diff options
| author | Florian Pritz <bluewind@xinu.at> | 2011-11-28 22:13:04 +0100 |
|---|---|---|
| committer | Florian Pritz <bluewind@xinu.at> | 2011-11-28 22:13:04 +0100 |
| commit | dae09a1d516617e3a054cb9838d7761749d397f1 (patch) | |
| tree | 4ceed076562bf369b2471d20a56c4c98cf9947ca /system/database/drivers | |
| parent | a9236d031c56814eb8a024626d2c5280557ca41d (diff) | |
| parent | 0199f68db46d375af2d4cb831c679d3040601f25 (diff) | |
Merge commit 'v2.1.0'
Conflicts:
user_guide/changelog.html
user_guide/database/active_record.html
user_guide/database/caching.html
user_guide/database/call_function.html
user_guide/database/configuration.html
user_guide/database/connecting.html
user_guide/database/examples.html
user_guide/database/fields.html
user_guide/database/forge.html
user_guide/database/helpers.html
user_guide/database/index.html
user_guide/database/queries.html
user_guide/database/results.html
user_guide/database/table_data.html
user_guide/database/transactions.html
user_guide/database/utilities.html
user_guide/doc_style/index.html
user_guide/general/alternative_php.html
user_guide/general/ancillary_classes.html
user_guide/general/autoloader.html
user_guide/general/caching.html
user_guide/general/cli.html
user_guide/general/common_functions.html
user_guide/general/controllers.html
user_guide/general/core_classes.html
user_guide/general/creating_drivers.html
user_guide/general/creating_libraries.html
user_guide/general/credits.html
user_guide/general/drivers.html
user_guide/general/environments.html
user_guide/general/errors.html
user_guide/general/helpers.html
user_guide/general/hooks.html
user_guide/general/libraries.html
user_guide/general/managing_apps.html
user_guide/general/models.html
user_guide/general/profiling.html
user_guide/general/quick_reference.html
user_guide/general/requirements.html
user_guide/general/reserved_names.html
user_guide/general/routing.html
user_guide/general/security.html
user_guide/general/styleguide.html
user_guide/general/urls.html
user_guide/general/views.html
user_guide/helpers/array_helper.html
user_guide/helpers/captcha_helper.html
user_guide/helpers/cookie_helper.html
user_guide/helpers/date_helper.html
user_guide/helpers/directory_helper.html
user_guide/helpers/download_helper.html
user_guide/helpers/email_helper.html
user_guide/helpers/file_helper.html
user_guide/helpers/form_helper.html
user_guide/helpers/html_helper.html
user_guide/helpers/inflector_helper.html
user_guide/helpers/language_helper.html
user_guide/helpers/number_helper.html
user_guide/helpers/path_helper.html
user_guide/helpers/security_helper.html
user_guide/helpers/smiley_helper.html
user_guide/helpers/string_helper.html
user_guide/helpers/text_helper.html
user_guide/helpers/typography_helper.html
user_guide/helpers/url_helper.html
user_guide/helpers/xml_helper.html
user_guide/images/appflowchart.gif
user_guide/index.html
user_guide/installation/downloads.html
user_guide/installation/index.html
user_guide/installation/troubleshooting.html
user_guide/installation/upgrade_120.html
user_guide/installation/upgrade_130.html
user_guide/installation/upgrade_131.html
user_guide/installation/upgrade_132.html
user_guide/installation/upgrade_133.html
user_guide/installation/upgrade_140.html
user_guide/installation/upgrade_141.html
user_guide/installation/upgrade_150.html
user_guide/installation/upgrade_152.html
user_guide/installation/upgrade_153.html
user_guide/installation/upgrade_154.html
user_guide/installation/upgrade_160.html
user_guide/installation/upgrade_161.html
user_guide/installation/upgrade_162.html
user_guide/installation/upgrade_163.html
user_guide/installation/upgrade_170.html
user_guide/installation/upgrade_171.html
user_guide/installation/upgrade_172.html
user_guide/installation/upgrade_200.html
user_guide/installation/upgrade_201.html
user_guide/installation/upgrade_202.html
user_guide/installation/upgrade_203.html
user_guide/installation/upgrade_b11.html
user_guide/installation/upgrading.html
user_guide/libraries/benchmark.html
user_guide/libraries/caching.html
user_guide/libraries/calendar.html
user_guide/libraries/cart.html
user_guide/libraries/config.html
user_guide/libraries/email.html
user_guide/libraries/encryption.html
user_guide/libraries/file_uploading.html
user_guide/libraries/form_validation.html
user_guide/libraries/ftp.html
user_guide/libraries/image_lib.html
user_guide/libraries/input.html
user_guide/libraries/javascript.html
user_guide/libraries/language.html
user_guide/libraries/loader.html
user_guide/libraries/output.html
user_guide/libraries/pagination.html
user_guide/libraries/parser.html
user_guide/libraries/security.html
user_guide/libraries/sessions.html
user_guide/libraries/table.html
user_guide/libraries/trackback.html
user_guide/libraries/typography.html
user_guide/libraries/unit_testing.html
user_guide/libraries/uri.html
user_guide/libraries/user_agent.html
user_guide/libraries/xmlrpc.html
user_guide/libraries/zip.html
user_guide/license.html
user_guide/nav/nav.js
user_guide/overview/appflow.html
user_guide/overview/at_a_glance.html
user_guide/overview/cheatsheets.html
user_guide/overview/features.html
user_guide/overview/getting_started.html
user_guide/overview/goals.html
user_guide/overview/index.html
user_guide/overview/mvc.html
user_guide/toc.html
Signed-off-by: Florian Pritz <bluewind@xinu.at>
Diffstat (limited to 'system/database/drivers')
22 files changed, 2949 insertions, 157 deletions
diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php new file mode 100644 index 000000000..d01140412 --- /dev/null +++ b/system/database/drivers/cubrid/cubrid_driver.php @@ -0,0 +1,792 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * @package CodeIgniter + * @author Esen Sagynov + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 2.0.2 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * CUBRID Database Adapter Class + * + * Note: _DB is an extender class that the app controller + * creates dynamically based on whether the active record + * class is being used or not. + * + * @package CodeIgniter + * @subpackage Drivers + * @category Database + * @author Esen Sagynov + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_cubrid_driver extends CI_DB { + + // Default CUBRID Broker port. Will be used unless user + // explicitly specifies another one. + const DEFAULT_PORT = 33000; + + var $dbdriver = 'cubrid'; + + // The character used for escaping - no need in CUBRID + var $_escape_char = ''; + + // clause and character used for LIKE escape sequences - not used in CUBRID + var $_like_escape_str = ''; + var $_like_escape_chr = ''; + + /** + * The syntax to count rows is slightly different across different + * database engines, so this string appears in each driver and is + * used for the count_all() and count_all_results() functions. + */ + var $_count_string = 'SELECT COUNT(*) AS '; + var $_random_keyword = ' RAND()'; // database specific random keyword + + /** + * Non-persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_connect() + { + // If no port is defined by the user, use the default value + if ($this->port == '') + { + $this->port = self::DEFAULT_PORT; + } + + $conn = cubrid_connect($this->hostname, $this->port, $this->database, $this->username, $this->password); + + if ($conn) + { + // Check if a user wants to run queries in dry, i.e. run the + // queries but not commit them. + if (isset($this->auto_commit) && ! $this->auto_commit) + { + cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_FALSE); + } + else + { + cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_TRUE); + $this->auto_commit = TRUE; + } + } + + return $conn; + } + + // -------------------------------------------------------------------- + + /** + * Persistent database connection + * In CUBRID persistent DB connection is supported natively in CUBRID + * engine which can be configured in the CUBRID Broker configuration + * file by setting the CCI_PCONNECT parameter to ON. In that case, all + * connections established between the client application and the + * server will become persistent. This is calling the same + * @cubrid_connect function will establish persisten connection + * considering that the CCI_PCONNECT is ON. + * + * @access private called by the base class + * @return resource + */ + function db_pconnect() + { + return $this->db_connect(); + } + + // -------------------------------------------------------------------- + + /** + * Reconnect + * + * Keep / reestablish the db connection if no queries have been + * sent for a length of time exceeding the server's idle timeout + * + * @access public + * @return void + */ + function reconnect() + { + if (cubrid_ping($this->conn_id) === FALSE) + { + $this->conn_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Select the database + * + * @access private called by the base class + * @return resource + */ + function db_select() + { + // In CUBRID there is no need to select a database as the database + // is chosen at the connection time. + // So, to determine if the database is "selected", all we have to + // do is ping the server and return that value. + return cubrid_ping($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Set client character set + * + * @access public + * @param string + * @param string + * @return resource + */ + function db_set_charset($charset, $collation) + { + // In CUBRID, there is no need to set charset or collation. + // This is why returning true will allow the application continue + // its normal process. + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + // To obtain the CUBRID Server version, no need to run the SQL query. + // CUBRID PHP API provides a function to determin this value. + // This is why we also need to add 'cubrid' value to the list of + // $driver_version_exceptions array in DB_driver class in + // version() function. + return cubrid_get_server_info($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * @access private called by the base class + * @param string an SQL query + * @return resource + */ + function _execute($sql) + { + $sql = $this->_prep_query($sql); + return @cubrid_query($sql, $this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Prep the query + * + * If needed, each database adapter can prep the query string + * + * @access private called by execute() + * @param string an SQL query + * @return string + */ + function _prep_query($sql) + { + // No need to prepare + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Begin Transaction + * + * @access public + * @return bool + */ + function trans_begin($test_mode = FALSE) + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + // Reset the transaction failure flag. + // If the $test_mode flag is set to TRUE transactions will be rolled back + // even if the queries produce a successful result. + $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + + if (cubrid_get_autocommit($this->conn_id)) + { + cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_FALSE); + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Commit Transaction + * + * @access public + * @return bool + */ + function trans_commit() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + cubrid_commit($this->conn_id); + + if ($this->auto_commit && ! cubrid_get_autocommit($this->conn_id)) + { + cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_TRUE); + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Rollback Transaction + * + * @access public + * @return bool + */ + function trans_rollback() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + cubrid_rollback($this->conn_id); + + if ($this->auto_commit && ! cubrid_get_autocommit($this->conn_id)) + { + cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_TRUE); + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Escape String + * + * @access public + * @param string + * @param bool whether or not the string will be used in a LIKE condition + * @return string + */ + function escape_str($str, $like = FALSE) + { + if (is_array($str)) + { + foreach ($str as $key => $val) + { + $str[$key] = $this->escape_str($val, $like); + } + + return $str; + } + + if (function_exists('cubrid_real_escape_string') AND is_resource($this->conn_id)) + { + $str = cubrid_real_escape_string($str, $this->conn_id); + } + else + { + $str = addslashes($str); + } + + // escape LIKE condition wildcards + if ($like === TRUE) + { + $str = str_replace(array('%', '_'), array('\\%', '\\_'), $str); + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Affected Rows + * + * @access public + * @return integer + */ + function affected_rows() + { + return @cubrid_affected_rows($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Insert ID + * + * @access public + * @return integer + */ + function insert_id() + { + return @cubrid_insert_id($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified table + * + * @access public + * @param string + * @return string + */ + function count_all($table = '') + { + if ($table == '') + { + return 0; + } + + $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE)); + + if ($query->num_rows() == 0) + { + return 0; + } + + $row = $query->row(); + $this->_reset_select(); + return (int) $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * List table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access private + * @param boolean + * @return string + */ + function _list_tables($prefix_limit = FALSE) + { + $sql = "SHOW TABLES"; + + if ($prefix_limit !== FALSE AND $this->dbprefix != '') + { + $sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'"; + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Show column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access public + * @param string the table name + * @return string + */ + function _list_columns($table = '') + { + return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE); + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + return "SELECT * FROM ".$table." LIMIT 1"; + } + + // -------------------------------------------------------------------- + + /** + * The error message string + * + * @access private + * @return string + */ + function _error_message() + { + return cubrid_error($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * The error message number + * + * @access private + * @return integer + */ + function _error_number() + { + return cubrid_errno($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Escape the SQL Identifiers + * + * This function escapes column and table names + * + * @access private + * @param string + * @return string + */ + function _escape_identifiers($item) + { + if ($this->_escape_char == '') + { + return $item; + } + + foreach ($this->_reserved_identifiers as $id) + { + if (strpos($item, '.'.$id) !== FALSE) + { + $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + } + + if (strpos($item, '.') !== FALSE) + { + $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; + } + else + { + $str = $this->_escape_char.$item.$this->_escape_char; + } + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @access public + * @param type + * @return type + */ + function _from_tables($tables) + { + if ( ! is_array($tables)) + { + $tables = array($tables); + } + + return '('.implode(', ', $tables).')'; + } + + // -------------------------------------------------------------------- + + /** + * Insert statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert($table, $keys, $values) + { + return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + + /** + * Replace statement + * + * Generates a platform-specific replace string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _replace($table, $keys, $values) + { + return "REPLACE INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + /** + * Insert_batch statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert_batch($table, $keys, $values) + { + return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES ".implode(', ', $values); + } + + // -------------------------------------------------------------------- + + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause + * @return string + */ + function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + { + foreach ($values as $key => $val) + { + $valstr[] = sprintf('"%s" = %s', $key, $val); + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; + + $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); + + $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; + + $sql .= $orderby.$limit; + + return $sql; + } + + // -------------------------------------------------------------------- + + + /** + * Update_Batch statement + * + * Generates a platform-specific batch update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @return string + */ + function _update_batch($table, $values, $index, $where = NULL) + { + $ids = array(); + $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : ''; + + foreach ($values as $key => $val) + { + $ids[] = $val[$index]; + + foreach (array_keys($val) as $field) + { + if ($field != $index) + { + $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; + } + } + } + + $sql = "UPDATE ".$table." SET "; + $cases = ''; + + foreach ($final as $k => $v) + { + $cases .= $k.' = CASE '."\n"; + foreach ($v as $row) + { + $cases .= $row."\n"; + } + + $cases .= 'ELSE '.$k.' END, '; + } + + $sql .= substr($cases, 0, -2); + + $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')'; + + return $sql; + } + + // -------------------------------------------------------------------- + + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * If the database does not support the truncate() command + * This function maps to "DELETE FROM table" + * + * @access public + * @param string the table name + * @return string + */ + function _truncate($table) + { + return "TRUNCATE ".$table; + } + + // -------------------------------------------------------------------- + + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @access public + * @param string the table name + * @param array the where clause + * @param string the limit clause + * @return string + */ + function _delete($table, $where = array(), $like = array(), $limit = FALSE) + { + $conditions = ''; + + if (count($where) > 0 OR count($like) > 0) + { + $conditions = "\nWHERE "; + $conditions .= implode("\n", $this->ar_where); + + if (count($where) > 0 && count($like) > 0) + { + $conditions .= " AND "; + } + $conditions .= implode("\n", $like); + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + return "DELETE FROM ".$table.$conditions.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @access public + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + function _limit($sql, $limit, $offset) + { + if ($offset == 0) + { + $offset = ''; + } + else + { + $offset .= ", "; + } + + return $sql."LIMIT ".$offset.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access public + * @param resource + * @return void + */ + function _close($conn_id) + { + @cubrid_close($conn_id); + } + +} + + +/* End of file cubrid_driver.php */ +/* Location: ./system/database/drivers/cubrid/cubrid_driver.php */
\ No newline at end of file diff --git a/system/database/drivers/cubrid/cubrid_forge.php b/system/database/drivers/cubrid/cubrid_forge.php new file mode 100644 index 000000000..bab03f748 --- /dev/null +++ b/system/database/drivers/cubrid/cubrid_forge.php @@ -0,0 +1,288 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * @package CodeIgniter + * @author Esen Sagynov + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * CUBRID Forge Class + * + * @category Database + * @author Esen Sagynov + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_cubrid_forge extends CI_DB_forge { + + /** + * Create database + * + * @access private + * @param string the database name + * @return bool + */ + function _create_database($name) + { + // CUBRID does not allow to create a database in SQL. The GUI tools + // have to be used for this purpose. + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Drop database + * + * @access private + * @param string the database name + * @return bool + */ + function _drop_database($name) + { + // CUBRID does not allow to drop a database in SQL. The GUI tools + // have to be used for this purpose. + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Process Fields + * + * @access private + * @param mixed the fields + * @return string + */ + function _process_fields($fields) + { + $current_field_count = 0; + $sql = ''; + + foreach ($fields as $field=>$attributes) + { + // Numeric field names aren't allowed in databases, so if the key is + // numeric, we know it was assigned by PHP and the developer manually + // entered the field information, so we'll simply add it to the list + if (is_numeric($field)) + { + $sql .= "\n\t$attributes"; + } + else + { + $attributes = array_change_key_case($attributes, CASE_UPPER); + + $sql .= "\n\t\"" . $this->db->_protect_identifiers($field) . "\""; + + if (array_key_exists('NAME', $attributes)) + { + $sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' '; + } + + if (array_key_exists('TYPE', $attributes)) + { + $sql .= ' '.$attributes['TYPE']; + + if (array_key_exists('CONSTRAINT', $attributes)) + { + switch ($attributes['TYPE']) + { + case 'decimal': + case 'float': + case 'numeric': + $sql .= '('.implode(',', $attributes['CONSTRAINT']).')'; + break; + case 'enum': // As of version 8.4.0 CUBRID does not support + // enum data type. + break; + case 'set': + $sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")'; + break; + default: + $sql .= '('.$attributes['CONSTRAINT'].')'; + } + } + } + + if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) + { + //$sql .= ' UNSIGNED'; + // As of version 8.4.0 CUBRID does not support UNSIGNED INTEGER data type. + // Will be supported in the next release as a part of MySQL Compatibility. + } + + if (array_key_exists('DEFAULT', $attributes)) + { + $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; + } + + if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) + { + $sql .= ' AUTO_INCREMENT'; + } + + if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE) + { + $sql .= ' UNIQUE'; + } + } + + // don't add a comma on the end of the last field + if (++$current_field_count < count($fields)) + { + $sql .= ','; + } + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Create Table + * + * @access private + * @param string the table name + * @param mixed the fields + * @param mixed primary key(s) + * @param mixed key(s) + * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @return bool + */ + function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + { + $sql = 'CREATE TABLE '; + + if ($if_not_exists === TRUE) + { + //$sql .= 'IF NOT EXISTS '; + // As of version 8.4.0 CUBRID does not support this SQL syntax. + } + + $sql .= $this->db->_escape_identifiers($table)." ("; + + $sql .= $this->_process_fields($fields); + + // If there is a PK defined + if (count($primary_keys) > 0) + { + $key_name = "pk_" . $table . "_" . + $this->db->_protect_identifiers(implode('_', $primary_keys)); + + $primary_keys = $this->db->_protect_identifiers($primary_keys); + $sql .= ",\n\tCONSTRAINT " . $key_name . " PRIMARY KEY(" . implode(', ', $primary_keys) . ")"; + } + + if (is_array($keys) && count($keys) > 0) + { + foreach ($keys as $key) + { + if (is_array($key)) + { + $key_name = $this->db->_protect_identifiers(implode('_', $key)); + $key = $this->db->_protect_identifiers($key); + } + else + { + $key_name = $this->db->_protect_identifiers($key); + $key = array($key_name); + } + + $sql .= ",\n\tKEY \"{$key_name}\" (" . implode(', ', $key) . ")"; + } + } + + $sql .= "\n);"; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Drop Table + * + * @access private + * @return string + */ + function _drop_table($table) + { + return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table); + } + + // -------------------------------------------------------------------- + + /** + * Alter table query + * + * Generates a platform-specific query so that a table can be altered + * Called by add_column(), drop_column(), and column_alter(), + * + * @access private + * @param string the ALTER type (ADD, DROP, CHANGE) + * @param string the column name + * @param array fields + * @param string the field after which we should add the new field + * @return object + */ + function _alter_table($alter_type, $table, $fields, $after_field = '') + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type "; + + // DROP has everything it needs now. + if ($alter_type == 'DROP') + { + return $sql.$this->db->_protect_identifiers($fields); + } + + $sql .= $this->_process_fields($fields); + + if ($after_field != '') + { + $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Rename a table + * + * Generates a platform-specific query so that a table can be renamed + * + * @access private + * @param string the old table name + * @param string the new table name + * @return string + */ + function _rename_table($table_name, $new_table_name) + { + $sql = 'RENAME TABLE '.$this->db->_protect_identifiers($table_name)." AS ".$this->db->_protect_identifiers($new_table_name); + return $sql; + } + +} + +/* End of file cubrid_forge.php */ +/* Location: ./system/database/drivers/cubrid/cubrid_forge.php */
\ No newline at end of file diff --git a/system/database/drivers/cubrid/cubrid_result.php b/system/database/drivers/cubrid/cubrid_result.php new file mode 100644 index 000000000..6f0c2b5f7 --- /dev/null +++ b/system/database/drivers/cubrid/cubrid_result.php @@ -0,0 +1,202 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * @package CodeIgniter + * @author Esen Sagynov + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 2.0.2 + * @filesource + */ + +// -------------------------------------------------------------------- + +/** + * CUBRID Result Class + * + * This class extends the parent result class: CI_DB_result + * + * @category Database + * @author Esen Sagynov + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_cubrid_result extends CI_DB_result { + + /** + * Number of rows in the result set + * + * @access public + * @return integer + */ + function num_rows() + { + return @cubrid_num_rows($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Number of fields in the result set + * + * @access public + * @return integer + */ + function num_fields() + { + return @cubrid_num_fields($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Fetch Field Names + * + * Generates an array of column names + * + * @access public + * @return array + */ + function list_fields() + { + return cubrid_column_names($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Field data + * + * Generates an array of objects containing field meta-data + * + * @access public + * @return array + */ + function field_data() + { + $retval = array(); + + $tablePrimaryKeys = array(); + + while ($field = cubrid_fetch_field($this->result_id)) + { + $F = new stdClass(); + $F->name = $field->name; + $F->type = $field->type; + $F->default = $field->def; + $F->max_length = $field->max_length; + + // At this moment primary_key property is not returned when + // cubrid_fetch_field is called. The following code will + // provide a patch for it. primary_key property will be added + // in the next release. + + // TODO: later version of CUBRID will provide primary_key + // property. + // When PK is defined in CUBRID, an index is automatically + // created in the db_index system table in the form of + // pk_tblname_fieldname. So the following will count how many + // columns are there which satisfy this format. + // The query will search for exact single columns, thus + // compound PK is not supported. + $res = cubrid_query($this->conn_id, + "SELECT COUNT(*) FROM db_index WHERE class_name = '" . $field->table . + "' AND is_primary_key = 'YES' AND index_name = 'pk_" . + $field->table . "_" . $field->name . "'" + ); + + if ($res) + { + $row = cubrid_fetch_array($res, CUBRID_NUM); + $F->primary_key = ($row[0] > 0 ? 1 : null); + } + else + { + $F->primary_key = null; + } + + if (is_resource($res)) + { + cubrid_close_request($res); + $this->result_id = FALSE; + } + + $retval[] = $F; + } + + return $retval; + } + + // -------------------------------------------------------------------- + + /** + * Free the result + * + * @return null + */ + function free_result() + { + if(is_resource($this->result_id) || + get_resource_type($this->result_id) == "Unknown" && + preg_match('/Resource id #/', strval($this->result_id))) + { + cubrid_close_request($this->result_id); + $this->result_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Data Seek + * + * Moves the internal pointer to the desired offset. We call + * this internally before fetching results to make sure the + * result set starts at zero + * + * @access private + * @return array + */ + function _data_seek($n = 0) + { + return cubrid_data_seek($this->result_id, $n); + } + + // -------------------------------------------------------------------- + + /** + * Result - associative array + * + * Returns the result set as an array + * + * @access private + * @return array + */ + function _fetch_assoc() + { + return cubrid_fetch_assoc($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Result - object + * + * Returns the result set as an object + * + * @access private + * @return object + */ + function _fetch_object() + { + return cubrid_fetch_object($this->result_id); + } + +} + + +/* End of file cubrid_result.php */ +/* Location: ./system/database/drivers/cubrid/cubrid_result.php */
\ No newline at end of file diff --git a/system/database/drivers/cubrid/cubrid_utility.php b/system/database/drivers/cubrid/cubrid_utility.php new file mode 100644 index 000000000..cd16d1e18 --- /dev/null +++ b/system/database/drivers/cubrid/cubrid_utility.php @@ -0,0 +1,108 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * @package CodeIgniter + * @author Esen Sagynov + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * CUBRID Utility Class + * + * @category Database + * @author Esen Sagynov + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_cubrid_utility extends CI_DB_utility { + + /** + * List databases + * + * @access private + * @return array + */ + function _list_databases() + { + // CUBRID does not allow to see the list of all databases on the + // server. It is the way its architecture is designed. Every + // database is independent and isolated. + // For this reason we can return only the name of the currect + // connected database. + if ($this->conn_id) + { + return "SELECT '" . $this->database . "'"; + } + else + { + return FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Optimize table query + * + * Generates a platform-specific query so that a table can be optimized + * + * @access private + * @param string the table name + * @return object + * @link http://www.cubrid.org/manual/840/en/Optimize%20Database + */ + function _optimize_table($table) + { + // No SQL based support in CUBRID as of version 8.4.0. Database or + // table optimization can be performed using CUBRID Manager + // database administration tool. See the link above for more info. + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Repair table query + * + * Generates a platform-specific query so that a table can be repaired + * + * @access private + * @param string the table name + * @return object + * @link http://www.cubrid.org/manual/840/en/Checking%20Database%20Consistency + */ + function _repair_table($table) + { + // Not supported in CUBRID as of version 8.4.0. Database or + // table consistency can be checked using CUBRID Manager + // database administration tool. See the link above for more info. + return FALSE; + } + + // -------------------------------------------------------------------- + /** + * CUBRID Export + * + * @access private + * @param array Preferences + * @return mixed + */ + function _backup($params = array()) + { + // No SQL based support in CUBRID as of version 8.4.0. Database or + // table backup can be performed using CUBRID Manager + // database administration tool. + return $this->db->display_error('db_unsuported_feature'); + } +} + +/* End of file cubrid_utility.php */ +/* Location: ./system/database/drivers/cubrid/cubrid_utility.php */
\ No newline at end of file diff --git a/system/database/drivers/cubrid/index.html b/system/database/drivers/cubrid/index.html new file mode 100644 index 000000000..c942a79ce --- /dev/null +++ b/system/database/drivers/cubrid/index.html @@ -0,0 +1,10 @@ +<html> +<head> + <title>403 Forbidden</title> +</head> +<body> + +<p>Directory access is forbidden.</p> + +</body> +</html>
\ No newline at end of file diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php index 65397ed8f..b39bd9360 100755 --- a/system/database/drivers/mssql/mssql_driver.php +++ b/system/database/drivers/mssql/mssql_driver.php @@ -367,6 +367,7 @@ class CI_DB_mssql_driver extends CI_DB { } $row = $query->row(); + $this->_reset_select(); return (int) $row->numrows; } diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index b7d547cc0..f87cfea4b 100755 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -54,6 +54,9 @@ class CI_DB_mysql_driver extends CI_DB { var $_count_string = 'SELECT COUNT(*) AS '; var $_random_keyword = ' RAND()'; // database specific random keyword + // whether SET NAMES must be used to set the character set + var $use_set_names; + /** * Non-persistent database connection * @@ -132,15 +135,13 @@ class CI_DB_mysql_driver extends CI_DB { */ function db_set_charset($charset, $collation) { - static $use_set_names; - - if ( ! isset($use_set_names)) + if ( ! isset($this->use_set_names)) { // mysql_set_charset() requires PHP >= 5.2.3 and MySQL >= 5.0.7, use SET NAMES as fallback - $use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE; + $this->use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE; } - if ($use_set_names) + if ($this->use_set_names === TRUE) { return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id); } @@ -384,6 +385,7 @@ class CI_DB_mysql_driver extends CI_DB { } $row = $query->row(); + $this->_reset_select(); return (int) $row->numrows; } @@ -439,7 +441,7 @@ class CI_DB_mysql_driver extends CI_DB { */ function _field_data($table) { - return "SELECT * FROM ".$table." LIMIT 1"; + return "DESCRIBE ".$table; } // -------------------------------------------------------------------- diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php index 507389603..e1a6e93ca 100755 --- a/system/database/drivers/mysql/mysql_result.php +++ b/system/database/drivers/mysql/mysql_result.php @@ -84,14 +84,19 @@ class CI_DB_mysql_result extends CI_DB_result { function field_data() { $retval = array(); - while ($field = mysql_fetch_field($this->result_id)) + while ($field = mysql_fetch_object($this->result_id)) { + preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches); + + $type = (array_key_exists(1, $matches)) ? $matches[1] : NULL; + $length = (array_key_exists(2, $matches)) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL; + $F = new stdClass(); - $F->name = $field->name; - $F->type = $field->type; - $F->default = $field->def; - $F->max_length = $field->max_length; - $F->primary_key = $field->primary_key; + $F->name = $field->Field; + $F->type = $type; + $F->default = $field->Default; + $F->max_length = $length; + $F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 ); $retval[] = $F; } diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php index e9747c540..48c4d6316 100755 --- a/system/database/drivers/mysql/mysql_utility.php +++ b/system/database/drivers/mysql/mysql_utility.php @@ -96,7 +96,7 @@ class CI_DB_mysql_utility extends CI_DB_utility { } // Get the table schema - $query = $this->db->query("SHOW CREATE TABLE `".$this->db->database.'`.'.$table); + $query = $this->db->query("SHOW CREATE TABLE `".$this->db->database.'`.`'.$table.'`'); // No result means the table name was invalid if ($query === FALSE) diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php index b8586c21d..d3200f328 100755 --- a/system/database/drivers/mysqli/mysqli_driver.php +++ b/system/database/drivers/mysqli/mysqli_driver.php @@ -54,6 +54,9 @@ class CI_DB_mysqli_driver extends CI_DB { */ var $delete_hack = TRUE; + // whether SET NAMES must be used to set the character set + var $use_set_names; + // -------------------------------------------------------------------- /** @@ -132,15 +135,13 @@ class CI_DB_mysqli_driver extends CI_DB { */ function _db_set_charset($charset, $collation) { - static $use_set_names; - - if ( ! isset($use_set_names)) + if ( ! isset($this->use_set_names)) { // mysqli_set_charset() requires MySQL >= 5.0.7, use SET NAMES as fallback - $use_set_names = (version_compare(mysqli_get_server_info($this->conn_id), '5.0.7', '>=')) ? FALSE : TRUE; + $this->use_set_names = (version_compare(mysqli_get_server_info($this->conn_id), '5.0.7', '>=')) ? FALSE : TRUE; } - if ($use_set_names) + if ($this->use_set_names === TRUE) { return @mysqli_query($this->conn_id, "SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'"); } @@ -385,6 +386,7 @@ class CI_DB_mysqli_driver extends CI_DB { } $row = $query->row(); + $this->_reset_select(); return (int) $row->numrows; } @@ -440,7 +442,7 @@ class CI_DB_mysqli_driver extends CI_DB { */ function _field_data($table) { - return "SELECT * FROM ".$table." LIMIT 1"; + return "DESCRIBE ".$table; } // -------------------------------------------------------------------- @@ -568,6 +570,25 @@ class CI_DB_mysqli_driver extends CI_DB { { return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values); } + + // -------------------------------------------------------------------- + + + /** + * Replace statement + * + * Generates a platform-specific replace string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _replace($table, $keys, $values) + { + return "REPLACE INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + } // -------------------------------------------------------------------- diff --git a/system/database/drivers/mysqli/mysqli_result.php b/system/database/drivers/mysqli/mysqli_result.php index c4d8f5d58..124d4e599 100755 --- a/system/database/drivers/mysqli/mysqli_result.php +++ b/system/database/drivers/mysqli/mysqli_result.php @@ -84,21 +84,26 @@ class CI_DB_mysqli_result extends CI_DB_result { function field_data() { $retval = array(); - while ($field = mysqli_fetch_field($this->result_id)) + while ($field = mysqli_fetch_object($this->result_id)) { + preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches); + + $type = (array_key_exists(1, $matches)) ? $matches[1] : NULL; + $length = (array_key_exists(2, $matches)) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL; + $F = new stdClass(); - $F->name = $field->name; - $F->type = $field->type; - $F->default = $field->def; - $F->max_length = $field->max_length; - $F->primary_key = ($field->flags & MYSQLI_PRI_KEY_FLAG) ? 1 : 0; + $F->name = $field->Field; + $F->type = $type; + $F->default = $field->Default; + $F->max_length = $length; + $F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 ); $retval[] = $F; } return $retval; } - + // -------------------------------------------------------------------- /** diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php index 14df104ff..930177e62 100755 --- a/system/database/drivers/oci8/oci8_driver.php +++ b/system/database/drivers/oci8/oci8_driver.php @@ -35,8 +35,6 @@ * This is a modification of the DB_driver class to * permit access to oracle databases * - * NOTE: this uses the PHP 4 oci methods - * * @author Kelly McArdle * */ @@ -77,9 +75,9 @@ class CI_DB_oci8_driver extends CI_DB { * @access private called by the base class * @return resource */ - function db_connect() + public function db_connect() { - return @ocilogon($this->username, $this->password, $this->hostname); + return @oci_connect($this->username, $this->password, $this->hostname, $this->char_set); } // -------------------------------------------------------------------- @@ -90,9 +88,9 @@ class CI_DB_oci8_driver extends CI_DB { * @access private called by the base class * @return resource */ - function db_pconnect() + public function db_pconnect() { - return @ociplogon($this->username, $this->password, $this->hostname); + return @oci_pconnect($this->username, $this->password, $this->hostname, $this->char_set); } // -------------------------------------------------------------------- @@ -106,9 +104,10 @@ class CI_DB_oci8_driver extends CI_DB { * @access public * @return void */ - function reconnect() + public function reconnect() { // not implemented in oracle + return; } // -------------------------------------------------------------------- @@ -119,8 +118,9 @@ class CI_DB_oci8_driver extends CI_DB { * @access private called by the base class * @return resource */ - function db_select() + public function db_select() { + // Not in Oracle - schemas are actually usernames return TRUE; } @@ -134,7 +134,7 @@ class CI_DB_oci8_driver extends CI_DB { * @param string * @return resource */ - function db_set_charset($charset, $collation) + public function db_set_charset($charset, $collation) { // @todo - add support if needed return TRUE; @@ -145,12 +145,12 @@ class CI_DB_oci8_driver extends CI_DB { /** * Version number query string * - * @access public + * @access protected * @return string */ - function _version() + protected function _version() { - return ociserverversion($this->conn_id); + return oci_server_version($this->conn_id); } // -------------------------------------------------------------------- @@ -158,18 +158,18 @@ class CI_DB_oci8_driver extends CI_DB { /** * Execute the query * - * @access private called by the base class + * @access protected called by the base class * @param string an SQL query * @return resource */ - function _execute($sql) + protected function _execute($sql) { // oracle must parse the query before it is run. All of the actions with // the query are based on the statement id returned by ociparse $this->stmt_id = FALSE; $this->_set_stmt_id($sql); - ocisetprefetch($this->stmt_id, 1000); - return @ociexecute($this->stmt_id, $this->_commit); + oci_set_prefetch($this->stmt_id, 1000); + return @oci_execute($this->stmt_id, $this->_commit); } /** @@ -179,11 +179,11 @@ class CI_DB_oci8_driver extends CI_DB { * @param string an SQL query * @return none */ - function _set_stmt_id($sql) + private function _set_stmt_id($sql) { if ( ! is_resource($this->stmt_id)) { - $this->stmt_id = ociparse($this->conn_id, $this->_prep_query($sql)); + $this->stmt_id = oci_parse($this->conn_id, $this->_prep_query($sql)); } } @@ -198,7 +198,7 @@ class CI_DB_oci8_driver extends CI_DB { * @param string an SQL query * @return string */ - function _prep_query($sql) + private function _prep_query($sql) { return $sql; } @@ -211,9 +211,9 @@ class CI_DB_oci8_driver extends CI_DB { * @access public * @return cursor id */ - function get_cursor() + public function get_cursor() { - $this->curs_id = ocinewcursor($this->conn_id); + $this->curs_id = oci_new_cursor($this->conn_id); return $this->curs_id; } @@ -237,7 +237,7 @@ class CI_DB_oci8_driver extends CI_DB { * type yes the type of the parameter * length yes the max size of the parameter */ - function stored_procedure($package, $procedure, $params) + public function stored_procedure($package, $procedure, $params) { if ($package == '' OR $procedure == '' OR ! is_array($params)) { @@ -257,7 +257,7 @@ class CI_DB_oci8_driver extends CI_DB { { $sql .= $param['name'] . ","; - if (array_key_exists('type', $param) && ($param['type'] == OCI_B_CURSOR)) + if (array_key_exists('type', $param) && ($param['type'] === OCI_B_CURSOR)) { $have_cursor = TRUE; } @@ -278,7 +278,7 @@ class CI_DB_oci8_driver extends CI_DB { * @access private * @return none */ - function _bind_params($params) + private function _bind_params($params) { if ( ! is_array($params) OR ! is_resource($this->stmt_id)) { @@ -295,7 +295,7 @@ class CI_DB_oci8_driver extends CI_DB { } } - ocibindbyname($this->stmt_id, $param['name'], $param['value'], $param['length'], $param['type']); + oci_bind_by_name($this->stmt_id, $param['name'], $param['value'], $param['length'], $param['type']); } } @@ -307,7 +307,7 @@ class CI_DB_oci8_driver extends CI_DB { * @access public * @return bool */ - function trans_begin($test_mode = FALSE) + public function trans_begin($test_mode = FALSE) { if ( ! $this->trans_enabled) { @@ -337,7 +337,7 @@ class CI_DB_oci8_driver extends CI_DB { * @access public * @return bool */ - function trans_commit() + public function trans_commit() { if ( ! $this->trans_enabled) { @@ -350,7 +350,7 @@ class CI_DB_oci8_driver extends CI_DB { return TRUE; } - $ret = OCIcommit($this->conn_id); + $ret = oci_commit($this->conn_id); $this->_commit = OCI_COMMIT_ON_SUCCESS; return $ret; } @@ -363,7 +363,7 @@ class CI_DB_oci8_driver extends CI_DB { * @access public * @return bool */ - function trans_rollback() + public function trans_rollback() { if ( ! $this->trans_enabled) { @@ -376,7 +376,7 @@ class CI_DB_oci8_driver extends CI_DB { return TRUE; } - $ret = OCIrollback($this->conn_id); + $ret = oci_rollback($this->conn_id); $this->_commit = OCI_COMMIT_ON_SUCCESS; return $ret; } @@ -391,7 +391,7 @@ class CI_DB_oci8_driver extends CI_DB { * @param bool whether or not the string will be used in a LIKE condition * @return string */ - function escape_str($str, $like = FALSE) + public function escape_str($str, $like = FALSE) { if (is_array($str)) { @@ -424,9 +424,9 @@ class CI_DB_oci8_driver extends CI_DB { * @access public * @return integer */ - function affected_rows() + public function affected_rows() { - return @ocirowcount($this->stmt_id); + return @oci_num_rows($this->stmt_id); } // -------------------------------------------------------------------- @@ -437,7 +437,7 @@ class CI_DB_oci8_driver extends CI_DB { * @access public * @return integer */ - function insert_id() + public function insert_id() { // not supported in oracle return $this->display_error('db_unsupported_function'); @@ -455,7 +455,7 @@ class CI_DB_oci8_driver extends CI_DB { * @param string * @return string */ - function count_all($table = '') + public function count_all($table = '') { if ($table == '') { @@ -470,6 +470,7 @@ class CI_DB_oci8_driver extends CI_DB { } $row = $query->row(); + $this->_reset_select(); return (int) $row->numrows; } @@ -480,11 +481,11 @@ class CI_DB_oci8_driver extends CI_DB { * * Generates a platform-specific query string so that the table names can be fetched * - * @access private + * @access protected * @param boolean - * @return string + * @return string */ - function _list_tables($prefix_limit = FALSE) + protected function _list_tables($prefix_limit = FALSE) { $sql = "SELECT TABLE_NAME FROM ALL_TABLES"; @@ -503,11 +504,11 @@ class CI_DB_oci8_driver extends CI_DB { * * Generates a platform-specific query string so that the column names can be fetched * - * @access public + * @access protected * @param string the table name * @return string */ - function _list_columns($table = '') + protected function _list_columns($table = '') { return "SELECT COLUMN_NAME FROM all_tab_columns WHERE table_name = '$table'"; } @@ -523,7 +524,7 @@ class CI_DB_oci8_driver extends CI_DB { * @param string the table name * @return object */ - function _field_data($table) + protected function _field_data($table) { return "SELECT * FROM ".$table." where rownum = 1"; } @@ -533,12 +534,13 @@ class CI_DB_oci8_driver extends CI_DB { /** * The error message string * - * @access private + * @access protected * @return string */ - function _error_message() + protected function _error_message() { - $error = ocierror($this->conn_id); + // If the error was during connection, no conn_id should be passed + $error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error(); return $error['message']; } @@ -547,12 +549,13 @@ class CI_DB_oci8_driver extends CI_DB { /** * The error message number * - * @access private + * @access protected * @return integer */ - function _error_number() + protected function _error_number() { - $error = ocierror($this->conn_id); + // Same as _error_message() + $error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error(); return $error['code']; } @@ -563,11 +566,11 @@ class CI_DB_oci8_driver extends CI_DB { * * This function escapes column and table names * - * @access private + * @access protected * @param string * @return string */ - function _escape_identifiers($item) + protected function _escape_identifiers($item) { if ($this->_escape_char == '') { @@ -606,11 +609,11 @@ class CI_DB_oci8_driver extends CI_DB { * This function implicitly groups FROM tables so there is no confusion * about operator precedence in harmony with SQL standards * - * @access public + * @access protected * @param type * @return type */ - function _from_tables($tables) + protected function _from_tables($tables) { if ( ! is_array($tables)) { @@ -633,9 +636,37 @@ class CI_DB_oci8_driver extends CI_DB { * @param array the insert values * @return string */ - function _insert($table, $keys, $values) + protected function _insert($table, $keys, $values) { - return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + /** + * Insert_batch statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access protected + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + protected function _insert_batch($table, $keys, $values) + { + $keys = implode(', ', $keys); + $sql = "INSERT ALL\n"; + + for ($i = 0, $c = count($values); $i < $c; $i++) + { + $sql .= ' INTO ' . $table . ' (' . $keys . ') VALUES ' . $values[$i] . "\n"; + } + + $sql .= 'SELECT * FROM dual'; + + return $sql; } // -------------------------------------------------------------------- @@ -645,7 +676,7 @@ class CI_DB_oci8_driver extends CI_DB { * * Generates a platform-specific update string from the supplied data * - * @access public + * @access protected * @param string the table name * @param array the update data * @param array the where clause @@ -653,7 +684,7 @@ class CI_DB_oci8_driver extends CI_DB { * @param array the limit clause * @return string */ - function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE) { foreach ($values as $key => $val) { @@ -682,11 +713,11 @@ class CI_DB_oci8_driver extends CI_DB { * If the database does not support the truncate() command * This function maps to "DELETE FROM table" * - * @access public + * @access protected * @param string the table name * @return string */ - function _truncate($table) + protected function _truncate($table) { return "TRUNCATE TABLE ".$table; } @@ -698,13 +729,13 @@ class CI_DB_oci8_driver extends CI_DB { * * Generates a platform-specific delete string from the supplied data * - * @access public + * @access protected * @param string the table name * @param array the where clause * @param string the limit clause * @return string */ - function _delete($table, $where = array(), $like = array(), $limit = FALSE) + protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) { $conditions = ''; @@ -732,13 +763,13 @@ class CI_DB_oci8_driver extends CI_DB { * * Generates a platform-specific LIMIT clause * - * @access public + * @access protected * @param string the sql query string * @param integer the number of rows to limit the query to * @param integer the offset value * @return string */ - function _limit($sql, $limit, $offset) + protected function _limit($sql, $limit, $offset) { $limit = $offset + $limit; $newsql = "SELECT * FROM (select inner_query.*, rownum rnum FROM ($sql) inner_query WHERE rownum < $limit)"; @@ -759,13 +790,13 @@ class CI_DB_oci8_driver extends CI_DB { /** * Close DB Connection * - * @access public + * @access protected * @param resource * @return void */ - function _close($conn_id) + protected function _close($conn_id) { - @ocilogoff($conn_id); + @oci_close($conn_id); } @@ -774,4 +805,4 @@ class CI_DB_oci8_driver extends CI_DB { /* End of file oci8_driver.php */ -/* Location: ./system/database/drivers/oci8/oci8_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/oci8/oci8_driver.php */ diff --git a/system/database/drivers/oci8/oci8_result.php b/system/database/drivers/oci8/oci8_result.php index 88531b436..ae133d7b5 100755 --- a/system/database/drivers/oci8/oci8_result.php +++ b/system/database/drivers/oci8/oci8_result.php @@ -40,14 +40,17 @@ class CI_DB_oci8_result extends CI_DB_result { * @access public * @return integer */ - function num_rows() + public function num_rows() { - $rowcount = count($this->result_array()); - @ociexecute($this->stmt_id); - - if ($this->curs_id) + if ($this->num_rows === 0 && count($this->result_array()) > 0) { - @ociexecute($this->curs_id); + $this->num_rows = count($this->result_array()); + @oci_execute($this->stmt_id); + + if ($this->curs_id) + { + @oci_execute($this->curs_id); + } } return $rowcount; @@ -61,9 +64,9 @@ class CI_DB_oci8_result extends CI_DB_result { * @access public * @return integer */ - function num_fields() + public function num_fields() { - $count = @ocinumcols($this->stmt_id); + $count = @oci_num_fields($this->stmt_id); // if we used a limit we subtract it if ($this->limit_used) @@ -84,13 +87,12 @@ class CI_DB_oci8_result extends CI_DB_result { * @access public * @return array */ - function list_fields() + public function list_fields() { $field_names = array(); - $fieldCount = $this->num_fields(); - for ($c = 1; $c <= $fieldCount; $c++) + for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++) { - $field_names[] = ocicolumnname($this->stmt_id, $c); + $field_names[] = oci_field_name($this->stmt_id, $c); } return $field_names; } @@ -105,16 +107,15 @@ class CI_DB_oci8_result extends CI_DB_result { * @access public * @return array */ - function field_data() + public function field_data() { $retval = array(); - $fieldCount = $this->num_fields(); - for ($c = 1; $c <= $fieldCount; $c++) + for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++) { - $F = new stdClass(); - $F->name = ocicolumnname($this->stmt_id, $c); - $F->type = ocicolumntype($this->stmt_id, $c); - $F->max_length = ocicolumnsize($this->stmt_id, $c); + $F = new stdClass(); + $F->name = oci_field_name($this->stmt_id, $c); + $F->type = oci_field_type($this->stmt_id, $c); + $F->max_length = oci_field_size($this->stmt_id, $c); $retval[] = $F; } @@ -129,11 +130,11 @@ class CI_DB_oci8_result extends CI_DB_result { * * @return null */ - function free_result() + public function free_result() { if (is_resource($this->result_id)) { - ocifreestatement($this->result_id); + oci_free_statement($this->result_id); $this->result_id = FALSE; } } @@ -145,14 +146,13 @@ class CI_DB_oci8_result extends CI_DB_result { * * Returns the result set as an array * - * @access private + * @access protected * @return array */ - function _fetch_assoc(&$row) + protected function _fetch_assoc() { $id = ($this->curs_id) ? $this->curs_id : $this->stmt_id; - - return ocifetchinto($id, $row, OCI_ASSOC + OCI_RETURN_NULLS); + return oci_fetch_assoc($id); } // -------------------------------------------------------------------- @@ -162,41 +162,13 @@ class CI_DB_oci8_result extends CI_DB_result { * * Returns the result set as an object * - * @access private + * @access protected * @return object */ - function _fetch_object() + protected function _fetch_object() { - $result = array(); - - // If PHP 5 is being used we can fetch an result object - if (function_exists('oci_fetch_object')) - { - $id = ($this->curs_id) ? $this->curs_id : $this->stmt_id; - - return @oci_fetch_object($id); - } - - // If PHP 4 is being used we have to build our own result - foreach ($this->result_array() as $key => $val) - { - $obj = new stdClass(); - if (is_array($val)) - { - foreach ($val as $k => $v) - { - $obj->$k = $v; - } - } - else - { - $obj->$key = $val; - } - - $result[] = $obj; - } - - return $result; + $id = ($this->curs_id) ? $this->curs_id : $this->stmt_id; + return @oci_fetch_object($id); } // -------------------------------------------------------------------- @@ -207,17 +179,15 @@ class CI_DB_oci8_result extends CI_DB_result { * @access public * @return array */ - function result_array() + public function result_array() { if (count($this->result_array) > 0) { return $this->result_array; } - // oracle's fetch functions do not return arrays. - // The information is returned in reference parameters $row = NULL; - while ($this->_fetch_assoc($row)) + while ($row = $this->_fetch_assoc()) { $this->result_array[] = $row; } @@ -234,10 +204,10 @@ class CI_DB_oci8_result extends CI_DB_result { * this internally before fetching results to make sure the * result set starts at zero * - * @access private + * @access protected * @return array */ - function _data_seek($n = 0) + protected function _data_seek($n = 0) { return FALSE; // Not needed } @@ -246,4 +216,4 @@ class CI_DB_oci8_result extends CI_DB_result { /* End of file oci8_result.php */ -/* Location: ./system/database/drivers/oci8/oci8_result.php */
\ No newline at end of file +/* Location: ./system/database/drivers/oci8/oci8_result.php */ diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php index 81e0d7cf2..bcd7937d9 100755 --- a/system/database/drivers/odbc/odbc_driver.php +++ b/system/database/drivers/odbc/odbc_driver.php @@ -48,9 +48,9 @@ class CI_DB_odbc_driver extends CI_DB { var $_random_keyword; - function CI_DB_odbc_driver($params) + function __construct($params) { - parent::CI_DB($params); + parent::__construct($params); $this->_random_keyword = ' RND('.time().')'; // database specific random keyword } @@ -339,6 +339,7 @@ class CI_DB_odbc_driver extends CI_DB { } $row = $query->row(); + $this->_reset_select(); return (int) $row->numrows; } diff --git a/system/database/drivers/pdo/index.html b/system/database/drivers/pdo/index.html new file mode 100644 index 000000000..c942a79ce --- /dev/null +++ b/system/database/drivers/pdo/index.html @@ -0,0 +1,10 @@ +<html> +<head> + <title>403 Forbidden</title> +</head> +<body> + +<p>Directory access is forbidden.</p> + +</body> +</html>
\ No newline at end of file diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php new file mode 100644 index 000000000..5de2079bb --- /dev/null +++ b/system/database/drivers/pdo/pdo_driver.php @@ -0,0 +1,803 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * @package CodeIgniter + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @author EllisLab Dev Team + * @link http://codeigniter.com + * @since Version 2.1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * PDO Database Adapter Class + * + * Note: _DB is an extender class that the app controller + * creates dynamically based on whether the active record + * 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_driver extends CI_DB { + + var $dbdriver = 'pdo'; + + // the character used to excape - not necessary for PDO + var $_escape_char = ''; + var $_like_escape_str; + var $_like_escape_chr; + + + /** + * The syntax to count rows is slightly different across different + * database engines, so this string appears in each driver and is + * used for the count_all() and count_all_results() functions. + */ + var $_count_string = "SELECT COUNT(*) AS "; + var $_random_keyword; + + var $options = array(); + + function __construct($params) + { + parent::__construct($params); + + // clause and character used for LIKE escape sequences + if (strpos($this->hostname, 'mysql') !== FALSE) + { + $this->_like_escape_str = ''; + $this->_like_escape_chr = ''; + + //Prior to this version, the charset can't be set in the dsn + if(is_php('5.3.6')) + { + $this->hostname .= ";charset={$this->char_set}"; + } + + //Set the charset with the connection options + $this->options['PDO::MYSQL_ATTR_INIT_COMMAND'] = "SET NAMES {$this->char_set}"; + } + else if (strpos($this->hostname, 'odbc') !== FALSE) + { + $this->_like_escape_str = " {escape '%s'} "; + $this->_like_escape_chr = '!'; + } + else + { + $this->_like_escape_str = " ESCAPE '%s' "; + $this->_like_escape_chr = '!'; + } + + $this->hostname .= ";dbname=".$this->database; + + $this->trans_enabled = FALSE; + + $this->_random_keyword = ' RND('.time().')'; // database specific random keyword + } + + /** + * Non-persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_connect() + { + $this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT; + + return new PDO($this->hostname, $this->username, $this->password, $this->options); + } + + // -------------------------------------------------------------------- + + /** + * Persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_pconnect() + { + $this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT; + $this->options['PDO::ATTR_PERSISTENT'] = TRUE; + + return new PDO($this->hostname, $this->username, $this->password, $this->options); + } + + // -------------------------------------------------------------------- + + /** + * Reconnect + * + * Keep / reestablish the db connection if no queries have been + * sent for a length of time exceeding the server's idle timeout + * + * @access public + * @return void + */ + function reconnect() + { + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Select the database + * + * @access private called by the base class + * @return resource + */ + function db_select() + { + // Not needed for PDO + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Set client character set + * + * @access public + * @param string + * @param string + * @return resource + */ + function db_set_charset($charset, $collation) + { + // @todo - add support if needed + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + return $this->conn_id->getAttribute(PDO::ATTR_CLIENT_VERSION); + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * @access private called by the base class + * @param string an SQL query + * @return object + */ + function _execute($sql) + { + $sql = $this->_prep_query($sql); + $result_id = $this->conn_id->query($sql); + + if (is_object($result_id)) + { + $this->affect_rows = $result_id->rowCount(); + } + else + { + $this->affect_rows = 0; + } + + return $result_id; + } + + // -------------------------------------------------------------------- + + /** + * Prep the query + * + * If needed, each database adapter can prep the query string + * + * @access private called by execute() + * @param string an SQL query + * @return string + */ + function _prep_query($sql) + { + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Begin Transaction + * + * @access public + * @return bool + */ + function trans_begin($test_mode = FALSE) + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + // Reset the transaction failure flag. + // If the $test_mode flag is set to TRUE transactions will be rolled back + // even if the queries produce a successful result. + $this->_trans_failure = (bool) ($test_mode === TRUE); + + return $this->conn_id->beginTransaction(); + } + + // -------------------------------------------------------------------- + + /** + * Commit Transaction + * + * @access public + * @return bool + */ + function trans_commit() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + $ret = $this->conn->commit(); + return $ret; + } + + // -------------------------------------------------------------------- + + /** + * Rollback Transaction + * + * @access public + * @return bool + */ + function trans_rollback() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + $ret = $this->conn_id->rollBack(); + return $ret; + } + + // -------------------------------------------------------------------- + + /** + * Escape String + * + * @access public + * @param string + * @param bool whether or not the string will be used in a LIKE condition + * @return string + */ + function escape_str($str, $like = FALSE) + { + if (is_array($str)) + { + foreach ($str as $key => $val) + { + $str[$key] = $this->escape_str($val, $like); + } + + return $str; + } + + //Escape the string + $str = $this->conn_id->quote($str); + + //If there are duplicated quotes, trim them away + if (strpos($str, "'") === 0) + { + $str = substr($str, 1, -1); + } + + // escape LIKE condition wildcards + if ($like === TRUE) + { + $str = str_replace( array('%', '_', $this->_like_escape_chr), + array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr), + $str); + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Affected Rows + * + * @access public + * @return integer + */ + function affected_rows() + { + return $this->affect_rows; + } + + // -------------------------------------------------------------------- + + /** + * Insert ID + * + * @access public + * @return integer + */ + function insert_id($name=NULL) + { + //Convenience method for postgres insertid + if (strpos($this->hostname, 'pgsql') !== FALSE) + { + $v = $this->_version(); + + $table = func_num_args() > 0 ? func_get_arg(0) : NULL; + + if ($table == NULL && $v >= '8.1') + { + $sql='SELECT LASTVAL() as ins_id'; + } + $query = $this->query($sql); + $row = $query->row(); + return $row->ins_id; + } + else + { + return $this->conn_id->lastInsertId($name); + } + } + + // -------------------------------------------------------------------- + + /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified database + * + * @access public + * @param string + * @return string + */ + function count_all($table = '') + { + if ($table == '') + { + return 0; + } + + $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE)); + + if ($query->num_rows() == 0) + { + return 0; + } + + $row = $query->row(); + $this->_reset_select(); + return (int) $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * Show table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access private + * @param boolean + * @return string + */ + function _list_tables($prefix_limit = FALSE) + { + $sql = "SHOW TABLES FROM `".$this->database."`"; + + if ($prefix_limit !== FALSE AND $this->dbprefix != '') + { + //$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); + return FALSE; // not currently supported + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Show column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access public + * @param string the table name + * @return string + */ + function _list_columns($table = '') + { + return "SHOW COLUMNS FROM ".$table; + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + return "SELECT TOP 1 FROM ".$table; + } + + // -------------------------------------------------------------------- + + /** + * The error message string + * + * @access private + * @return string + */ + function _error_message() + { + $error_array = $this->conn_id->errorInfo(); + return $error_array[2]; + } + + // -------------------------------------------------------------------- + + /** + * The error message number + * + * @access private + * @return integer + */ + function _error_number() + { + return $this->conn_id->errorCode(); + } + + // -------------------------------------------------------------------- + + /** + * Escape the SQL Identifiers + * + * This function escapes column and table names + * + * @access private + * @param string + * @return string + */ + function _escape_identifiers($item) + { + if ($this->_escape_char == '') + { + return $item; + } + + foreach ($this->_reserved_identifiers as $id) + { + if (strpos($item, '.'.$id) !== FALSE) + { + $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + } + + if (strpos($item, '.') !== FALSE) + { + $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; + + } + else + { + $str = $this->_escape_char.$item.$this->_escape_char; + } + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @access public + * @param type + * @return type + */ + function _from_tables($tables) + { + if ( ! is_array($tables)) + { + $tables = array($tables); + } + + return (count($tables) == 1) ? $tables[0] : '('.implode(', ', $tables).')'; + } + + // -------------------------------------------------------------------- + + /** + * Insert statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert($table, $keys, $values) + { + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + /** + * Insert_batch statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert_batch($table, $keys, $values) + { + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values); + } + + // -------------------------------------------------------------------- + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause + * @return string + */ + function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + { + foreach ($values as $key => $val) + { + $valstr[] = $key." = ".$val; + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; + + $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); + + $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; + + $sql .= $orderby.$limit; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Update_Batch statement + * + * Generates a platform-specific batch update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @return string + */ + function _update_batch($table, $values, $index, $where = NULL) + { + $ids = array(); + $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : ''; + + foreach ($values as $key => $val) + { + $ids[] = $val[$index]; + + foreach (array_keys($val) as $field) + { + if ($field != $index) + { + $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; + } + } + } + + $sql = "UPDATE ".$table." SET "; + $cases = ''; + + foreach ($final as $k => $v) + { + $cases .= $k.' = CASE '."\n"; + foreach ($v as $row) + { + $cases .= $row."\n"; + } + + $cases .= 'ELSE '.$k.' END, '; + } + + $sql .= substr($cases, 0, -2); + + $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')'; + + return $sql; + } + + + // -------------------------------------------------------------------- + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * If the database does not support the truncate() command + * This function maps to "DELETE FROM table" + * + * @access public + * @param string the table name + * @return string + */ + function _truncate($table) + { + return $this->_delete($table); + } + + // -------------------------------------------------------------------- + + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @access public + * @param string the table name + * @param array the where clause + * @param string the limit clause + * @return string + */ + function _delete($table, $where = array(), $like = array(), $limit = FALSE) + { + $conditions = ''; + + if (count($where) > 0 OR count($like) > 0) + { + $conditions = "\nWHERE "; + $conditions .= implode("\n", $this->ar_where); + + if (count($where) > 0 && count($like) > 0) + { + $conditions .= " AND "; + } + $conditions .= implode("\n", $like); + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + return "DELETE FROM ".$table.$conditions.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @access public + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + function _limit($sql, $limit, $offset) + { + if (strpos($this->hostname, 'cubrid') !== FALSE || strpos($this->hostname, 'sqlite') !== FALSE) + { + if ($offset == 0) + { + $offset = ''; + } + else + { + $offset .= ", "; + } + + return $sql."LIMIT ".$offset.$limit; + } + else + { + $sql .= "LIMIT ".$limit; + + if ($offset > 0) + { + $sql .= " OFFSET ".$offset; + } + + return $sql; + } + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access public + * @param resource + * @return void + */ + function _close($conn_id) + { + $this->conn_id = null; + } + + +} + + + +/* End of file pdo_driver.php */ +/* Location: ./system/database/drivers/pdo/pdo_driver.php */
\ No newline at end of file diff --git a/system/database/drivers/pdo/pdo_forge.php b/system/database/drivers/pdo/pdo_forge.php new file mode 100644 index 000000000..1462e8c21 --- /dev/null +++ b/system/database/drivers/pdo/pdo_forge.php @@ -0,0 +1,266 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * @package CodeIgniter + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @author EllisLab Dev Team + * @link http://codeigniter.com + * @since Version 2.1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * PDO Forge Class + * + * @category Database + * @author EllisLab Dev Team + * @link http://codeigniter.com/database/ + */ +class CI_DB_pdo_forge extends CI_DB_forge { + + /** + * Create database + * + * @access private + * @param string the database name + * @return bool + */ + function _create_database() + { + // PDO has no "create database" command since it's + // designed to connect to an existing database + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Drop database + * + * @access private + * @param string the database name + * @return bool + */ + function _drop_database($name) + { + // PDO has no "drop database" command since it's + // designed to connect to an existing database + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Create Table + * + * @access private + * @param string the table name + * @param array the fields + * @param mixed primary key(s) + * @param mixed key(s) + * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @return bool + */ + function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + { + $sql = 'CREATE TABLE '; + + if ($if_not_exists === TRUE) + { + $sql .= 'IF NOT EXISTS '; + } + + $sql .= $this->db->_escape_identifiers($table)." ("; + $current_field_count = 0; + + foreach ($fields as $field=>$attributes) + { + // Numeric field names aren't allowed in databases, so if the key is + // numeric, we know it was assigned by PHP and the developer manually + // entered the field information, so we'll simply add it to the list + if (is_numeric($field)) + { + $sql .= "\n\t$attributes"; + } + else + { + $attributes = array_change_key_case($attributes, CASE_UPPER); + + $sql .= "\n\t".$this->db->_protect_identifiers($field); + + $sql .= ' '.$attributes['TYPE']; + + if (array_key_exists('CONSTRAINT', $attributes)) + { + $sql .= '('.$attributes['CONSTRAINT'].')'; + } + + if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) + { + $sql .= ' UNSIGNED'; + } + + if (array_key_exists('DEFAULT', $attributes)) + { + $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; + } + + if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) + { + $sql .= ' AUTO_INCREMENT'; + } + } + + // don't add a comma on the end of the last field + if (++$current_field_count < count($fields)) + { + $sql .= ','; + } + } + + if (count($primary_keys) > 0) + { + $primary_keys = $this->db->_protect_identifiers($primary_keys); + $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")"; + } + + if (is_array($keys) && count($keys) > 0) + { + foreach ($keys as $key) + { + if (is_array($key)) + { + $key = $this->db->_protect_identifiers($key); + } + else + { + $key = array($this->db->_protect_identifiers($key)); + } + + $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")"; + } + } + + $sql .= "\n)"; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Drop Table + * + * @access private + * @return bool + */ + function _drop_table($table) + { + // Not a supported PDO feature + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Alter table query + * + * Generates a platform-specific query so that a table can be altered + * Called by add_column(), drop_column(), and column_alter(), + * + * @access private + * @param string the ALTER type (ADD, DROP, CHANGE) + * @param string the column name + * @param string the table name + * @param string the column definition + * @param string the default value + * @param boolean should 'NOT NULL' be added + * @param string the field after which we should add the new field + * @return object + */ + function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name); + + // DROP has everything it needs now. + if ($alter_type == 'DROP') + { + return $sql; + } + + $sql .= " $column_definition"; + + if ($default_value != '') + { + $sql .= " DEFAULT \"$default_value\""; + } + + if ($null === NULL) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if ($after_field != '') + { + $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); + } + + return $sql; + + } + + + // -------------------------------------------------------------------- + + /** + * Rename a table + * + * Generates a platform-specific query so that a table can be renamed + * + * @access private + * @param string the old table name + * @param string the new table name + * @return string + */ + function _rename_table($table_name, $new_table_name) + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name); + return $sql; + } + + +} + +/* End of file pdo_forge.php */ +/* Location: ./system/database/drivers/pdo/pdo_forge.php */
\ No newline at end of file diff --git a/system/database/drivers/pdo/pdo_result.php b/system/database/drivers/pdo/pdo_result.php new file mode 100644 index 000000000..7f3058ff0 --- /dev/null +++ b/system/database/drivers/pdo/pdo_result.php @@ -0,0 +1,171 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * @package CodeIgniter + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @author EllisLab Dev Team + * @link http://codeigniter.com + * @since Version 2.1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * PDO Result Class + * + * This class extends the parent result class: CI_DB_result + * + * @category Database + * @author EllisLab Dev Team + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_pdo_result extends CI_DB_result { + + /** + * Number of rows in the result set + * + * @access public + * @return integer + */ + function num_rows() + { + return $this->result_id->rowCount(); + } + + // -------------------------------------------------------------------- + + /** + * Number of fields in the result set + * + * @access public + * @return integer + */ + function num_fields() + { + return $this->result_id->columnCount(); + } + + // -------------------------------------------------------------------- + + /** + * Fetch Field Names + * + * Generates an array of column names + * + * @access public + * @return array + */ + function list_fields() + { + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Field data + * + * Generates an array of objects containing field meta-data + * + * @access public + * @return array + */ + function field_data() + { + $data = array(); + + try + { + for($i = 0; $i < $this->num_fields(); $i++) + { + $data[] = $this->result_id->getColumnMeta($i); + } + + return $data; + } + catch (Exception $e) + { + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Free the result + * + * @return null + */ + function free_result() + { + if (is_object($this->result_id)) + { + $this->result_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Data Seek + * + * Moves the internal pointer to the desired offset. We call + * this internally before fetching results to make sure the + * result set starts at zero + * + * @access private + * @return array + */ + function _data_seek($n = 0) + { + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Result - associative array + * + * Returns the result set as an array + * + * @access private + * @return array + */ + function _fetch_assoc() + { + return $this->result_id->fetch(PDO::FETCH_ASSOC); + } + + // -------------------------------------------------------------------- + + /** + * Result - object + * + * Returns the result set as an object + * + * @access private + * @return object + */ + function _fetch_object() + { + return $this->result_id->fetchObject(); + } + +} + + +/* End of file pdo_result.php */ +/* Location: ./system/database/drivers/pdo/pdo_result.php */
\ No newline at end of file diff --git a/system/database/drivers/pdo/pdo_utility.php b/system/database/drivers/pdo/pdo_utility.php new file mode 100644 index 000000000..29aefca80 --- /dev/null +++ b/system/database/drivers/pdo/pdo_utility.php @@ -0,0 +1,103 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * @package CodeIgniter + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @author EllisLab Dev Team + * @link http://codeigniter.com + * @since Version 2.1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * PDO Utility Class + * + * @category Database + * @author EllisLab Dev Team + * @link http://codeigniter.com/database/ + */ +class CI_DB_pdo_utility extends CI_DB_utility { + + /** + * List databases + * + * @access private + * @return bool + */ + function _list_databases() + { + // Not sure if PDO lets you list all databases... + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Optimize table query + * + * Generates a platform-specific query so that a table can be optimized + * + * @access private + * @param string the table name + * @return object + */ + function _optimize_table($table) + { + // Not a supported PDO feature + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Repair table query + * + * Generates a platform-specific query so that a table can be repaired + * + * @access private + * @param string the table name + * @return object + */ + function _repair_table($table) + { + // Not a supported PDO feature + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * PDO Export + * + * @access private + * @param array Preferences + * @return mixed + */ + function _backup($params = array()) + { + // Currently unsupported + return $this->db->display_error('db_unsuported_feature'); + } + +} + +/* End of file pdo_utility.php */ +/* Location: ./system/database/drivers/pdo/pdo_utility.php */
\ No newline at end of file diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php index 140396885..5367f9759 100755 --- a/system/database/drivers/postgre/postgre_driver.php +++ b/system/database/drivers/postgre/postgre_driver.php @@ -385,6 +385,7 @@ class CI_DB_postgre_driver extends CI_DB { } $row = $query->row(); + $this->_reset_select(); return (int) $row->numrows; } diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php index eb4e585b3..0cc898b38 100755 --- a/system/database/drivers/sqlite/sqlite_driver.php +++ b/system/database/drivers/sqlite/sqlite_driver.php @@ -354,6 +354,7 @@ class CI_DB_sqlite_driver extends CI_DB { } $row = $query->row(); + $this->_reset_select(); return (int) $row->numrows; } diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php index 1d32792ce..400fd31c6 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_driver.php +++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php @@ -344,6 +344,7 @@ class CI_DB_sqlsrv_driver extends CI_DB { return '0'; $row = $query->row(); + $this->_reset_select(); return $row->numrows; } |