diff options
author | Eric Roberts <eric@cryode.com> | 2012-12-12 14:02:11 +0100 |
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committer | Eric Roberts <eric@cryode.com> | 2012-12-12 14:02:11 +0100 |
commit | b9e35f21e1c70b6aa67c47e9244ed83195abc00a (patch) | |
tree | 64f82db362deeac48cc20d1d1afd80651f36f5a5 /system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php | |
parent | 0b05705c52c3bca7f9b3aee657c888e8ad1ff422 (diff) | |
parent | 545a7c86701875e1412bcde316e9bcc76d9a23a0 (diff) |
Merge branch 'refs/heads/develop' into feature/form_error_msgs
Conflicts:
system/language/english/form_validation_lang.php
user_guide_src/source/libraries/form_validation.rst
Signed-off-by: Eric Roberts <eric@cryode.com>
Diffstat (limited to 'system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php')
-rw-r--r-- | system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php b/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php new file mode 100644 index 000000000..2ef97cd6e --- /dev/null +++ b/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php @@ -0,0 +1,236 @@ +<?php +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.2.4 or newer + * + * NOTICE OF LICENSE + * + * Licensed under the Open Software License version 3.0 + * + * This source file is subject to the Open Software License (OSL 3.0) that is + * bundled with this package in the files license.txt / license.rst. It is + * also available through the world wide web at this URL: + * http://opensource.org/licenses/OSL-3.0 + * If you did not receive a copy of the license and are unable to obtain it + * through the world wide web, please send an email to + * licensing@ellislab.com so we can send you a copy immediately. + * + * @package CodeIgniter + * @author EllisLab Dev Team + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) + * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) + * @link http://codeigniter.com + * @since Version 3.0.0 + * @filesource + */ +defined('BASEPATH') OR exit('No direct script access allowed'); + +/** + * PDO IBM DB2 Database Adapter Class + * + * Note: _DB is an extender class that the app controller + * creates dynamically based on whether the query builder + * class is being used or not. + * + * @package CodeIgniter + * @subpackage Drivers + * @category Database + * @author EllisLab Dev Team + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_pdo_ibm_driver extends CI_DB_pdo_driver { + + /** + * Sub-driver + * + * @var string + */ + public $subdriver = 'ibm'; + + // -------------------------------------------------------------------- + + /** + * Class constructor + * + * Builds the DSN if not already set. + * + * @param array $params + * @return void + */ + public function __construct($params) + { + parent::__construct($params); + + if (empty($this->dsn)) + { + $this->dsn = 'ibm:'; + + // Pre-defined DSN + if (empty($this->hostname) && empty($this->HOSTNAME) && empty($this->port) && empty($this->PORT)) + { + if (isset($this->DSN)) + { + $this->dsn .= 'DSN='.$this->DSN; + } + elseif ( ! empty($this->database)) + { + $this->dsn .= 'DSN='.$this->database; + } + + return; + } + + $this->dsn .= 'DRIVER='.(isset($this->DRIVER) ? '{'.$this->DRIVER.'}' : '{IBM DB2 ODBC DRIVER}').';'; + + if (isset($this->DATABASE)) + { + $this->dsn .= 'DATABASE='.$this->DATABASE.';'; + } + elseif ( ! empty($this->database)) + { + $this->dsn .= 'DATABASE='.$this->database.';'; + } + + if (isset($this->HOSTNAME)) + { + $this->dsn .= 'HOSTNAME='.$this->HOSTNAME.';'; + } + else + { + $this->dsn .= 'HOSTNAME='.(empty($this->hostname) ? '127.0.0.1;' : $this->hostname.';'); + } + + if (isset($this->PORT)) + { + $this->dsn .= 'PORT='.$this->port.';'; + } + elseif ( ! empty($this->port)) + { + $this->dsn .= ';PORT='.$this->port.';'; + } + + $this->dsn .= 'PROTOCOL='.(isset($this->PROTOCOL) ? $this->PROTOCOL.';' : 'TCPIP;'); + } + } + + // -------------------------------------------------------------------- + + /** + * Show table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @param bool $prefix_limit + * @return string + */ + protected function _list_tables($prefix_limit = FALSE) + { + $sql = 'SELECT "tabname" FROM "syscat"."tables" + WHERE "type" = \'T\' AND LOWER("tabschema") = '.$this->escape(strtolower($this->database)); + + if ($prefix_limit === TRUE && $this->dbprefix !== '') + { + $sql .= ' AND "tabname" LIKE \''.$this->escape_like_str($this->dbprefix)."%' " + .sprintf($this->_like_escape_str, $this->_like_escape_chr); + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Show column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @param string $table + * @return array + */ + protected function _list_columns($table = '') + { + return 'SELECT "colname" FROM "syscat"."columns" + WHERE LOWER("tabschema") = '.$this->escape(strtolower($this->database)).' + AND LOWER("tabname") = '.$this->escape(strtolower($table)); + } + + // -------------------------------------------------------------------- + + /** + * Returns an object with field data + * + * @param string $table + * @return array + */ + public function field_data($table = '') + { + $sql = 'SELECT "colname" AS "name", "typename" AS "type", "default" AS "default", "length" AS "max_length", + CASE "keyseq" WHEN NULL THEN 0 ELSE 1 END AS "primary_key" + FROM "syscat"."columns" + WHERE LOWER("tabschema") = '.$this->escape(strtolower($this->database)).' + AND LOWER("tabname") = '.$this->escape(strtolower($table)).' + ORDER BY "colno"'; + + return (($query = $this->query($sql)) !== FALSE) + ? $query->result_object() + : FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @param string $table + * @param array $values + * @return string + */ + protected function _update($table, $values) + { + $this->qb_limit = FALSE; + $this->qb_orderby = array(); + return parent::_update($table, $values); + } + + // -------------------------------------------------------------------- + + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @param string $table + * @return string + */ + protected function _delete($table) + { + $this->qb_limit = FALSE; + return parent::_delete($table); + } + + // -------------------------------------------------------------------- + + /** + * LIMIT + * + * Generates a platform-specific LIMIT clause + * + * @param string $sql SQL Query + * @return string + */ + protected function _limit($sql) + { + $sql .= ' FETCH FIRST '.($this->qb_limit + $this->qb_offset).' ROWS ONLY'; + + return ($this->qb_offset) + ? 'SELECT * FROM ('.$sql.') WHERE rownum > '.$this->qb_offset + : $sql; + } + +} + +/* End of file pdo_ibm_driver.php */ +/* Location: ./system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php */
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