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PHP Class CI_DB_postgre_driver, TastyIgniter

Note: _DB is an extender class that the app controller creates dynamically based on whether the active record class is being used or not.
See link: http://codeigniter.com/user_guide/database/
Author: ExpressionEngine Dev Team
Inheritance: extends CI_DB
ファイルを表示 Open project: tastyigniter/tastyigniter Class Usage Examples

Public Properties

Property Type Description
$dbdriver string Database driver
$schema string Database schema

Protected Properties

Property Type Description
$_random_keyword array ORDER BY random keyword

Public Methods

Method Description
__construct ( array $params ) : void Class constructor
affected_rows ( ) : integer Affected Rows
db_connect ( boolean $persistent = FALSE ) : resource Database connection
error ( ) : array Error
escape ( string $str ) : mixed "Smart" Escape String
field_data ( string $table ) : array Returns an object with field data
insert_id ( ) : string Insert ID
is_write_type ( $sql ) : boolean Determines if a query is a "write" type.
order_by ( string $orderby, string $direction = '', boolean $escape = NULL ) : object ORDER BY
reconnect ( ) : void Reconnect
version ( ) : string Database version number

Protected Methods

Method Description
_close ( ) : void Close DB Connection
_db_set_charset ( string $charset ) : boolean Set client character set
_delete ( string $table ) : string Delete statement
_escape_str ( $str ) : string Platform-dependant string escape
_execute ( string $sql ) : resource Execute the query
_limit ( string $sql ) : string LIMIT
_list_columns ( string $table = '' ) : string List column query
_list_tables ( boolean $prefix_limit = FALSE ) : string Show table query
_trans_begin ( ) : boolean Begin Transaction
_trans_commit ( ) : boolean Commit Transaction
_trans_rollback ( ) : boolean Rollback Transaction
_update ( string $table, array $values ) : string Update statement
_update_batch ( string $table, array $values, string $index ) : string Update_Batch statement

Method Details

__construct() public method

Creates a DSN string to be used for db_connect() and db_pconnect()
public __construct ( array $params ) : void
$params array
return void

_close() protected method

Close DB Connection
protected _close ( ) : void
return void

_db_set_charset() protected method

Set client character set
protected _db_set_charset ( string $charset ) : boolean
$charset string
return boolean

_delete() protected method

Generates a platform-specific delete string from the supplied data
protected _delete ( string $table ) : string
$table string
return string

_escape_str() protected method

Platform-dependant string escape
protected _escape_str ( $str ) : string
return string

_execute() protected method

Execute the query
protected _execute ( string $sql ) : resource
$sql string an SQL query
return resource

_limit() protected method

Generates a platform-specific LIMIT clause
protected _limit ( string $sql ) : string
$sql string SQL Query
return string

_list_columns() protected method

Generates a platform-specific query string so that the column names can be fetched
protected _list_columns ( string $table = '' ) : string
$table string
return string

_list_tables() protected method

Generates a platform-specific query string so that the table names can be fetched
protected _list_tables ( boolean $prefix_limit = FALSE ) : string
$prefix_limit boolean
return string

_trans_begin() protected method

Begin Transaction
protected _trans_begin ( ) : boolean
return boolean

_trans_commit() protected method

Commit Transaction
protected _trans_commit ( ) : boolean
return boolean

_trans_rollback() protected method

Rollback Transaction
protected _trans_rollback ( ) : boolean
return boolean

_update() protected method

Generates a platform-specific update string from the supplied data
protected _update ( string $table, array $values ) : string
$table string
$values array
return string

_update_batch() protected method

Generates a platform-specific batch update string from the supplied data
protected _update_batch ( string $table, array $values, string $index ) : string
$table string Table name
$values array Update data
$index string WHERE key
return string

affected_rows() public method

Affected Rows
public affected_rows ( ) : integer
return integer

db_connect() public method

Database connection
public db_connect ( boolean $persistent = FALSE ) : resource
$persistent boolean
return resource

error() public method

Returns an array containing code and message of the last database error that has occured.
public error ( ) : array
return array

escape() public method

Escapes data based on type
public escape ( string $str ) : mixed
$str string
return mixed

field_data() public method

Returns an object with field data
public field_data ( string $table ) : array
$table string
return array

insert_id() public method

Insert ID
public insert_id ( ) : string
return string

is_write_type() public method

Determines if a query is a "write" type.
public is_write_type ( $sql ) : boolean
return boolean

order_by() public method

ORDER BY
public order_by ( string $orderby, string $direction = '', boolean $escape = NULL ) : object
$orderby string
$direction string ASC, DESC or RANDOM
$escape boolean
return object

reconnect() public method

Keep / reestablish the db connection if no queries have been sent for a length of time exceeding the server's idle timeout
public reconnect ( ) : void
return void

version() public method

Database version number
public version ( ) : string
return string

Property Details

$_random_keyword protected_oe property

ORDER BY random keyword
protected array $_random_keyword
return array

$dbdriver public_oe property

Database driver
public string $dbdriver
return string

$schema public_oe property

Database schema
public string $schema
return string