[ci skip] 3.1.9 release

1 files changed, 0 insertions, 207 deletions

diff --git a/user_guide_src/source/database/configuration.rst b/user_guide_src/source/database/configuration.rst
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--- a/user_guide_src/source/database/configuration.rst
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-######################
-Database Configuration
-######################
-
-CodeIgniter has a config file that lets you store your database
-connection values (username, password, database name, etc.). The config
-file is located at application/config/database.php. You can also set
-database connection values for specific
-:doc:`environments <../libraries/config>` by placing **database.php**
-in the respective environment config folder.
-
-The config settings are stored in a multi-dimensional array with this
-prototype::
-
-	$db['default'] = array(
-		'dsn'	=> '',
-		'hostname' => 'localhost',
-		'username' => 'root',
-		'password' => '',
-		'database' => 'database_name',
-		'dbdriver' => 'mysqli',
-		'dbprefix' => '',
-		'pconnect' => TRUE,
-		'db_debug' => TRUE,
-		'cache_on' => FALSE,
-		'cachedir' => '',
-		'char_set' => 'utf8',
-		'dbcollat' => 'utf8_general_ci',
-		'swap_pre' => '',
-		'encrypt' => FALSE,
-		'compress' => FALSE,
-		'stricton' => FALSE,
-		'failover' => array()
-	);
-
-Some database drivers (such as PDO, PostgreSQL, Oracle, ODBC) might
-require a full DSN string to be provided. If that is the case, you
-should use the 'dsn' configuration setting, as if you're using the
-driver's underlying native PHP extension, like this::
-
-	// PDO
-	$db['default']['dsn'] = 'pgsql:host=localhost;port=5432;dbname=database_name';
-
-	// Oracle
-	$db['default']['dsn'] = '//localhost/XE';
-
-.. note:: If you do not specify a DSN string for a driver that requires it, CodeIgniter
-	will try to build it with the rest of the provided settings.
-
-.. note:: If you provide a DSN string and it is missing some valid settings (e.g. the
-	database character set), which are present in the rest of the configuration
-	fields, CodeIgniter will append them.
-
-You can also specify failovers for the situation when the main connection cannot connect for some reason.
-These failovers can be specified by setting the failover for a connection like this::
-
-	$db['default']['failover'] = array(
-			array(
-				'hostname' => 'localhost1',
-				'username' => '',
-				'password' => '',
-				'database' => '',
-				'dbdriver' => 'mysqli',
-				'dbprefix' => '',
-				'pconnect' => TRUE,
-				'db_debug' => TRUE,
-				'cache_on' => FALSE,
-				'cachedir' => '',
-				'char_set' => 'utf8',
-				'dbcollat' => 'utf8_general_ci',
-				'swap_pre' => '',
-				'encrypt' => FALSE,
-				'compress' => FALSE,
-				'stricton' => FALSE
-			),
-			array(
-				'hostname' => 'localhost2',
-				'username' => '',
-				'password' => '',
-				'database' => '',
-				'dbdriver' => 'mysqli',
-				'dbprefix' => '',
-				'pconnect' => TRUE,
-				'db_debug' => TRUE,
-				'cache_on' => FALSE,
-				'cachedir' => '',
-				'char_set' => 'utf8',
-				'dbcollat' => 'utf8_general_ci',
-				'swap_pre' => '',
-				'encrypt' => FALSE,
-				'compress' => FALSE,
-				'stricton' => FALSE
-			)
-		);
-
-You can specify as many failovers as you like.
-
-The reason we use a multi-dimensional array rather than a more simple
-one is to permit you to optionally store multiple sets of connection
-values. If, for example, you run multiple environments (development,
-production, test, etc.) under a single installation, you can set up a
-connection group for each, then switch between groups as needed. For
-example, to set up a "test" environment you would do this::
-
-	$db['test'] = array(
-		'dsn'	=> '',
-		'hostname' => 'localhost',
-		'username' => 'root',
-		'password' => '',
-		'database' => 'database_name',
-		'dbdriver' => 'mysqli',
-		'dbprefix' => '',
-		'pconnect' => TRUE,
-		'db_debug' => TRUE,
-		'cache_on' => FALSE,
-		'cachedir' => '',
-		'char_set' => 'utf8',
-		'dbcollat' => 'utf8_general_ci',
-		'swap_pre' => '',
-		'compress' => FALSE,
-		'encrypt' => FALSE,
-		'stricton' => FALSE,
-		'failover' => array()
-	);
-
-Then, to globally tell the system to use that group you would set this
-variable located in the config file::
-
-	$active_group = 'test';
-
-.. note:: The name 'test' is arbitrary. It can be anything you want. By
-	default we've used the word "default" for the primary connection,
-	but it too can be renamed to something more relevant to your project.
-
-Query Builder
--------------
-
-The :doc:`Query Builder Class <query_builder>` is globally enabled or
-disabled by setting the $query_builder variable in the database
-configuration file to TRUE/FALSE (boolean). The default setting is TRUE.
-If you are not using the
-query builder class, setting it to FALSE will utilize fewer resources
-when the database classes are initialized.
-
-::
-
-	$query_builder = TRUE;
-
-.. note:: that some CodeIgniter classes such as Sessions require Query
-	Builder to be enabled to access certain functionality.
-
-Explanation of Values:
-----------------------
-
-======================  ===========================================================================================================
- Name Config             Description
-======================  ===========================================================================================================
-**dsn**			The DSN connect string (an all-in-one configuration sequence).
-**hostname** 		The hostname of your database server. Often this is 'localhost'.
-**username**		The username used to connect to the database.
-**password**		The password used to connect to the database.
-**database**		The name of the database you want to connect to.
-**dbdriver**		The database type. ie: mysqli, postgre, odbc, etc. Must be specified in lower case.
-**dbprefix**		An optional table prefix which will added to the table name when running
-			:doc:`Query Builder <query_builder>` queries. This permits multiple CodeIgniter
-			installations to share one database.
-**pconnect**		TRUE/FALSE (boolean) - Whether to use a persistent connection.
-**db_debug**		TRUE/FALSE (boolean) - Whether database errors should be displayed.
-**cache_on**		TRUE/FALSE (boolean) - Whether database query caching is enabled,
-			see also :doc:`Database Caching Class <caching>`.
-**cachedir**		The absolute server path to your database query cache directory.
-**char_set**		The character set used in communicating with the database.
-**dbcollat**		The character collation used in communicating with the database
-
-			.. note:: Only used in the 'mysql' and 'mysqli' drivers.
-
-**swap_pre**		A default table prefix that should be swapped with dbprefix. This is useful for distributed
-			applications where you might run manually written queries, and need the prefix to still be
-			customizable by the end user.
-**schema**		The database schema, defaults to 'public'. Used by PostgreSQL and ODBC drivers.
-**encrypt**		Whether or not to use an encrypted connection.
-
-			  - 'mysql' (deprecated), 'sqlsrv' and 'pdo/sqlsrv' drivers accept TRUE/FALSE
-			  - 'mysqli' and 'pdo/mysql' drivers accept an array with the following options:
-			  
-			    - 'ssl_key'    - Path to the private key file
-			    - 'ssl_cert'   - Path to the public key certificate file
-			    - 'ssl_ca'     - Path to the certificate authority file
-			    - 'ssl_capath' - Path to a directory containing trusted CA certificates in PEM format
-			    - 'ssl_cipher' - List of *allowed* ciphers to be used for the encryption, separated by colons (':')
-			    - 'ssl_verify' - TRUE/FALSE; Whether to verify the server certificate or not ('mysqli' only)
-
-**compress**		Whether or not to use client compression (MySQL only).
-**stricton**		TRUE/FALSE (boolean) - Whether to force "Strict Mode" connections, good for ensuring strict SQL
-			while developing an application.
-**port**		The database port number. To use this value you have to add a line to the database config array.
-			::
-
-				$db['default']['port'] = 5432;
-
-======================  ===========================================================================================================
-
-.. note:: Depending on what database platform you are using (MySQL, PostgreSQL,
-	etc.) not all values will be needed. For example, when using SQLite you
-	will not need to supply a username or password, and the database name
-	will be the path to your database file. The information above assumes
-	you are using MySQL.