diff options
Diffstat (limited to 'system')
18 files changed, 488 insertions, 538 deletions
diff --git a/system/database/DB_result.php b/system/database/DB_result.php index abb6b588b..970a0db68 100644 --- a/system/database/DB_result.php +++ b/system/database/DB_result.php @@ -243,44 +243,6 @@ class CI_DB_result { return $result[$this->current_row]; } - /** - * Number of rows in the result set - * - * @access public - * @return integer - */ - function num_rows() - { - // Result supplied by the result adaptor class - } - - // -------------------------------------------------------------------- - - /** - * Number of fields in the result set - * - * @access public - * @return integer - */ - function num_fields() - { - // Result supplied by the result adaptor class - } - - // -------------------------------------------------------------------- - - /** - * Field data - * - * Generates an array of objects containing field meta-data - * - * @access public - * @return array - */ - function field_data() - { - // Result supplied by the result adaptor class - } } ?>
\ No newline at end of file diff --git a/system/database/DB_utility.php b/system/database/DB_utility.php index 39dc2cca2..c43b39950 100644 --- a/system/database/DB_utility.php +++ b/system/database/DB_utility.php @@ -24,9 +24,15 @@ */ class CI_DB_utility { + var $db; + + function CI_DB_utility() + { + // Assign the main database object to $this->db + $obj =& get_instance(); + $this->db =& $obj->db; + } - - // -------------------------------------------------------------------- /** * Database Version Number. Returns a string containing the @@ -39,19 +45,19 @@ class CI_DB_utility { { if (FALSE === ($sql = $this->_version())) { - if ($this->db_debug) + if ($this->db->db_debug) { - return $this->display_error('db_unsupported_function'); + return $this->db->display_error('db_unsupported_function'); } return FALSE; } - if ($this->dbdriver == 'oci8') + if ($this->db->dbdriver == 'oci8') { return $sql; - } + } - $query = $this->query($sql); + $query = $this->db->query($sql); $row = $query->row(); return $row->ver; } @@ -65,18 +71,18 @@ class CI_DB_utility { * @return array */ function tables() - { + { if (FALSE === ($sql = $this->_show_tables())) { - if ($this->db_debug) + if ($this->db->db_debug) { - return $this->display_error('db_unsupported_function'); + return $this->db->display_error('db_unsupported_function'); } return FALSE; } $retval = array(); - $query = $this->query($sql); + $query = $this->db->query($sql); if ($query->num_rows() > 0) { @@ -104,8 +110,8 @@ class CI_DB_utility { * @return boolean */ function table_exists($table_name) - { - return ( ! in_array($this->dbprefix.$table_name, $this->tables())) ? FALSE : TRUE; + { + return ( ! in_array($this->db->dbprefix.$table_name, $this->tables())) ? FALSE : TRUE; } // -------------------------------------------------------------------- @@ -121,23 +127,23 @@ class CI_DB_utility { { if ($table == '') { - if ($this->db_debug) + if ($this->db->db_debug) { - return $this->display_error('db_field_param_missing'); + return $this->db->display_error('db_field_param_missing'); } return FALSE; } - if (FALSE === ($sql = $this->_show_columns($this->dbprefix.$table))) + if (FALSE === ($sql = $this->_show_columns($this->db->dbprefix.$table))) { - if ($this->db_debug) + if ($this->db->db_debug) { - return $this->display_error('db_unsupported_function'); + return $this->db->display_error('db_unsupported_function'); } return FALSE; } - $query = $this->query($sql); + $query = $this->db->query($sql); $retval = array(); foreach($query->result_array() as $row) @@ -168,14 +174,14 @@ class CI_DB_utility { { if ($table == '') { - if ($this->db_debug) + if ($this->db->db_debug) { - return $this->display_error('db_field_param_missing'); + return $this->db->display_error('db_field_param_missing'); } return FALSE; } - return $this->_field_data($this->dbprefix.$table); + return $this->_field_data($this->db->dbprefix.$table); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php index cd808da46..38fce1134 100644 --- a/system/database/drivers/mssql/mssql_driver.php +++ b/system/database/drivers/mssql/mssql_driver.php @@ -386,71 +386,7 @@ class CI_DB_mssql_driver extends CI_DB { function _close($conn_id) { mssql_close($conn_id); - } - - // -------------------------------------------------------------------- - - /** - * Version number query string - * - * @access public - * @return string - */ - function _version() - { - return "SELECT version() AS ver"; - } - - // -------------------------------------------------------------------- - - /** - * Show table query - * - * Generates a platform-specific query string so that the table names can be fetched - * - * @access public - * @return string - */ - function _show_tables() - { - return "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name"; - } - - // -------------------------------------------------------------------- - - /** - * Show columnn query - * - * Generates a platform-specific query string so that the column names can be fetched - * - * @access public - * @param string the table name - * @return string - */ - function _show_columns($table = '') - { - return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$this->_escape_table($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) - { - $sql = "SELECT TOP 1 FROM ".$this->_escape_table($table); - $query = $this->query($sql); - return $query->field_data(); - } - - + } } diff --git a/system/database/drivers/mssql/mssql_utility.php b/system/database/drivers/mssql/mssql_utility.php index a76e1f14f..96d112805 100644 --- a/system/database/drivers/mssql/mssql_utility.php +++ b/system/database/drivers/mssql/mssql_utility.php @@ -22,20 +22,71 @@ * @author Rick Ellis * @link http://www.codeigniter.com/user_guide/database/ */ -class CI_DB_mssql_utility { +class CI_DB_mssql_utility extends CI_DB_utility { + + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + return "SELECT version() AS ver"; + } + // -------------------------------------------------------------------- + /** - * Some function + * Show table query + * + * Generates a platform-specific query string so that the table names can be fetched * * @access public - * @return integer + * @return string */ - function something() + function _show_tables() { + return "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name"; } // -------------------------------------------------------------------- + /** + * Show columnn query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access public + * @param string the table name + * @return string + */ + function _show_columns($table = '') + { + return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$this->db->_escape_table($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) + { + $sql = "SELECT TOP 1 FROM ".$this->db->_escape_table($table); + $query = $this->db->query($sql); + return $query->field_data(); + } + + + } ?>
\ No newline at end of file diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index fc7f6780b..545ac1986 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -410,69 +410,7 @@ class CI_DB_mysql_driver extends CI_DB { { mysql_close($conn_id); } - - // -------------------------------------------------------------------- - - /** - * Version number query string - * - * @access public - * @return string - */ - function _version() - { - return "SELECT version() AS ver"; - } - - // -------------------------------------------------------------------- - - /** - * Show table query - * - * Generates a platform-specific query string so that the table names can be fetched - * - * @access public - * @return string - */ - function _show_tables() - { - return "SHOW TABLES FROM `".$this->database."`"; - } - // -------------------------------------------------------------------- - - /** - * Show columnn query - * - * Generates a platform-specific query string so that the column names can be fetched - * - * @access public - * @param string the table name - * @return string - */ - function _show_columns($table = '') - { - return "SHOW COLUMNS FROM ".$this->_escape_table($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) - { - $sql = "SELECT * FROM ".$this->_escape_table($table)." LIMIT 1"; - $query = $this->query($sql); - return $query->field_data(); - } - } ?>
\ No newline at end of file diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php index 8dd764888..9bf2f5aa9 100644 --- a/system/database/drivers/mysql/mysql_utility.php +++ b/system/database/drivers/mysql/mysql_utility.php @@ -22,20 +22,70 @@ * @author Rick Ellis * @link http://www.codeigniter.com/user_guide/database/ */ -class CI_DB_mysql_utility { +class CI_DB_mysql_utility extends CI_DB_utility { + /** - * Some function + * Version number query string * * @access public - * @return integer + * @return string */ - function something() + function _version() { + return "SELECT version() AS ver"; + } + + // -------------------------------------------------------------------- + + /** + * Show table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access public + * @return string + */ + function _show_tables() + { + return "SHOW TABLES FROM `".$this->db->database."`"; } // -------------------------------------------------------------------- + /** + * Show columnn 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 _show_columns($table = '') + { + return "SHOW COLUMNS FROM ".$this->db->_escape_table($table); + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + $sql = "SELECT * FROM ".$this->db->_escape_table($table)." LIMIT 1"; + $query = $this->db->query($sql); + return $query->field_data(); + } + + } ?>
\ No newline at end of file diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php index 959384164..adc482dfe 100644 --- a/system/database/drivers/mysqli/mysqli_driver.php +++ b/system/database/drivers/mysqli/mysqli_driver.php @@ -412,68 +412,6 @@ class CI_DB_mysqli_driver extends CI_DB { mysqli_close($conn_id); } - // -------------------------------------------------------------------- - - /** - * Version number query string - * - * @access public - * @return string - */ - function _version() - { - return "SELECT version() AS ver"; - } - - // -------------------------------------------------------------------- - - /** - * Show table query - * - * Generates a platform-specific query string so that the table names can be fetched - * - * @access public - * @return string - */ - function _show_tables() - { - return "SHOW TABLES FROM `".$this->database."`"; - } - - // -------------------------------------------------------------------- - - /** - * Show columnn query - * - * Generates a platform-specific query string so that the column names can be fetched - * - * @access public - * @param string the table name - * @return string - */ - function _show_columns($table = '') - { - return "SHOW COLUMNS FROM ".$this->_escape_table($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) - { - $sql = "SELECT * FROM ".$this->_escape_table($table)." LIMIT 1"; - $query = $this->query($sql); - return $query->field_data(); - } - } diff --git a/system/database/drivers/mysqli/mysqli_utility.php b/system/database/drivers/mysqli/mysqli_utility.php index 02b423c30..a1498a33d 100644 --- a/system/database/drivers/mysqli/mysqli_utility.php +++ b/system/database/drivers/mysqli/mysqli_utility.php @@ -22,20 +22,70 @@ * @author Rick Ellis * @link http://www.codeigniter.com/user_guide/database/ */ -class CI_DB_mysqli_utility { +class CI_DB_mysqli_utility extends CI_DB_utility { /** - * Some function + * Version number query string * * @access public - * @return integer + * @return string */ - function something() + function _version() { + return "SELECT version() AS ver"; } // -------------------------------------------------------------------- + /** + * Show table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access public + * @return string + */ + function _show_tables() + { + return "SHOW TABLES FROM `".$this->db->database."`"; + } + + // -------------------------------------------------------------------- + + /** + * Show columnn 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 _show_columns($table = '') + { + return "SHOW COLUMNS FROM ".$this->db->_escape_table($table); + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + $sql = "SELECT * FROM ".$this->db->_escape_table($table)." LIMIT 1"; + $query = $this->db->query($sql); + return $query->field_data(); + } + + + } ?>
\ No newline at end of file diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php index bfc38a435..f7f4bd143 100644 --- a/system/database/drivers/oci8/oci8_driver.php +++ b/system/database/drivers/oci8/oci8_driver.php @@ -539,69 +539,6 @@ class CI_DB_oci8_driver extends CI_DB { ocilogoff($conn_id); } - // -------------------------------------------------------------------- - - /** - * Version number query string - * - * @access public - * @return string - */ - function _version() - { - $ver = ociserverversion($this->conn_id); - return $ver; - } - - // -------------------------------------------------------------------- - - /** - * Show table query - * - * Generates a platform-specific query string so that the table names can be fetched - * - * @access public - * @return string - */ - function _show_tables() - { - return "select TABLE_NAME FROM ALL_TABLES"; - } - - // -------------------------------------------------------------------- - - /** - * Show columnn query - * - * Generates a platform-specific query string so that the column names can be fetched - * - * @access public - * @param string the table name - * @return string - */ - function _show_columns($table = '') - { - return "SELECT COLUMN_NAME FROM all_tab_columns WHERE table_name = '$table'"; - } - - // -------------------------------------------------------------------- - - /** - * Field data query - * - * Generates a platform-specific query so that the column data can be retrieved - * - * @access public - * @param string the table name - * @return object - */ - function _field_data($table) - { - $sql = "SELECT * FROM ".$this->_escape_table($table)." where rownum = 1"; - $query = $this->query($sql); - return $query->field_data(); - } - } diff --git a/system/database/drivers/oci8/oci8_utility.php b/system/database/drivers/oci8/oci8_utility.php index f1e327a3e..fdd585d98 100644 --- a/system/database/drivers/oci8/oci8_utility.php +++ b/system/database/drivers/oci8/oci8_utility.php @@ -22,19 +22,70 @@ * @author Rick Ellis * @link http://www.codeigniter.com/user_guide/database/ */ -class CI_DB_oci8_utility { - - /** - * Some function - * - * @access public - * @return integer - */ - function something() - { - } - - // -------------------------------------------------------------------- +class CI_DB_oci8_utility extends CI_DB_utility { + + + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + return ociserverversion($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Show table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access public + * @return string + */ + function _show_tables() + { + return "select TABLE_NAME FROM ALL_TABLES"; + } + + // -------------------------------------------------------------------- + + /** + * Show columnn 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 _show_columns($table = '') + { + return "SELECT COLUMN_NAME FROM all_tab_columns WHERE table_name = '$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) + { + $sql = "SELECT * FROM ".$this->db->_escape_table($table)." where rownum = 1"; + $query = $this->db->query($sql); + return $query->field_data(); + } + } diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php index c05abd082..bef6258de 100644 --- a/system/database/drivers/odbc/odbc_driver.php +++ b/system/database/drivers/odbc/odbc_driver.php @@ -386,68 +386,6 @@ class CI_DB_odbc_driver extends CI_DB { odbc_close($conn_id); } - // -------------------------------------------------------------------- - - /** - * Version number query string - * - * @access public - * @return string - */ - function _version() - { - return "SELECT version() AS ver"; - } - - // -------------------------------------------------------------------- - - /** - * Show table query - * - * Generates a platform-specific query string so that the table names can be fetched - * - * @access public - * @return string - */ - function _show_tables() - { - return "SHOW TABLES FROM `".$this->database."`"; - } - - // -------------------------------------------------------------------- - - /** - * Show columnn query - * - * Generates a platform-specific query string so that the column names can be fetched - * - * @access public - * @param string the table name - * @return string - */ - function _show_columns($table = '') - { - return "SHOW COLUMNS FROM ".$this->_escape_table($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) - { - $sql = "SELECT TOP 1 FROM ".$this->_escape_table($table); - $query = $this->query($sql); - return $query->field_data(); - } - } diff --git a/system/database/drivers/odbc/odbc_utility.php b/system/database/drivers/odbc/odbc_utility.php index f2b5602cc..837c8c881 100644 --- a/system/database/drivers/odbc/odbc_utility.php +++ b/system/database/drivers/odbc/odbc_utility.php @@ -22,20 +22,70 @@ * @author Rick Ellis * @link http://www.codeigniter.com/database/ */ -class CI_DB_odbc_utility { +class CI_DB_odbc_utility extends CI_DB_utility { + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + return "SELECT version() AS ver"; + } + // -------------------------------------------------------------------- + /** - * Some function + * Show table query + * + * Generates a platform-specific query string so that the table names can be fetched * * @access public - * @return integer + * @return string */ - function something() + function _show_tables() { + return "SHOW TABLES FROM `".$this->db->database."`"; } // -------------------------------------------------------------------- + /** + * Show columnn 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 _show_columns($table = '') + { + return "SHOW COLUMNS FROM ".$this->db->_escape_table($table); + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + $sql = "SELECT TOP 1 FROM ".$this->db->_escape_table($table); + $query = $this->db->query($sql); + return $query->field_data(); + } + + + } ?>
\ No newline at end of file diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php index 03817188f..9c8a18eb5 100644 --- a/system/database/drivers/postgre/postgre_driver.php +++ b/system/database/drivers/postgre/postgre_driver.php @@ -419,66 +419,6 @@ class CI_DB_postgre_driver extends CI_DB { pg_close($conn_id); } - // -------------------------------------------------------------------- - - /** - * Version number query string - * - * @access public - * @return string - */ - function _version() - { - return "SELECT version() AS ver"; - } - - /** - * Show table query - * - * Generates a platform-specific query string so that the table names can be fetched - * - * @access public - * @return string - */ - function _show_tables() - { - return "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'"; - } - - // -------------------------------------------------------------------- - - /** - * Show columnn 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 _show_columns($table = '') - { - return "SELECT column_name FROM information_schema.columns WHERE table_name ='".$this->_escape_table($table)."'"; - } - - // -------------------------------------------------------------------- - - /** - * Field data query - * - * Generates a platform-specific query so that the column data can be retrieved - * - * @access public - * @param string the table name - * @return object - */ - function _field_data($table) - { - $sql = "SELECT * FROM ".$this->_escape_table($table)." LIMIT 1"; - $query = $this->query($sql); - return $query->field_data(); - } - } diff --git a/system/database/drivers/postgre/postgre_utility.php b/system/database/drivers/postgre/postgre_utility.php index 760be81a0..cfc475f6b 100644 --- a/system/database/drivers/postgre/postgre_utility.php +++ b/system/database/drivers/postgre/postgre_utility.php @@ -22,20 +22,70 @@ * @author Rick Ellis * @link http://www.codeigniter.com/user_guide/database/ */ -class CI_DB_postgre_utility { +class CI_DB_postgre_utility extends CI_DB_utility { + /** - * Some function + * Version number query string * * @access public - * @return integer + * @return string */ - function something() + function _version() { + return "SELECT version() AS ver"; + } + + // -------------------------------------------------------------------- + + /** + * Show table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access public + * @return string + */ + function _show_tables() + { + return "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'"; } // -------------------------------------------------------------------- + /** + * Show columnn query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access public + * @param string the table name + * @return string + */ + function _show_columns($table = '') + { + return "SELECT column_name FROM information_schema.columns WHERE table_name ='".$this->db->_escape_table($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) + { + $sql = "SELECT * FROM ".$this->db->_escape_table($table)." LIMIT 1"; + $query = $this->db->query($sql); + return $query->field_data(); + } + + } ?>
\ No newline at end of file diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php index f8318b814..603984575 100644 --- a/system/database/drivers/sqlite/sqlite_driver.php +++ b/system/database/drivers/sqlite/sqlite_driver.php @@ -413,69 +413,6 @@ class CI_DB_sqlite_driver extends CI_DB { sqlite_close($conn_id); } - // -------------------------------------------------------------------- - - /** - * Version number query string - * - * @access public - * @return string - */ - function _version() - { - return sqlite_libversion(); - } - - // -------------------------------------------------------------------- - - /** - * Show table query - * - * Generates a platform-specific query string so that the table names can be fetched - * - * @access public - * @return string - */ - function _show_tables() - { - return "SELECT name from sqlite_master WHERE type='table'"; - } - - // -------------------------------------------------------------------- - - /** - * Show columnn 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 _show_columns($table = '') - { - // Not supported - return FALSE; - } - - // -------------------------------------------------------------------- - - /** - * Field data query - * - * Generates a platform-specific query so that the column data can be retrieved - * - * @access public - * @param string the table name - * @return object - */ - function _field_data($table) - { - $sql = "SELECT * FROM ".$this->_escape_table($table)." LIMIT 1"; - $query = $this->query($sql); - return $query->field_data(); - } - } diff --git a/system/database/drivers/sqlite/sqlite_utility.php b/system/database/drivers/sqlite/sqlite_utility.php index 3cbec6f14..2b99df907 100644 --- a/system/database/drivers/sqlite/sqlite_utility.php +++ b/system/database/drivers/sqlite/sqlite_utility.php @@ -22,20 +22,71 @@ * @author Rick Ellis * @link http://www.codeigniter.com/user_guide/database/ */ -class CI_DB_sqlite_utility { - +class CI_DB_sqlite_utility extends CI_DB_utility { + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + return sqlite_libversion(); + } + + // -------------------------------------------------------------------- + /** - * Some function + * Show table query + * + * Generates a platform-specific query string so that the table names can be fetched * * @access public - * @return integer + * @return string */ - function something() + function _show_tables() { + return "SELECT name from sqlite_master WHERE type='table'"; } // -------------------------------------------------------------------- + /** + * Show columnn query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access public + * @param string the table name + * @return string + */ + function _show_columns($table = '') + { + // Not supported + return 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) + { + $sql = "SELECT * FROM ".$this->db->_escape_table($table)." LIMIT 1"; + $query = $this->db->query($sql); + return $query->field_data(); + } + + + } ?>
\ No newline at end of file diff --git a/system/libraries/Controller.php b/system/libraries/Controller.php index b91cf3b07..5fdbd9f9f 100644 --- a/system/libraries/Controller.php +++ b/system/libraries/Controller.php @@ -384,7 +384,7 @@ class Controller extends CI_Base { require_once(BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver'.EXT); // Instantiate the DB adapter - $driver = 'CI_DB_'. $params['dbdriver'].'_driver'; + $driver = 'CI_DB_'.$params['dbdriver'].'_driver'; $DB = new $driver($params); if ($return === TRUE) @@ -397,7 +397,49 @@ class Controller extends CI_Base { $obj->db =& $DB; } // END _ci_init_database() - + + + // -------------------------------------------------------------------- + + /** + * Initialize Database Utilities Class + * + * @access private + * @param mixed database platform + * @param bool whether to return the object + * @return void + */ + function _ci_init_dbutils($db = '', $return = FALSE) + { + if ($this->_ci_is_loaded('dbutils') == TRUE AND $return == FALSE) + { + return; + } + + if ($this->_ci_is_loaded('db') == FALSE) + { + $this->_ci_init_database(); + } + + require_once(BASEPATH.'database/DB_utility'.EXT); + require_once(BASEPATH.'database/drivers/'.$this->db->dbdriver.'/'.$this->db->dbdriver.'_utility'.EXT); + + + // Instantiate the DB adapter + $driver = 'CI_DB_'.$this->db->dbdriver.'_utility'; + $DB = new $driver(); + + if ($return === TRUE) + { + return $DB; + } + + $obj =& get_instance(); + $obj->ci_is_loaded[] = 'dbutils'; + $obj->dbutil =& $DB; + } + // END _ci_init_database() + // -------------------------------------------------------------------- /** diff --git a/system/libraries/Loader.php b/system/libraries/Loader.php index d966e2862..f4a9f821d 100644 --- a/system/libraries/Loader.php +++ b/system/libraries/Loader.php @@ -108,7 +108,7 @@ class CI_Loader { * @param string the DB credentials * @param bool whether to return the DB object * @param bool whether to enable active record (this allows us to override the config setting) - * @return mixed + * @return object */ function database($db = '', $return = FALSE, $active_record = FALSE) { @@ -125,6 +125,29 @@ class CI_Loader { } } // END database() + + // -------------------------------------------------------------------- + + /** + * Database Utilities Loader + * + * @access public + * @param string the DB platform + * @param bool whether to return the DB object + * @return object + */ + function dbutils($db = '', $return = FALSE) + { + $obj =& get_instance(); + + if ( ! is_bool($return)) + { + $return = FALSE; + } + + return $obj->_ci_init_dbutils($db, $return); + } + // END dbutils() // -------------------------------------------------------------------- |