<?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_DataDict');
/**
* @package Doctrine
* @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 $Revision$
* @category Object Relational Mapping
* @link www.phpdoctrine.com
* @since 1.0
*/
class Doctrine_DataDict_Sqlite extends Doctrine_Connection_Module {
/**
* Obtain DBMS specific SQL code portion needed to declare an text type
* field to be used in statements like CREATE TABLE.
*
* @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:
*
* length
* Integer value that determines the maximum length of the text
* field. If this argument is missing the field should be
* declared to have the longest length allowed by the DBMS.
*
* default
* Text 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.
* @author Lukas Smith (PEAR MDB2 library)
* @return string DBMS specific SQL code portion that should be used to
* declare the specified field.
*/
public function getNativeDeclaration(array $field) {
switch ($field['type']) {
case 'text':
$length = !empty($field['length'])
? $field['length'] : false;
$fixed = !empty($field['fixed']) ? $field['fixed'] : false;
return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')')
: ($length ? 'VARCHAR('.$length.')' : 'TEXT');
case 'clob':
if (!empty($field['length'])) {
$length = $field['length'];
if ($length <= 255) {
return 'TINYTEXT';
} elseif ($length <= 65535) {
return 'TEXT';
} elseif ($length <= 16777215) {
return 'MEDIUMTEXT';
}
}
return 'LONGTEXT';
case 'blob':
if (!empty($field['length'])) {
$length = $field['length'];
if ($length <= 255) {
return 'TINYBLOB';
} elseif ($length <= 65535) {
return 'BLOB';
} elseif ($length <= 16777215) {
return 'MEDIUMBLOB';
}
}
return 'LONGBLOB';
case 'integer':
if (!empty($field['length'])) {
$length = $field['length'];
if ($length <= 2) {
return 'SMALLINT';
} elseif ($length == 3 || $length == 4) {
return 'INTEGER';
} elseif ($length > 4) {
return 'BIGINT';
}
}
return 'INTEGER';
case 'boolean':
return 'BOOLEAN';
case 'date':
return 'DATE';
case 'time':
return 'TIME';
case 'timestamp':
return 'DATETIME';
case 'float':
return 'DOUBLE'.($db->options['fixed_float'] ? '('.
($db->options['fixed_float']+2).','.$db->options['fixed_float'].')' : '');
case 'decimal':
$length = !empty($field['length']) ? $field['length'] : 18;
return 'DECIMAL('.$length.','.$db->options['decimal_places'].')';
}
return '';
}
/**
* Maps a native array description of a field to Doctrine datatype and length
*
* @param array $field native field description
* @return array containing the various possible types, length, sign, fixed
*/
public function getPortableDeclaration(array $field) {
$dbType = strtolower($field['type']);
$length = ( ! empty($field['length'])) ? $field['length'] : null;
$unsigned = ( ! empty($field['unsigned'])) ? $field['unsigned'] : null;
$fixed = null;
$type = array();
switch ($dbType) {
case 'boolean':
$type[] = 'boolean';
break;
case 'tinyint':
$type[] = 'integer';
$type[] = 'boolean';
if (preg_match('/^(is|has)/', $field['name'])) {
$type = array_reverse($type);
}
$unsigned = preg_match('/ unsigned/i', $field['type']);
$length = 1;
break;
case 'smallint':
$type[] = 'integer';
$unsigned = preg_match('/ unsigned/i', $field['type']);
$length = 2;
break;
case 'mediumint':
$type[] = 'integer';
$unsigned = preg_match('/ unsigned/i', $field['type']);
$length = 3;
break;
case 'int':
case 'integer':
case 'serial':
$type[] = 'integer';
$unsigned = preg_match('/ unsigned/i', $field['type']);
$length = 4;
break;
case 'bigint':
case 'bigserial':
$type[] = 'integer';
$unsigned = preg_match('/ unsigned/i', $field['type']);
$length = 8;
break;
case 'clob':
case 'tinytext':
case 'mediumtext':
case 'longtext':
case 'text':
case 'varchar':
case 'varchar2':
$fixed = false;
case 'char':
$type[] = 'text';
if ($length == '1') {
$type[] = 'boolean';
if (preg_match('/^(is|has)/', $field['name'])) {
$type = array_reverse($type);
}
} elseif (strstr($dbType, 'text')) {
$type[] = 'clob';
}
if ($fixed !== false) {
$fixed = true;
}
break;
case 'date':
$type[] = 'date';
$length = null;
break;
case 'datetime':
case 'timestamp':
$type[] = 'timestamp';
$length = null;
break;
case 'time':
$type[] = 'time';
$length = null;
break;
case 'float':
case 'double':
case 'real':
$type[] = 'float';
$length = null;
break;
case 'decimal':
case 'numeric':
$type[] = 'decimal';
$length = null;
break;
case 'tinyblob':
case 'mediumblob':
case 'longblob':
case 'blob':
$type[] = 'blob';
$length = null;
break;
case 'year':
$type[] = 'integer';
$type[] = 'date';
$length = null;
break;
default:
throw new Doctrine_DataDict_Sqlite_Exception('unknown database attribute type: '.$dbType);
}
return array($type, $length, $unsigned, $fixed);
}
/**
* lists all databases
*
* @return array
*/
public function listDatabases() {
}
/**
* lists all availible database functions
*
* @return array
*/
public function listFunctions() {
}
/**
* lists all database triggers
*
* @param string|null $database
* @return array
*/
public function listTriggers($database = null) {
}
/**
* lists all database sequences
*
* @param string|null $database
* @return array
*/
public function listSequences($database = null) {
}
/**
* lists table constraints
*
* @param string $table database table name
* @return array
*/
public function listTableConstraints($table) {
}
/**
* lists table constraints
*
* @param string $table database table name
* @return array
*/
public function listTableColumns($table) {
$sql = 'PRAGMA table_info(' . $table . ')';
$result = $this->dbh->query($sql)->fetchAll(PDO::FETCH_ASSOC);
$description = array();
$columns = array();
foreach($result as $key => $val) {
$description = array(
'name' => $val['name'],
'type' => $val['type'],
'notnull' => (bool) $val['notnull'],
'default' => $val['dflt_value'],
'primary' => (bool) $val['pk'],
);
$columns[$val['name']] = new Doctrine_Schema_Column($description);
}
return $columns;
}
/**
* lists table constraints
*
* @param string $table database table name
* @return array
*/
public function listTableIndexes($table) {
$sql = 'PRAGMA index_list(' . $table . ')';
$result = $this->dbh->query($sql)->fetchAll(PDO::FETCH_ASSOC);
$indexes = array();
foreach($result as $key => $val) {
}
}
/**
* 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";
$tables = array();
$stmt = $this->dbh->query($sql);
$data = $stmt->fetchAll(PDO::FETCH_COLUMN);
foreach($data as $table) {
$tables[] = new Doctrine_Schema_Table(array('name' => $table));
}
return $tables;
}
/**
* lists table triggers
*
* @param string $table database table name
* @return array
*/
public function listTableTriggers($table) {
}
/**
* lists table views
*
* @param string $table database table name
* @return array
*/
public function listTableViews($table) {
}
/**
* lists database users
*
* @return array
*/
public function listUsers() {
}
/**
* lists database views
*
* @param string|null $database
* @return array
*/
public function listViews($database = null) {
}
}