Base class for the more common types of database errors. More...

Inheritance diagram for Wikimedia\Rdbms\DBExpectedError:

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Collaboration diagram for Wikimedia\Rdbms\DBExpectedError:

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Public Member Functions
	__construct (IDatabase $db=null, $error, array $params=[], $prev=null)

	getKey ()
	Returns the message key.

	getParams ()
	Returns the message parameters.

Public Member Functions inherited from Wikimedia\Rdbms\DBError
	__construct (IDatabase $db=null, $error, $prev=null)
	Construct a database error.

Protected Attributes
string[]	$params
	Message parameters.

Additional Inherited Members
Public Attributes inherited from Wikimedia\Rdbms\DBError
IDatabase null	$db

Detailed Description

Base class for the more common types of database errors.

These are known to occur frequently, so we try to give friendly error messages for them.

Since: 1.23

Definition at line 32 of file DBExpectedError.php.

Constructor & Destructor Documentation

◆ __construct()

Wikimedia\Rdbms\DBExpectedError::__construct	(	IDatabase	$db = `null`,
			$error,
		array	$params = `[]`,
			$prev = `null`
	)

Parameters

IDatabase \| null	$db
string	$error
array	$params
\\Exception \| \\Throwable \| null	$prev

Definition at line 42 of file DBExpectedError.php.

References Wikimedia\Rdbms\DBError\$db, and Wikimedia\Rdbms\DBExpectedError\$params.

Member Function Documentation

◆ getKey()

Wikimedia\Rdbms\DBExpectedError::getKey ( )

Returns the message key.

If a list of multiple possible keys was supplied to the constructor, this method may return any of these keys. After the message has been fetched, this method will return the key that was actually used to fetch the message.