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_informix_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_informix_driver.php')
-rw-r--r-- | system/database/drivers/pdo/subdrivers/pdo_informix_driver.php | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php b/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php new file mode 100644 index 000000000..cfb474eec --- /dev/null +++ b/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php @@ -0,0 +1,301 @@ +<?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 Informix 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_informix_driver extends CI_DB_pdo_driver { + + /** + * Sub-driver + * + * @var string + */ + public $subdriver = 'informix'; + + // -------------------------------------------------------------------- + + /** + * ORDER BY random keyword + * + * @var array + */ + protected $_random_keyword = array('ASC', 'ASC'); // Currently not supported + + // -------------------------------------------------------------------- + + /** + * 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)) + { + $this->dsn = 'informix:'; + + // Pre-defined DSN + if (empty($this->hostname) && empty($this->host) && empty($this->port) && empty($this->service)) + { + if (isset($this->DSN)) + { + $this->dsn .= 'DSN='.$this->DSN; + } + elseif ( ! empty($this->database)) + { + $this->dsn .= 'DSN='.$this->database; + } + + return; + } + + if (isset($this->host)) + { + $this->dsn .= 'host='.$this->host; + } + else + { + $this->dsn .= 'host='.(empty($this->hostname) ? '127.0.0.1' : $this->hostname); + } + + if (isset($this->service)) + { + $this->dsn .= '; service='.$this->service; + } + elseif ( ! empty($this->port)) + { + $this->dsn .= '; service='.$this->port; + } + + empty($this->database) OR $this->dsn .= '; database='.$this->database; + empty($this->server) OR $this->dsn .= '; server='.$this->server; + + $this->dsn .= '; protocol='.(isset($this->protocol) ? $this->protocol : 'onsoctcp') + .'; EnableScrollableCursors=1'; + } + } + + // -------------------------------------------------------------------- + + /** + * 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) + { + $sql = 'SELECT "tabname" FROM "systables" + WHERE "tabid" > 99 AND "tabtype" = \'T\' AND LOWER("owner") = '.$this->escape(strtolower($this->username)); + + if ($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 $table + * @return string + */ + protected function _list_columns($table = '') + { + if (strpos($table, '.') !== FALSE) + { + sscanf($table, '%[^.].%s', $owner, $table); + } + else + { + $owner = $this->username; + } + + return 'SELECT "colname" FROM "systables", "syscolumns" + WHERE "systables"."tabid" = "syscolumns"."tabid" + AND "systables"."tabtype" = \'T\' + AND LOWER("systables"."owner") = '.$this->escape(strtolower($owner)).' + AND LOWER("systables"."tabname") = '.$this->escape(strtolower($table)); + } + + // -------------------------------------------------------------------- + + /** + * Returns an object with field data + * + * @param string $table + * @return array + */ + public function field_data($table = '') + { + $sql = 'SELECT "syscolumns"."colname" AS "name", + CASE "syscolumns"."coltype" + WHEN 0 THEN \'CHAR\' + WHEN 1 THEN \'SMALLINT\' + WHEN 2 THEN \'INTEGER\' + WHEN 3 THEN \'FLOAT\' + WHEN 4 THEN \'SMALLFLOAT\' + WHEN 5 THEN \'DECIMAL\' + WHEN 6 THEN \'SERIAL\' + WHEN 7 THEN \'DATE\' + WHEN 8 THEN \'MONEY\' + WHEN 9 THEN \'NULL\' + WHEN 10 THEN \'DATETIME\' + WHEN 11 THEN \'BYTE\' + WHEN 12 THEN \'TEXT\' + WHEN 13 THEN \'VARCHAR\' + WHEN 14 THEN \'INTERVAL\' + WHEN 15 THEN \'NCHAR\' + WHEN 16 THEN \'NVARCHAR\' + WHEN 17 THEN \'INT8\' + WHEN 18 THEN \'SERIAL8\' + WHEN 19 THEN \'SET\' + WHEN 20 THEN \'MULTISET\' + WHEN 21 THEN \'LIST\' + WHEN 22 THEN \'Unnamed ROW\' + WHEN 40 THEN \'LVARCHAR\' + WHEN 41 THEN \'BLOB/CLOB/BOOLEAN\' + WHEN 4118 THEN \'Named ROW\' + ELSE "syscolumns"."coltype" + END AS "type", + "syscolumns"."collength" as "max_length", + CASE "sysdefaults"."type" + WHEN \'L\' THEN "sysdefaults"."default" + ELSE NULL + END AS "default" + FROM "syscolumns", "systables", "sysdefaults" + WHERE "syscolumns"."tabid" = "systables"."tabid" + AND "systables"."tabid" = "sysdefaults"."tabid" + AND "syscolumns"."colno" = "sysdefaults"."colno" + AND "systables"."tabtype" = \'T\' + AND LOWER("systables"."owner") = '.$this->escape(strtolower($this->username)).' + AND LOWER("systables"."tabname") = '.$this->escape(strtolower($table)).' + ORDER BY "syscolumns"."colno"'; + + return (($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); + } + + // -------------------------------------------------------------------- + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * + * If the database does not support the TRUNCATE statement, + * then this method maps to 'DELETE FROM table' + * + * @param string $table + * @return string + */ + protected function _truncate($table) + { + return 'TRUNCATE TABLE ONLY '.$table; + } + + // -------------------------------------------------------------------- + + /** + * 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) + { + $select = 'SELECT '.($this->qb_offset ? 'SKIP '.$this->qb_offset : '').'FIRST '.$this->qb_limit.' '; + return preg_replace('/^(SELECT\s)/i', $select, $sql, 1); + } + +} + +/* End of file pdo_informix_driver.php */ +/* Location: ./system/database/drivers/pdo/subdrivers/pdo_informix_driver.php */
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