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authorEric Roberts <eric@cryode.com>2012-12-12 14:02:11 +0100
committerEric Roberts <eric@cryode.com>2012-12-12 14:02:11 +0100
commitb9e35f21e1c70b6aa67c47e9244ed83195abc00a (patch)
tree64f82db362deeac48cc20d1d1afd80651f36f5a5 /system/database/drivers/odbc
parent0b05705c52c3bca7f9b3aee657c888e8ad1ff422 (diff)
parent545a7c86701875e1412bcde316e9bcc76d9a23a0 (diff)
Merge branch 'refs/heads/develop' into feature/form_error_msgs
Conflicts: system/language/english/form_validation_lang.php user_guide_src/source/libraries/form_validation.rst Signed-off-by: Eric Roberts <eric@cryode.com>
Diffstat (limited to 'system/database/drivers/odbc')
-rw-r--r--system/database/drivers/odbc/odbc_driver.php180
-rw-r--r--system/database/drivers/odbc/odbc_forge.php169
-rw-r--r--system/database/drivers/odbc/odbc_result.php177
-rw-r--r--system/database/drivers/odbc/odbc_utility.php11
4 files changed, 173 insertions, 364 deletions
diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php
index 38416cf90..29b2281cc 100644
--- a/system/database/drivers/odbc/odbc_driver.php
+++ b/system/database/drivers/odbc/odbc_driver.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
@@ -24,12 +24,13 @@
* @since Version 1.0
* @filesource
*/
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* ODBC Database Adapter Class
*
* Note: _DB is an extender class that the app controller
- * creates dynamically based on whether the active record
+ * creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
@@ -40,36 +41,66 @@
*/
class CI_DB_odbc_driver extends CI_DB {
+ /**
+ * Database driver
+ *
+ * @var string
+ */
public $dbdriver = 'odbc';
- // the character used to excape - not necessary for ODBC
+ /**
+ * Database schema
+ *
+ * @var string
+ */
+ public $schema = 'public';
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Identifier escape character
+ *
+ * Must be empty for ODBC.
+ *
+ * @var string
+ */
protected $_escape_char = '';
- // clause and character used for LIKE escape sequences
+ /**
+ * ESCAPE statement string
+ *
+ * @var string
+ */
protected $_like_escape_str = " {escape '%s'} ";
- protected $_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.
+ * ORDER BY random keyword
+ *
+ * @var array
*/
- protected $_count_string = 'SELECT COUNT(*) AS ';
- protected $_random_keyword;
+ protected $_random_keyword = array('RND()', 'RND(%d)');
+
+ // --------------------------------------------------------------------
+ /**
+ * Class constructor
+ *
+ * @param array $params
+ * @return void
+ */
public function __construct($params)
{
parent::__construct($params);
- $this->_random_keyword = ' RND('.time().')'; // database specific random keyword
-
// Legacy support for DSN in the hostname field
- if ($this->dsn == '')
+ if (empty($this->dsn))
{
$this->dsn = $this->hostname;
}
}
+ // --------------------------------------------------------------------
+
/**
* Non-persistent database connection
*
@@ -97,7 +128,7 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Execute the query
*
- * @param string an SQL query
+ * @param string $sql an SQL query
* @return resource
*/
protected function _execute($sql)
@@ -110,17 +141,13 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Begin Transaction
*
+ * @param bool $test_mode
* @return bool
*/
public function trans_begin($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)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -128,7 +155,7 @@ class CI_DB_odbc_driver extends CI_DB {
// 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;
+ $this->_trans_failure = ($test_mode === TRUE);
return odbc_autocommit($this->conn_id, FALSE);
}
@@ -142,13 +169,8 @@ class CI_DB_odbc_driver extends CI_DB {
*/
public 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)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -167,13 +189,8 @@ class CI_DB_odbc_driver extends CI_DB {
*/
public 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)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -188,8 +205,8 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Escape String
*
- * @param string
- * @param bool whether or not the string will be used in a LIKE condition
+ * @param string $str
+ * @param bool $like Whether or not the string will be used in a LIKE condition
* @return string
*/
public function escape_str($str, $like = FALSE)
@@ -204,7 +221,6 @@ class CI_DB_odbc_driver extends CI_DB {
return $str;
}
- // ODBC doesn't require escaping
$str = remove_invisible_characters($str);
// escape LIKE condition wildcards
@@ -239,37 +255,7 @@ class CI_DB_odbc_driver extends CI_DB {
*/
public function insert_id()
{
- return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * "Count All" query
- *
- * Generates a platform-specific query string that counts all records in
- * the specified database
- *
- * @param string
- * @return string
- */
- public function count_all($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) $row->numrows;
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsupported_feature') : FALSE;
}
// --------------------------------------------------------------------
@@ -279,17 +265,17 @@ class CI_DB_odbc_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @param bool
+ * @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
- $sql = "SHOW TABLES FROM `".$this->database."`";
+ $sql = "SELECT table_name FROM information_schema.tables WHERE table_schema = '".$this->schema."'";
- if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
- //$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
- return FALSE; // not currently supported
+ return $sql." AND table_name LIKE '".$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
@@ -302,12 +288,12 @@ class CI_DB_odbc_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @param string the table name
+ * @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
- return "SHOW COLUMNS FROM ".$table;
+ return 'SHOW COLUMNS FROM '.$table;
}
// --------------------------------------------------------------------
@@ -317,12 +303,12 @@ class CI_DB_odbc_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @param string the table name
+ * @param string $table
* @return string
*/
protected function _field_data($table)
{
- return "SELECT TOP 1 FROM ".$table;
+ return 'SELECT TOP 1 FROM '.$table;
}
// --------------------------------------------------------------------
@@ -343,22 +329,19 @@ class CI_DB_odbc_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * From Tables
+ * Update statement
*
- * This function implicitly groups FROM tables so there is no confusion
- * about operator precedence in harmony with SQL standards
+ * Generates a platform-specific update string from the supplied data
*
- * @param array
+ * @param string $table
+ * @param array $values
* @return string
*/
- protected function _from_tables($tables)
+ protected function _update($table, $values)
{
- if ( ! is_array($tables))
- {
- $tables = array($tables);
- }
-
- return '('.implode(', ', $tables).')';
+ $this->qb_limit = FALSE;
+ $this->qb_orderby = array();
+ return parent::_update($table, $values);
}
// --------------------------------------------------------------------
@@ -368,10 +351,10 @@ class CI_DB_odbc_driver extends CI_DB {
*
* Generates a platform-specific truncate string from the supplied data
*
- * If the database does not support the truncate() command,
+ * If the database does not support the TRUNCATE statement,
* then this method maps to 'DELETE FROM table'
*
- * @param string the table name
+ * @param string $table
* @return string
*/
protected function _truncate($table)
@@ -382,19 +365,17 @@ class CI_DB_odbc_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Limit string
+ * Delete statement
*
- * Generates a platform-specific LIMIT clause
+ * Generates a platform-specific delete string from the supplied data
*
- * @param string the sql query string
- * @param int the number of rows to limit the query to
- * @param int the offset value
+ * @param string $table
* @return string
*/
- protected function _limit($sql, $limit, $offset)
+ protected function _delete($table)
{
- // Does ODBC doesn't use the LIMIT clause?
- return $sql;
+ $this->qb_limit = FALSE;
+ return parent::_delete($table);
}
// --------------------------------------------------------------------
@@ -402,12 +383,11 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Close DB Connection
*
- * @param resource
* @return void
*/
- protected function _close($conn_id)
+ protected function _close()
{
- @odbc_close($conn_id);
+ @odbc_close($this->conn_id);
}
}
diff --git a/system/database/drivers/odbc/odbc_forge.php b/system/database/drivers/odbc/odbc_forge.php
index d59b8a911..fb16ca5cf 100644
--- a/system/database/drivers/odbc/odbc_forge.php
+++ b/system/database/drivers/odbc/odbc_forge.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
@@ -24,6 +24,7 @@
* @since Version 1.0
* @filesource
*/
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* ODBC Forge Class
@@ -34,163 +35,39 @@
*/
class CI_DB_odbc_forge extends CI_DB_forge {
- protected $_drop_database = 'DROP DATABASE %s';
- protected $_drop_table = 'DROP TABLE %s';
-
/**
- * Create Table
+ * CREATE TABLE IF statement
*
- * @param string the table name
- * @param array the fields
- * @param mixed primary key(s)
- * @param mixed key(s)
- * @param bool should 'IF NOT EXISTS' be added to the SQL
- * @return bool
+ * @var string
*/
- protected function _create_table($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) . ")";
- }
- }
+ protected $_create_table_if = FALSE;
- $sql .= "\n)";
+ /**
+ * DROP TABLE IF statement
+ *
+ * @var string
+ */
+ protected $_drop_table_if = FALSE;
- return $sql;
- }
+ /**
+ * UNSIGNED support
+ *
+ * @var bool|array
+ */
+ protected $_unsigned = FALSE;
// --------------------------------------------------------------------
/**
- * Alter table query
- *
- * Generates a platform-specific query so that a table can be altered
- * Called by add_column(), drop_column(), and column_alter(),
+ * Field attribute AUTO_INCREMENT
*
- * @param string the ALTER type (ADD, DROP, CHANGE)
- * @param string the column name
- * @param string the table name
- * @param string the column definition
- * @param string the default value
- * @param bool should 'NOT NULL' be added
- * @param string the field after which we should add the new field
- * @return string
+ * @param array &$attributes
+ * @param array &$field
+ * @return void
*/
- protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ protected function _attr_auto_increment(&$attributes, &$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 != '')
- {
- return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
- }
-
- return $sql;
-
+ // Not supported (in most databases at least)
}
}
diff --git a/system/database/drivers/odbc/odbc_result.php b/system/database/drivers/odbc/odbc_result.php
index ecba5977e..2c50c255b 100644
--- a/system/database/drivers/odbc/odbc_result.php
+++ b/system/database/drivers/odbc/odbc_result.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
@@ -24,6 +24,7 @@
* @since Version 1.0
* @filesource
*/
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* ODBC Result Class
@@ -33,11 +34,10 @@
* @category Database
* @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
+ * @since 1.3
*/
class CI_DB_odbc_result extends CI_DB_result {
- public $num_rows;
-
/**
* Number of rows in the result set
*
@@ -49,14 +49,22 @@ class CI_DB_odbc_result extends CI_DB_result {
{
return $this->num_rows;
}
+ elseif (($this->num_rows = @odbc_num_rows($this->result_id)) !== -1)
+ {
+ return $this->num_rows;
+ }
// Work-around for ODBC subdrivers that don't support num_rows()
- if (($this->num_rows = @odbc_num_rows($this->result_id)) === -1)
+ if (count($this->result_array) > 0)
{
- $this->num_rows = count($this->result_array());
+ return $this->num_rows = count($this->result_array);
+ }
+ elseif (count($this->result_object) > 0)
+ {
+ return $this->num_rows = count($this->result_object);
}
- return $this->num_rows;
+ return $this->num_rows = count($this->result_array());
}
// --------------------------------------------------------------------
@@ -148,14 +156,7 @@ class CI_DB_odbc_result extends CI_DB_result {
*/
protected function _fetch_assoc()
{
- if (function_exists('odbc_fetch_array'))
- {
- return odbc_fetch_array($this->result_id);
- }
- else
- {
- return $this->_odbc_fetch_array($this->result_id);
- }
+ return odbc_fetch_array($this->result_id);
}
// --------------------------------------------------------------------
@@ -165,141 +166,93 @@ class CI_DB_odbc_result extends CI_DB_result {
*
* Returns the result set as an object
*
+ * @param string $class_name
* @return object
*/
- protected function _fetch_object()
+ protected function _fetch_object($class_name = 'stdClass')
{
- if (function_exists('odbc_fetch_object'))
- {
- return odbc_fetch_object($this->result_id);
- }
- else
+ $row = odbc_fetch_object($this->result_id);
+
+ if ($class_name === 'stdClass' OR ! $row)
{
- return $this->_odbc_fetch_object($this->result_id);
+ return $row;
}
- }
-
- // --------------------------------------------------------------------
- /**
- * Result - object
- *
- * subsititutes the odbc_fetch_object function when
- * not available (odbc_fetch_object requires unixODBC)
- *
- * @return object
- */
- protected function _odbc_fetch_object(& $odbc_result)
- {
- $rs = array();
- $rs_obj = FALSE;
- if (odbc_fetch_into($odbc_result, $rs))
+ $class_name = new $class_name();
+ foreach ($row as $key => $value)
{
- foreach ($rs as $k => $v)
- {
- $field_name = odbc_field_name($odbc_result, $k+1);
- $rs_obj->$field_name = $v;
- }
+ $class_name->$key = $value;
}
- return $rs_obj;
+
+ return $class_name;
}
- // --------------------------------------------------------------------
+}
+
+// --------------------------------------------------------------------
+if ( ! function_exists('odbc_fetch_array'))
+{
/**
- * Result - array
+ * ODBC Fetch array
*
- * subsititutes the odbc_fetch_array function when
- * not available (odbc_fetch_array requires unixODBC)
+ * Emulates the native odbc_fetch_array() function when
+ * it is not available (odbc_fetch_array() requires unixODBC)
*
+ * @param resource &$result
+ * @param int $rownumber
* @return array
*/
- protected function _odbc_fetch_array(& $odbc_result)
+ function odbc_fetch_array(&$result, $rownumber = 1)
{
$rs = array();
- $rs_assoc = FALSE;
- if (odbc_fetch_into($odbc_result, $rs))
+ if ( ! odbc_fetch_into($result, $rs, $rownumber))
{
- $rs_assoc = array();
- foreach ($rs as $k => $v)
- {
- $field_name = odbc_field_name($odbc_result, $k+1);
- $rs_assoc[$field_name] = $v;
- }
+ return FALSE;
}
- return $rs_assoc;
- }
- // --------------------------------------------------------------------
-
- /**
- * Query result. Array version.
- *
- * @return array
- */
- public function result_array()
- {
- if (count($this->result_array) > 0)
- {
- return $this->result_array;
- }
- elseif (($c = count($this->result_object)) > 0)
- {
- for ($i = 0; $i < $c; $i++)
- {
- $this->result_array[$i] = (array) $this->result_object[$i];
- }
- }
- elseif ($this->result_id === FALSE)
+ $rs_assoc = array();
+ foreach ($rs as $k => $v)
{
- return array();
- }
- else
- {
- while ($row = $this->_fetch_assoc())
- {
- $this->result_array[] = $row;
- }
+ $field_name = odbc_field_name($result, $k+1);
+ $rs_assoc[$field_name] = $v;
}
- return $this->result_array;
+ return $rs_assoc;
}
+}
- // --------------------------------------------------------------------
+// --------------------------------------------------------------------
+if ( ! function_exists('odbc_fetch_object'))
+{
/**
- * Query result. Object version.
+ * ODBC Fetch object
*
- * @return array
+ * Emulates the native odbc_fetch_object() function when
+ * it is not available.
+ *
+ * @param resource &$result
+ * @param int $rownumber
+ * @return object
*/
- public function result_object()
+ function odbc_fetch_object(&$result, $rownumber = 1)
{
- if (count($this->result_object) > 0)
- {
- return $this->result_object;
- }
- elseif (($c = count($this->result_array)) > 0)
- {
- for ($i = 0; $i < $c; $i++)
- {
- $this->result_object[$i] = (object) $this->result_array[$i];
- }
- }
- elseif ($this->result_id === FALSE)
+ $rs = array();
+ if ( ! odbc_fetch_into($result, $rs, $rownumber))
{
- return array();
+ return FALSE;
}
- else
+
+ $rs_object = new stdClass();
+ foreach ($rs as $k => $v)
{
- while ($row = $this->_fetch_object())
- {
- $this->result_object[] = $row;
- }
+ $field_name = odbc_field_name($result, $k+1);
+ $rs_object->$field_name = $v;
}
- return $this->result_object;
+ return $rs_object;
}
-
}
/* End of file odbc_result.php */
diff --git a/system/database/drivers/odbc/odbc_utility.php b/system/database/drivers/odbc/odbc_utility.php
index 224d48d2b..908674a9d 100644
--- a/system/database/drivers/odbc/odbc_utility.php
+++ b/system/database/drivers/odbc/odbc_utility.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
@@ -24,6 +24,7 @@
* @since Version 1.0
* @filesource
*/
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* ODBC Utility Class
@@ -34,18 +35,16 @@
*/
class CI_DB_odbc_utility extends CI_DB_utility {
- protected $_list_databases = FALSE;
-
/**
- * ODBC Export
+ * Export
*
- * @param array Preferences
+ * @param array $params Preferences
* @return mixed
*/
protected function _backup($params = array())
{
// Currently unsupported
- return $this->db->display_error('db_unsuported_feature');
+ return $this->db->display_error('db_unsupported_feature');
}
}