
if ($this->_conn->getAttribute(Doctrine::ATTR_FIELD_CASE) == CASE_LOWER) {
|
|
$query.= ' AND LOWER(tbl_name)='.$db->quote(strtolower($table), 'text');
|
|
} else {
|
|
$query.= ' AND UPPER(tbl_name)='.$db->quote(strtoupper($table), 'text');
|
|
}
|
|
} else {
|
|
$query.= ' AND tbl_name='.$db->quote($table, 'text');
|
|
}
|
|
}
|
|
$result = $this->_conn->fetchColumn($query);
|
|
|
|
if ($this->_conn->getAttribute(Doctrine::ATTR_PORTABILITY) & Doctrine::PORTABILITY_FIX_CASE) {
|
|
$result = array_map(($this->_conn->getAttribute(Doctrine::ATTR_FIELD_CASE) == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* lists table views
|
|
*
|
|
* @param string $table database table name
|
|
* @return array
|
|
*/
|
|
public function listTableViews($table)
|
|
{
|
|
$query = "SELECT name, sql FROM sqlite_master WHERE type='view' AND sql NOT NULL";
|
|
$views = $db->fetchAll($query);
|
|
|
|
$result = array();
|
|
foreach ($views as $row) {
|
|
if (preg_match("/^create view .* \bfrom\b\s+\b{$table}\b /i", $row['sql'])) {
|
|
if ( ! empty($row['name'])) {
|
|
$result[$row['name']] = true;
|
|
}
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* lists database users
|
|
*
|
|
* @return array
|
|
*/
|
|
public function listUsers()
|
|
{
|
|
|
|
}
|
|
|
|
/**
|
|
* lists database views
|
|
*
|
|
* @param string|null $database
|
|
* @return array
|
|
*/
|
|
public function listViews($database = null)
|
|
{
|
|
$query = "SELECT name FROM sqlite_master WHERE type='view' AND sql NOT NULL";
|
|
|
|
return $this->_conn->fetchColumn($query);
|
|
}
|
|
|
|
/**
|
|
* Drops an existing database
|
|
*
|
|
* @param string $databaseFile Path of the database that should be dropped
|
|
* @throws Doctrine_Export_Exception if the database file does not exist
|
|
* @throws Doctrine_Export_Exception if something failed during the removal of the database file
|
|
* @return void
|
|
*/
|
|
public function dropDatabase($databaseFile)
|
|
{
|
|
if ( ! @file_exists($databaseFile)) {
|
|
throw \Doctrine\Common\DoctrineException::updateMe('database does not exist');
|
|
}
|
|
|
|
$result = @unlink($databaseFile);
|
|
|
|
if ( ! $result) {
|
|
throw \Doctrine\Common\DoctrineException::updateMe('could not remove the database file');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* createDatabase
|
|
*
|
|
* Create sqlite database file
|
|
*
|
|
* @param string $databaseFile Path of the database that should be dropped
|
|
* @return void
|
|
*/
|
|
public function createDatabase($databaseFile)
|
|
{
|
|
return new PDO('sqlite:' . $databaseFile);
|
|
}
|
|
|
|
/**
|
|
* 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 $definition associative array that defines properties of the index to be created.
|
|
* Currently, only one property named FIELDS is supported. This property
|
|
* is also an associative with the names of the index fields as array
|
|
* indexes. Each entry of this array is set to another type of associative
|
|
* array that specifies properties of the index that are specific to
|
|
* each field.
|
|
*
|
|
* Currently, only the sorting property is supported. It should be used
|
|
* to define the sorting direction of the index. It may be set to either
|
|
* ascending or descending.
|
|
*
|
|
* Not all DBMS support index sorting direction configuration. The DBMS
|
|
* drivers of those that do not support it ignore this property. Use the
|
|
* function support() to determine whether the DBMS driver can manage indexes.
|
|
|
|
* Example
|
|
* array(
|
|
* 'fields' => array(
|
|
* 'user_name' => array(
|
|
* 'sorting' => 'ascending'
|
|
* ),
|
|
* 'last_login' => array()
|
|
* )
|
|
* )
|
|
* @throws PDOException
|
|
* @return void
|
|
*/
|
|
public function createIndexSql($table, $name, array $definition)
|
|
{
|
|
$name = $this->_conn->formatter->getIndexName($name);
|
|
$name = $this->_conn->quoteIdentifier($name);
|
|
$query = 'CREATE INDEX ' . $name . ' ON ' . $table;
|
|
$query .= ' (' . $this->getIndexFieldDeclarationList($definition['fields']) . ')';
|
|
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* getIndexFieldDeclarationList
|
|
* Obtain DBMS specific SQL code portion needed to set an index
|
|
* declaration to be used in statements like CREATE TABLE.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getIndexFieldDeclarationList(array $fields)
|
|
{
|
|
$declFields = array();
|
|
|
|
foreach ($fields as $fieldName => $field) {
|
|
$fieldString = $this->_conn->quoteIdentifier($fieldName);
|
|
|
|
if (is_array($field)) {
|
|
if (isset($field['sorting'])) {
|
|
$sort = strtoupper($field['sorting']);
|
|
switch ($sort) {
|
|
case 'ASC':
|
|
case 'DESC':
|
|
$fieldString .= ' ' . $sort;
|
|
break;
|
|
default:
|
|
throw \Doctrine\Common\DoctrineException::updateMe('Unknown index sorting option given.');
|
|
}
|
|
}
|
|
} else {
|
|
$fieldString = $this->_conn->quoteIdentifier($field);
|
|
}
|
|
$declFields[] = $fieldString;
|
|
}
|
|
return implode(', ', $declFields);
|
|
}
|
|
|
|
/**
|
|
* getAdvancedForeignKeyOptions
|
|
* Return the FOREIGN KEY query section dealing with non-standard options
|
|
* as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
|
|
*
|
|
* @param array $definition foreign key definition
|
|
* @return string
|
|
* @access protected
|
|
*/
|
|
public function getAdvancedForeignKeyOptions(array $definition)
|
|
{
|
|
$query = '';
|
|
if (isset($definition['match'])) {
|
|
$query .= ' MATCH ' . $definition['match'];
|
|
}
|
|
if (isset($definition['onUpdate'])) {
|
|
$query .= ' ON UPDATE ' . $definition['onUpdate'];
|
|
}
|
|
if (isset($definition['onDelete'])) {
|
|
$query .= ' ON DELETE ' . $definition['onDelete'];
|
|
}
|
|
if (isset($definition['deferrable'])) {
|
|
$query .= ' DEFERRABLE';
|
|
} else {
|
|
$query .= ' NOT DEFERRABLE';
|
|
}
|
|
if (isset($definition['feferred'])) {
|
|
$query .= ' INITIALLY DEFERRED';
|
|
} else {
|
|
$query .= ' INITIALLY IMMEDIATE';
|
|
}
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* 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 = $this->_conn->quoteIdentifier($this->_conn->getSequenceName($seqName), true);
|
|
$seqcolName = $this->_conn->quoteIdentifier($this->_conn->getAttribute(Doctrine::ATTR_SEQCOL_NAME), true);
|
|
$query = 'CREATE TABLE ' . $sequenceName . ' (' . $seqcolName . ' INTEGER PRIMARY KEY DEFAULT 0 NOT NULL)';
|
|
|
|
$this->_conn->exec($query);
|
|
|
|
if ($start == 1) {
|
|
return true;
|
|
}
|
|
|
|
try {
|
|
$this->_conn->exec('INSERT INTO ' . $sequenceName . ' (' . $seqcolName . ') VALUES (' . ($start-1) . ')');
|
|
return true;
|
|
} catch(Doctrine\DBAL\ConnectionException $e) {
|
|
// Handle error
|
|
|
|
try {
|
|
$result = $db->exec('DROP TABLE ' . $sequenceName);
|
|
} catch(Doctrine\DBAL\ConnectionException $e) {
|
|
throw \Doctrine\Common\DoctrineException::updateMe('could not drop inconsistent sequence table');
|
|
}
|
|
}
|
|
throw \Doctrine\Common\DoctrineException::updateMe('could not create sequence table');
|
|
}
|
|
|
|
/**
|
|
* drop existing sequence
|
|
*
|
|
* @param string $sequenceName name of the sequence to be dropped
|
|
* @return string
|
|
*/
|
|
public function dropSequenceSql($sequenceName)
|
|
{
|
|
$sequenceName = $this->_conn->quoteIdentifier($this->_conn->getSequenceName($sequenceName), true);
|
|
|
|
return 'DROP TABLE ' . $sequenceName;
|
|
}
|
|
|
|
public function alterTableSql($name, array $changes, $check = false)
|
|
{
|
|
if ( ! $name) {
|
|
throw \Doctrine\Common\DoctrineException::updateMe('no valid table name specified');
|
|
}
|
|
foreach ($changes as $changeName => $change) {
|
|
switch ($changeName) {
|
|
case 'add':
|
|
case 'change':
|
|
case 'rename':
|
|
case 'name':
|
|
break;
|
|
default:
|
|
throw \Doctrine\Common\DoctrineException::updateMe('change type "' . $changeName . '" not yet supported');
|
|
}
|
|
}
|
|
|
|
if ($check) {
|
|
return true;
|
|
}
|
|
|
|
$query = '';
|
|
if ( ! empty($changes['name'])) {
|
|
$change_name = $this->_conn->quoteIdentifier($changes['name']);
|
|
$query .= 'RENAME TO ' . $change_name;
|
|
}
|
|
|
|
if ( ! empty($changes['add']) && is_array($changes['add'])) {
|
|
foreach ($changes['add'] as $fieldName => $field) {
|
|
if ($query) {
|
|
$query.= ', ';
|
|
}
|
|
$query.= 'ADD ' . $this->getDeclaration($fieldName, $field);
|
|
}
|
|
}
|
|
|
|
$rename = array();
|
|
if ( ! empty($changes['rename']) && is_array($changes['rename'])) {
|
|
foreach ($changes['rename'] as $fieldName => $field) {
|
|
$rename[$field['name']] = $fieldName;
|
|
}
|
|
}
|
|
|
|
if ( ! empty($changes['change']) && is_array($changes['change'])) {
|
|
foreach ($changes['change'] as $fieldName => $field) {
|
|
if ($query) {
|
|
$query.= ', ';
|
|
}
|
|
if (isset($rename[$fieldName])) {
|
|
$oldFieldName = $rename[$fieldName];
|
|
unset($rename[$fieldName]);
|
|
} else {
|
|
$oldFieldName = $fieldName;
|
|
}
|
|
$oldFieldName = $this->_conn->quoteIdentifier($oldFieldName, true);
|
|
$query .= 'CHANGE ' . $oldFieldName . ' '
|
|
. $this->getDeclaration($fieldName, $field['definition']);
|
|
}
|
|
}
|
|
|
|
if ( ! empty($rename) && is_array($rename)) {
|
|
foreach ($rename as $renameName => $renamedField) {
|
|
if ($query) {
|
|
$query.= ', ';
|
|
}
|
|
$field = $changes['rename'][$renamedField];
|
|
$renamedField = $this->_conn->quoteIdentifier($renamedField, true);
|
|
$query .= 'CHANGE ' . $renamedField . ' '
|
|
. $this->getDeclaration($field['name'], $field['definition']);
|
|
}
|
|
}
|
|
|
|
if ( ! $query) {
|
|
return false;
|
|
}
|
|
|
|
$name = $this->_conn->quoteIdentifier($name, true);
|
|
|
|
return 'ALTER TABLE ' . $name . ' ' . $query;
|
|
}
|
|
|
|
/**
|
|
* Obtain DBMS specific SQL code portion needed to declare an integer type
|
|
* field to be used in statements like CREATE TABLE.
|
|
*
|
|
* @param string $name name the field to be declared.
|
|
* @param array $field associative array with the name of the properties
|
|
* of the field being declared as array indexes.
|
|
* Currently, the types of supported field
|
|
* properties are as follows:
|
|
*
|
|
* unsigned
|
|
* Boolean flag that indicates whether the field
|
|
* should be declared as unsigned integer if
|
|
* possible.
|
|
*
|
|
* default
|
|
* Integer value to be used as default for this
|
|
* field.
|
|
*
|
|
* notnull
|
|
* Boolean flag that indicates whether this field is
|
|
* constrained to not be set to null.
|
|
* @return string DBMS specific SQL code portion that should be used to
|
|
* declare the specified field.
|
|
* @access protected
|
|
*/
|
|
public function getIntegerDeclaration($name, array $field)
|
|
{
|
|
$default = $autoinc = '';
|
|
$type = $this->_conn->dataDict->getNativeDeclaration($field);
|
|
|
|
$autoincrement = isset($field['autoincrement']) && $field['autoincrement'];
|
|
|
|
if ($autoincrement) {
|
|
$autoinc = ' PRIMARY KEY AUTOINCREMENT';
|
|
$type = 'INTEGER';
|
|
} elseif (array_key_exists('default', $field)) {
|
|
if ($field['default'] === '') {
|
|
$field['default'] = empty($field['notnull']) ? null : 0;
|
|
}
|
|
$default = ' DEFAULT ' . $this->_conn->quote($field['default'], $field['type']);
|
|
} elseif (empty($field['notnull'])) {
|
|
$default = ' DEFAULT NULL';
|
|
}
|
|
|
|
$notnull = (isset($field['notnull']) && $field['notnull']) ? ' NOT NULL' : '';
|
|
|
|
// sqlite does not support unsigned attribute for autoinremented fields
|
|
$unsigned = (isset($field['unsigned']) && $field['unsigned'] && !$autoincrement) ? ' UNSIGNED' : '';
|
|
|
|
$name = $this->_conn->quoteIdentifier($name, true);
|
|
return $name . ' ' . $type . $unsigned . $default . $notnull . $autoinc;
|
|
}
|
|
} |