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<?php
/*
* $Id: Sqlite.php 6731 2009-11-16 18:09:27Z jwage $
*
* 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.org>.
*/
/**
* @package Doctrine
* @subpackage DataDict
* @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: 6731 $
* @link www.phpdoctrine.org
* @since 1.0
*/
class Doctrine_DataDict_Sqlite extends Doctrine_DataDict
{
/**
* 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 $field)
{
if ( ! isset($field['type'])) {
throw new Doctrine_DataDict_Exception('Missing column type.');
}
switch ($field['type']) {
case 'enum':
$field['length'] = isset($field['length']) && $field['length'] ? $field['length']:255;
case 'text':
case 'object':
case 'array':
case 'string':
case 'char':
case 'gzip':
case 'varchar':
$length = (isset($field['length']) && $field['length']) ? $field['length'] : null;
$fixed = ((isset($field['fixed']) && $field['fixed']) || $field['type'] == 'char') ? true : false;
return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$this->conn->varchar_max_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':
case 'boolean':
case 'int':
return 'INTEGER';
case 'date':
return 'DATE';
case 'time':
return 'TIME';
case 'timestamp':
return 'DATETIME';
case 'float':
case 'double':
return 'DOUBLE';//($this->conn->options['fixed_float'] ? '('.
//($this->conn->options['fixed_float']+2).','.$this->conn->options['fixed_float'].')' : '');
case 'decimal':
$length = !empty($field['length']) ? $field['length'] : 18;
$scale = !empty($field['scale']) ? $field['scale'] : $this->conn->getAttribute(Doctrine_Core::ATTR_DECIMAL_PLACES);
return 'DECIMAL('.$length.','.$scale.')';
}
return $field['type'] . (isset($field['length']) ? '('.$field['length'].')':null);
}
/**
* 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)
{
$e = explode('(', $field['type']);
$field['type'] = $e[0];
if (isset($e[1])) {
$length = trim($e[1], ')');
$field['length'] = $length;
}
$dbType = strtolower($field['type']);
if ( ! $dbType) {
throw new Doctrine_DataDict_Exception('Missing "type" from field definition');
}
$length = (isset($field['length'])) ? $field['length'] : null;
$unsigned = (isset($field['unsigned'])) ? $field['unsigned'] : null;
$fixed = null;
$type = array();
if ( ! isset($field['name'])) {
$field['name'] = '';
}
switch ($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':
case 'nvarchar':
case 'ntext':
case 'image':
case 'nchar':
$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:
$type[] = $field['type'];
$length = isset($field['length']) ? $field['length']:null;
}
return array('type' => $type,
'length' => $length,
'unsigned' => $unsigned,
'fixed' => $fixed);
}
/**
* 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 = $this->getNativeDeclaration($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;
}
$default = ' DEFAULT ' . (is_null($field['default'])
? 'NULL'
: $this->conn->quote($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;
}
}
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