mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
synced 2024-12-26 07:27:24 +00:00
f06401c563
git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@7873 3807eeeb-6ff5-0310-8944-8be069107fe0
684 lines
No EOL
20 KiB
PHP
684 lines
No EOL
20 KiB
PHP
<?php
|
|
/* SVN FILE: $Id$ */
|
|
/**
|
|
* MS SQL layer for DBO
|
|
*
|
|
* Long description for file
|
|
*
|
|
* PHP versions 4 and 5
|
|
*
|
|
* CakePHP(tm) : Rapid Development Framework (http://www.cakephp.org)
|
|
* Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
|
|
*
|
|
* Licensed under The MIT License
|
|
* Redistributions of files must retain the above copyright notice.
|
|
*
|
|
* @filesource
|
|
* @copyright Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
|
|
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
|
|
* @package cake
|
|
* @subpackage cake.cake.libs.model.datasources.dbo
|
|
* @since CakePHP(tm) v 0.10.5.1790
|
|
* @version $Revision$
|
|
* @modifiedby $LastChangedBy$
|
|
* @lastmodified $Date$
|
|
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
|
|
*/
|
|
/**
|
|
* Short description for class.
|
|
*
|
|
* Long description for class
|
|
*
|
|
* @package cake
|
|
* @subpackage cake.cake.libs.model.datasources.dbo
|
|
*/
|
|
class DboMssql extends DboSource {
|
|
/**
|
|
* Driver description
|
|
*
|
|
* @var string
|
|
*/
|
|
var $description = "MS SQL DBO Driver";
|
|
/**
|
|
* Starting quote character for quoted identifiers
|
|
*
|
|
* @var string
|
|
*/
|
|
var $startQuote = "[";
|
|
/**
|
|
* Ending quote character for quoted identifiers
|
|
*
|
|
* @var string
|
|
*/
|
|
var $endQuote = "]";
|
|
/**
|
|
* Creates a map between field aliases and numeric indexes. Workaround for the
|
|
* SQL Server driver's 30-character column name limitation.
|
|
*
|
|
* @var array
|
|
*/
|
|
var $__fieldMappings = array();
|
|
/**
|
|
* Base configuration settings for MS SQL driver
|
|
*
|
|
* @var array
|
|
*/
|
|
var $_baseConfig = array(
|
|
'persistent' => true,
|
|
'host' => 'localhost',
|
|
'login' => 'root',
|
|
'password' => '',
|
|
'database' => 'cake',
|
|
'port' => '1433',
|
|
);
|
|
/**
|
|
* MS SQL column definition
|
|
*
|
|
* @var array
|
|
*/
|
|
var $columns = array(
|
|
'primary_key' => array('name' => 'IDENTITY (1, 1) NOT NULL'),
|
|
'string' => array('name' => 'varchar', 'limit' => '255'),
|
|
'text' => array('name' => 'text'),
|
|
'integer' => array('name' => 'int', 'formatter' => 'intval'),
|
|
'float' => array('name' => 'numeric', 'formatter' => 'floatval'),
|
|
'datetime' => array('name' => 'datetime', 'format' => 'Y-m-d H:i:s', 'formatter' => 'date'),
|
|
'timestamp' => array('name' => 'timestamp', 'format' => 'Y-m-d H:i:s', 'formatter' => 'date'),
|
|
'time' => array('name' => 'datetime', 'format' => 'H:i:s', 'formatter' => 'date'),
|
|
'date' => array('name' => 'datetime', 'format' => 'Y-m-d', 'formatter' => 'date'),
|
|
'binary' => array('name' => 'image'),
|
|
'boolean' => array('name' => 'bit')
|
|
);
|
|
/**
|
|
* Index of basic SQL commands
|
|
*
|
|
* @var array
|
|
* @access protected
|
|
*/
|
|
var $_commands = array(
|
|
'begin' => 'BEGIN TRANSACTION',
|
|
'commit' => 'COMMIT',
|
|
'rollback' => 'ROLLBACK'
|
|
);
|
|
/**
|
|
* MS SQL DBO driver constructor; sets SQL Server error reporting defaults
|
|
*
|
|
* @param array $config Configuration data from app/config/databases.php
|
|
* @return boolean True if connected successfully, false on error
|
|
*/
|
|
function __construct($config, $autoConnect = true) {
|
|
if ($autoConnect) {
|
|
if (!function_exists('mssql_min_message_severity')) {
|
|
trigger_error("PHP SQL Server interface is not installed, cannot continue. For troubleshooting information, see http://php.net/mssql/", E_USER_WARNING);
|
|
}
|
|
mssql_min_message_severity(15);
|
|
mssql_min_error_severity(2);
|
|
}
|
|
return parent::__construct($config, $autoConnect);
|
|
}
|
|
/**
|
|
* Connects to the database using options in the given configuration array.
|
|
*
|
|
* @return boolean True if the database could be connected, else false
|
|
*/
|
|
function connect() {
|
|
$config = $this->config;
|
|
|
|
$os = env('OS');
|
|
if (!empty($os) && strpos($os, 'Windows') !== false) {
|
|
$sep = ',';
|
|
} else {
|
|
$sep = ':';
|
|
}
|
|
$this->connected = false;
|
|
|
|
if (is_numeric($config['port'])) {
|
|
$port = $sep . $config['port']; // Port number
|
|
} elseif ($config['port'] === null) {
|
|
$port = ''; // No port - SQL Server 2005
|
|
} else {
|
|
$port = '\\' . $config['port']; // Named pipe
|
|
}
|
|
|
|
if (!$config['persistent']) {
|
|
$this->connection = mssql_connect($config['host'] . $port, $config['login'], $config['password'], true);
|
|
} else {
|
|
$this->connection = mssql_pconnect($config['host'] . $port, $config['login'], $config['password']);
|
|
}
|
|
|
|
if (mssql_select_db($config['database'], $this->connection)) {
|
|
$this->_execute("SET DATEFORMAT ymd");
|
|
$this->connected = true;
|
|
}
|
|
return $this->connected;
|
|
}
|
|
/**
|
|
* Disconnects from database.
|
|
*
|
|
* @return boolean True if the database could be disconnected, else false
|
|
*/
|
|
function disconnect() {
|
|
@mssql_free_result($this->results);
|
|
$this->connected = !@mssql_close($this->connection);
|
|
return !$this->connected;
|
|
}
|
|
/**
|
|
* Executes given SQL statement.
|
|
*
|
|
* @param string $sql SQL statement
|
|
* @return resource Result resource identifier
|
|
* @access protected
|
|
*/
|
|
function _execute($sql) {
|
|
return mssql_query($sql, $this->connection);
|
|
}
|
|
/**
|
|
* Returns an array of sources (tables) in the database.
|
|
*
|
|
* @return array Array of tablenames in the database
|
|
*/
|
|
function listSources() {
|
|
$cache = parent::listSources();
|
|
|
|
if ($cache != null) {
|
|
return $cache;
|
|
}
|
|
$result = $this->fetchAll('SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES', false);
|
|
|
|
if (!$result || empty($result)) {
|
|
return array();
|
|
} else {
|
|
$tables = array();
|
|
|
|
foreach ($result as $table) {
|
|
$tables[] = $table[0]['TABLE_NAME'];
|
|
}
|
|
|
|
parent::listSources($tables);
|
|
return $tables;
|
|
}
|
|
}
|
|
/**
|
|
* Returns an array of the fields in given table name.
|
|
*
|
|
* @param Model $model Model object to describe
|
|
* @return array Fields in table. Keys are name and type
|
|
*/
|
|
function describe(&$model) {
|
|
$cache = parent::describe($model);
|
|
|
|
if ($cache != null) {
|
|
return $cache;
|
|
}
|
|
|
|
$fields = false;
|
|
$cols = $this->fetchAll("SELECT COLUMN_NAME as Field, DATA_TYPE as Type, COL_LENGTH('" . $this->fullTableName($model, false) . "', COLUMN_NAME) as Length, IS_NULLABLE As [Null], COLUMN_DEFAULT as [Default], COLUMNPROPERTY(OBJECT_ID('" . $this->fullTableName($model, false) . "'), COLUMN_NAME, 'IsIdentity') as [Key], NUMERIC_SCALE as Size FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = '" . $this->fullTableName($model, false) . "'", false);
|
|
|
|
foreach ($cols as $column) {
|
|
$field = $column[0]['Field'];
|
|
$fields[$field] = array(
|
|
'type' => $this->column($column[0]['Type']),
|
|
'null' => (strtoupper($column[0]['Null']) == 'YES'),
|
|
'default' => preg_replace("/^[(]{1,2}'?([^')]*)?'?[)]{1,2}$/", "$1", $column[0]['Default']),
|
|
'length' => intval($column[0]['Length']),
|
|
'key' => ($column[0]['Key'] == '1')
|
|
);
|
|
if ($fields[$field]['default'] === 'null') {
|
|
$fields[$field]['default'] = null;
|
|
} else {
|
|
$this->value($fields[$field]['default'], $fields[$field]['type']);
|
|
}
|
|
|
|
if ($fields[$field]['key'] && $fields[$field]['type'] == 'integer') {
|
|
$fields[$field]['length'] = 11;
|
|
} elseif (!$fields[$field]['key']) {
|
|
unset($fields[$field]['key']);
|
|
}
|
|
if (in_array($fields[$field]['type'], array('date', 'time', 'datetime', 'timestamp'))) {
|
|
$fields[$field]['length'] = null;
|
|
}
|
|
}
|
|
$this->__cacheDescription($this->fullTableName($model, false), $fields);
|
|
return $fields;
|
|
}
|
|
/**
|
|
* Returns a quoted and escaped string of $data for use in an SQL statement.
|
|
*
|
|
* @param string $data String to be prepared for use in an SQL statement
|
|
* @param string $column The column into which this data will be inserted
|
|
* @param boolean $safe Whether or not numeric data should be handled automagically if no column data is provided
|
|
* @return string Quoted and escaped data
|
|
*/
|
|
function value($data, $column = null, $safe = false) {
|
|
$parent = parent::value($data, $column, $safe);
|
|
|
|
if ($parent != null) {
|
|
return $parent;
|
|
}
|
|
if ($data === null) {
|
|
return 'NULL';
|
|
}
|
|
if ($data === '') {
|
|
return "''";
|
|
}
|
|
|
|
switch ($column) {
|
|
case 'boolean':
|
|
$data = $this->boolean((bool)$data);
|
|
break;
|
|
default:
|
|
if (get_magic_quotes_gpc()) {
|
|
$data = stripslashes(str_replace("'", "''", $data));
|
|
} else {
|
|
$data = str_replace("'", "''", $data);
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (in_array($column, array('integer', 'float', 'binary')) && is_numeric($data)) {
|
|
return $data;
|
|
}
|
|
return "'" . $data . "'";
|
|
}
|
|
/**
|
|
* Generates the fields list of an SQL query.
|
|
*
|
|
* @param Model $model
|
|
* @param string $alias Alias tablename
|
|
* @param mixed $fields
|
|
* @return array
|
|
*/
|
|
function fields(&$model, $alias = null, $fields = array(), $quote = true) {
|
|
if (empty($alias)) {
|
|
$alias = $model->alias;
|
|
}
|
|
$fields = parent::fields($model, $alias, $fields, false);
|
|
$count = count($fields);
|
|
|
|
if ($count >= 1 && $fields[0] != '*' && strpos($fields[0], 'COUNT(*)') === false) {
|
|
for ($i = 0; $i < $count; $i++) {
|
|
$prepend = '';
|
|
|
|
if (strpos($fields[$i], 'DISTINCT') !== false) {
|
|
$prepend = 'DISTINCT ';
|
|
$fields[$i] = trim(str_replace('DISTINCT', '', $fields[$i]));
|
|
}
|
|
$fieldAlias = count($this->__fieldMappings);
|
|
|
|
if (!preg_match('/\s+AS\s+/i', $fields[$i])) {
|
|
if (strpos($fields[$i], '.') === false) {
|
|
$this->__fieldMappings[$alias . '__' . $fieldAlias] = $alias . '.' . $fields[$i];
|
|
$fieldName = $this->name($alias . '.' . $fields[$i]);
|
|
$fieldAlias = $this->name($alias . '__' . $fieldAlias);
|
|
} else {
|
|
$build = explode('.', $fields[$i]);
|
|
$this->__fieldMappings[$build[0] . '__' . $fieldAlias] = $fields[$i];
|
|
$fieldName = $this->name($build[0] . '.' . $build[1]);
|
|
$fieldAlias = $this->name(preg_replace("/^\[(.+)\]$/", "$1", $build[0]) . '__' . $fieldAlias);
|
|
}
|
|
if ($model->getColumnType($fields[$i]) == 'datetime') {
|
|
$fieldName = "CONVERT(VARCHAR(20), {$fieldName}, 20)";
|
|
}
|
|
$fields[$i] = "{$fieldName} AS {$fieldAlias}";
|
|
}
|
|
$fields[$i] = $prepend . $fields[$i];
|
|
}
|
|
}
|
|
return $fields;
|
|
}
|
|
/**
|
|
* Generates and executes an SQL INSERT statement for given model, fields, and values.
|
|
* Removes Identity (primary key) column from update data before returning to parent, if
|
|
* value is empty.
|
|
*
|
|
* @param Model $model
|
|
* @param array $fields
|
|
* @param array $values
|
|
* @param mixed $conditions
|
|
* @return array
|
|
*/
|
|
function create(&$model, $fields = null, $values = null) {
|
|
if (!empty($values)) {
|
|
$fields = array_combine($fields, $values);
|
|
}
|
|
|
|
if (array_key_exists($model->primaryKey, $fields)) {
|
|
if (empty($fields[$model->primaryKey])) {
|
|
unset($fields[$model->primaryKey]);
|
|
} else {
|
|
$this->_execute("SET IDENTITY_INSERT " . $this->fullTableName($model) . " ON");
|
|
}
|
|
}
|
|
$result = parent::create($model, array_keys($fields), array_values($fields));
|
|
if (array_key_exists($model->primaryKey, $fields) && !empty($fields[$model->primaryKey])) {
|
|
$this->_execute("SET IDENTITY_INSERT " . $this->fullTableName($model) . " OFF");
|
|
}
|
|
return $result;
|
|
}
|
|
/**
|
|
* Generates and executes an SQL UPDATE statement for given model, fields, and values.
|
|
* Removes Identity (primary key) column from update data before returning to parent.
|
|
*
|
|
* @param Model $model
|
|
* @param array $fields
|
|
* @param array $values
|
|
* @param mixed $conditions
|
|
* @return array
|
|
*/
|
|
function update(&$model, $fields = array(), $values = null, $conditions = null) {
|
|
if (!empty($values)) {
|
|
$fields = array_combine($fields, $values);
|
|
}
|
|
if (isset($fields[$model->primaryKey])) {
|
|
unset($fields[$model->primaryKey]);
|
|
}
|
|
return parent::update($model, array_keys($fields), array_values($fields), $conditions);
|
|
}
|
|
/**
|
|
* Returns a formatted error message from previous database operation.
|
|
*
|
|
* @return string Error message with error number
|
|
*/
|
|
function lastError() {
|
|
$error = mssql_get_last_message($this->connection);
|
|
|
|
if ($error) {
|
|
if (!preg_match('/contexto de la base de datos a|contesto di database|changed database/i', $error)) {
|
|
return $error;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
/**
|
|
* Returns number of affected rows in previous database operation. If no previous operation exists,
|
|
* this returns false.
|
|
*
|
|
* @return integer Number of affected rows
|
|
*/
|
|
function lastAffected() {
|
|
if ($this->_result) {
|
|
return mssql_rows_affected($this->connection);
|
|
}
|
|
return null;
|
|
}
|
|
/**
|
|
* Returns number of rows in previous resultset. If no previous resultset exists,
|
|
* this returns false.
|
|
*
|
|
* @return integer Number of rows in resultset
|
|
*/
|
|
function lastNumRows() {
|
|
if ($this->_result) {
|
|
return @mssql_num_rows($this->_result);
|
|
}
|
|
return null;
|
|
}
|
|
/**
|
|
* Returns the ID generated from the previous INSERT operation.
|
|
*
|
|
* @param unknown_type $source
|
|
* @return in
|
|
*/
|
|
function lastInsertId($source = null) {
|
|
$id = $this->fetchRow('SELECT SCOPE_IDENTITY() AS insertID', false);
|
|
return $id[0]['insertID'];
|
|
}
|
|
/**
|
|
* Returns a limit statement in the correct format for the particular database.
|
|
*
|
|
* @param integer $limit Limit of results returned
|
|
* @param integer $offset Offset from which to start results
|
|
* @return string SQL limit/offset statement
|
|
*/
|
|
function limit($limit, $offset = null) {
|
|
if ($limit) {
|
|
$rt = '';
|
|
if (!strpos(strtolower($limit), 'top') || strpos(strtolower($limit), 'top') === 0) {
|
|
$rt = ' TOP';
|
|
}
|
|
$rt .= ' ' . $limit;
|
|
if (is_int($offset) && $offset > 0) {
|
|
$rt .= ' OFFSET ' . $offset;
|
|
}
|
|
return $rt;
|
|
}
|
|
return null;
|
|
}
|
|
/**
|
|
* Converts database-layer column types to basic types
|
|
*
|
|
* @param string $real Real database-layer column type (i.e. "varchar(255)")
|
|
* @return string Abstract column type (i.e. "string")
|
|
*/
|
|
function column($real) {
|
|
if (is_array($real)) {
|
|
$col = $real['name'];
|
|
|
|
if (isset($real['limit'])) {
|
|
$col .= '(' . $real['limit'] . ')';
|
|
}
|
|
return $col;
|
|
}
|
|
$col = str_replace(')', '', $real);
|
|
$limit = null;
|
|
if (strpos($col, '(') !== false) {
|
|
list($col, $limit) = explode('(', $col);
|
|
}
|
|
|
|
if (in_array($col, array('date', 'time', 'datetime', 'timestamp'))) {
|
|
return $col;
|
|
}
|
|
if ($col == 'bit') {
|
|
return 'boolean';
|
|
}
|
|
if (strpos($col, 'int') !== false) {
|
|
return 'integer';
|
|
}
|
|
if (strpos($col, 'char') !== false) {
|
|
return 'string';
|
|
}
|
|
if (strpos($col, 'text') !== false) {
|
|
return 'text';
|
|
}
|
|
if (strpos($col, 'binary') !== false || $col == 'image') {
|
|
return 'binary';
|
|
}
|
|
if (in_array($col, array('float', 'real', 'decimal', 'numeric'))) {
|
|
return 'float';
|
|
}
|
|
return 'text';
|
|
}
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @param unknown_type $results
|
|
*/
|
|
function resultSet(&$results) {
|
|
$this->results =& $results;
|
|
$this->map = array();
|
|
$numFields = mssql_num_fields($results);
|
|
$index = 0;
|
|
$j = 0;
|
|
|
|
while ($j < $numFields) {
|
|
$column = mssql_field_name($results, $j);
|
|
|
|
if (strpos($column, '__')) {
|
|
if (isset($this->__fieldMappings[$column]) && strpos($this->__fieldMappings[$column], '.')) {
|
|
$map = explode('.', $this->__fieldMappings[$column]);
|
|
} elseif (isset($this->__fieldMappings[$column])) {
|
|
$map = array(0, $this->__fieldMappings[$column]);
|
|
} else {
|
|
$map = array(0, $column);
|
|
}
|
|
$this->map[$index++] = $map;
|
|
} else {
|
|
$this->map[$index++] = array(0, $column);
|
|
}
|
|
$j++;
|
|
}
|
|
}
|
|
/**
|
|
* Builds final SQL statement
|
|
*
|
|
* @param string $type Query type
|
|
* @param array $data Query data
|
|
* @return string
|
|
*/
|
|
function renderStatement($type, $data) {
|
|
switch (strtolower($type)) {
|
|
case 'select':
|
|
extract($data);
|
|
$fields = trim($fields);
|
|
|
|
if (strpos($limit, 'TOP') !== false && strpos($fields, 'DISTINCT ') === 0) {
|
|
$limit = 'DISTINCT ' . trim($limit);
|
|
$fields = substr($fields, 9);
|
|
}
|
|
|
|
if (preg_match('/offset\s+([0-9]+)/i', $limit, $offset)) {
|
|
$limit = preg_replace('/\s*offset.*$/i', '', $limit);
|
|
preg_match('/top\s+([0-9]+)/i', $limit, $limitVal);
|
|
$offset = intval($offset[1]) + intval($limitVal[1]);
|
|
$rOrder = $this->__switchSort($order);
|
|
list($order2, $rOrder) = array($this->__mapFields($order), $this->__mapFields($rOrder));
|
|
return "SELECT * FROM (SELECT {$limit} * FROM (SELECT TOP {$offset} {$fields} FROM {$table} {$alias} {$joins} {$conditions} {$group} {$order}) AS Set1 {$rOrder}) AS Set2 {$order2}";
|
|
} else {
|
|
return "SELECT {$limit} {$fields} FROM {$table} {$alias} {$joins} {$conditions} {$group} {$order}";
|
|
}
|
|
break;
|
|
case "schema":
|
|
extract($data);
|
|
|
|
foreach ($indexes as $i => $index) {
|
|
if (preg_match('/PRIMARY KEY/', $index)) {
|
|
unset($indexes[$i]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
foreach (array('columns', 'indexes') as $var) {
|
|
if (is_array(${$var})) {
|
|
${$var} = "\t" . join(",\n\t", array_filter(${$var}));
|
|
}
|
|
}
|
|
return "CREATE TABLE {$table} (\n{$columns});\n{$indexes}";
|
|
break;
|
|
default:
|
|
return parent::renderStatement($type, $data);
|
|
break;
|
|
}
|
|
}
|
|
/**
|
|
* Reverses the sort direction of ORDER statements to get paging offsets to work correctly
|
|
*
|
|
* @param string $order
|
|
* @return string
|
|
* @access private
|
|
*/
|
|
function __switchSort($order) {
|
|
$order = preg_replace('/\s+ASC/i', '__tmp_asc__', $order);
|
|
$order = preg_replace('/\s+DESC/i', ' ASC', $order);
|
|
return preg_replace('/__tmp_asc__/', ' DESC', $order);
|
|
}
|
|
/**
|
|
* Translates field names used for filtering and sorting to shortened names using the field map
|
|
*
|
|
* @param string $sql A snippet of SQL representing an ORDER or WHERE statement
|
|
* @return string The value of $sql with field names replaced
|
|
* @access private
|
|
*/
|
|
function __mapFields($sql) {
|
|
if (empty($sql) || empty($this->__fieldMappings)) {
|
|
return $sql;
|
|
}
|
|
foreach ($this->__fieldMappings as $key => $val) {
|
|
$sql = preg_replace('/' . preg_quote($val) . '/', $this->name($key), $sql);
|
|
$sql = preg_replace('/' . preg_quote($this->name($val)) . '/', $this->name($key), $sql);
|
|
}
|
|
return $sql;
|
|
}
|
|
/**
|
|
* Returns an array of all result rows for a given SQL query.
|
|
* Returns false if no rows matched.
|
|
*
|
|
* @param string $sql SQL statement
|
|
* @param boolean $cache Enables returning/storing cached query results
|
|
* @return array Array of resultset rows, or false if no rows matched
|
|
*/
|
|
function read(&$model, $queryData = array(), $recursive = null) {
|
|
$results = parent::read($model, $queryData, $recursive);
|
|
$this->__fieldMappings = array();
|
|
return $results;
|
|
}
|
|
/**
|
|
* Fetches the next row from the current result set
|
|
*
|
|
* @return unknown
|
|
*/
|
|
function fetchResult() {
|
|
if ($row = mssql_fetch_row($this->results)) {
|
|
$resultRow = array();
|
|
$i = 0;
|
|
|
|
foreach ($row as $index => $field) {
|
|
list($table, $column) = $this->map[$index];
|
|
$resultRow[$table][$column] = $row[$index];
|
|
$i++;
|
|
}
|
|
return $resultRow;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
/**
|
|
* Generate a database-native column schema string
|
|
*
|
|
* @param array $column An array structured like the following: array('name'=>'value', 'type'=>'value'[, options]),
|
|
* where options can be 'default', 'length', or 'key'.
|
|
* @return string
|
|
*/
|
|
function buildColumn($column) {
|
|
$result = preg_replace('/(int|integer)\([0-9]+\)/i', '$1', parent::buildColumn($column));
|
|
$null = (
|
|
(isset($column['null']) && $column['null'] == true) ||
|
|
(array_key_exists('default', $column) && $column['default'] === null) ||
|
|
(array_keys($column) == array('type', 'name'))
|
|
);
|
|
$primaryKey = (isset($column['key']) && $column['key'] == 'primary');
|
|
$stringKey = ($primaryKey && $column['type'] != 'integer');
|
|
|
|
if ($null && !$primaryKey) {
|
|
$result .= " NULL";
|
|
}
|
|
return $result;
|
|
}
|
|
/**
|
|
* Format indexes for create table
|
|
*
|
|
* @param array $indexes
|
|
* @param string $table
|
|
* @return string
|
|
*/
|
|
function buildIndex($indexes, $table = null) {
|
|
$join = array();
|
|
|
|
foreach ($indexes as $name => $value) {
|
|
if ($name == 'PRIMARY') {
|
|
$out = 'PRIMARY KEY (' . $this->name($value['column']) . ')';
|
|
} else {
|
|
$out = "ALTER TABLE {$table} ADD CONSTRAINT {$name} UNIQUE";
|
|
|
|
if (is_array($value['column'])) {
|
|
$value['column'] = join(', ', array_map(array(&$this, 'name'), $value['column']));
|
|
} else {
|
|
$value['column'] = $this->name($value['column']);
|
|
}
|
|
$out .= "({$value['column']});";
|
|
}
|
|
$join[] = $out;
|
|
}
|
|
return $join;
|
|
}
|
|
}
|
|
?>
|