Wikimedia\Rdbms\ExpressionGroup Class Reference

A composite node representing a group of expressions. More...

Inherits Wikimedia\Rdbms\IExpression.

Inherited by Wikimedia\Rdbms\AndExpressionGroup, and Wikimedia\Rdbms\OrExpressionGroup.

Collaboration diagram for Wikimedia\Rdbms\ExpressionGroup:

Public Member Functions
	__construct (IExpression ... $children)
	toGeneralizedSql ()
	Return SQL for aggregated logging.
	toSql (DbQuoter $dbQuoter)

Static Public Member Functions
static	newFromArray (array $conds)

Protected Member Functions
	add (IExpression $expression)
	getType ()

Protected Attributes
array IExpression[]	$children = []

Additional Inherited Members
Public Attributes inherited from Wikimedia\Rdbms\IExpression
const	ACCEPTABLE_OPERATORS = [ '>', '<', '!=', '=', '>=', '<=', self::LIKE, self::NOT_LIKE ]
const	LIKE = 'LIKE'
const	NOT_LIKE = 'NOT LIKE'

Detailed Description

A composite node representing a group of expressions.

Since

1.42

Definition at line 16 of file ExpressionGroup.php.

Constructor & Destructor Documentation

__construct()

Wikimedia\Rdbms\ExpressionGroup::__construct

(

IExpression ...

$children

)

Parameters

IExpression

...$children

Access: internal

Outside of rdbms, Use IReadableDatabase::andExpr() or ::orExpr to create an expression group object

Definition at line 26 of file ExpressionGroup.php.

References Wikimedia\Rdbms\ExpressionGroup\$children.

Member Function Documentation

add()

Wikimedia\Rdbms\ExpressionGroup::add ( IExpression $expression )

finalprotected

Definition at line 30 of file ExpressionGroup.php.

getType()

Wikimedia\Rdbms\ExpressionGroup::getType ( )

abstractprotected

Reimplemented in Wikimedia\Rdbms\AndExpressionGroup, and Wikimedia\Rdbms\OrExpressionGroup.

newFromArray()

static Wikimedia\Rdbms\ExpressionGroup::newFromArray ( array $conds )

static

Access: internal

to rdbms

Parameters

non-empty-array<string,?scalar|RawSQLValue|Blob|LikeValue|non-empty-list<scalar|Blob>>|non-empty-array<int,IExpression>

$conds

Returns

static

Definition at line 42 of file ExpressionGroup.php.

toGeneralizedSql()

Wikimedia\Rdbms\ExpressionGroup::toGeneralizedSql ( )

final

Return SQL for aggregated logging.

Replaces values with placeholders.

Access: internal

Implements Wikimedia\Rdbms\IExpression.

Definition at line 77 of file ExpressionGroup.php.

toSql()

Wikimedia\Rdbms\ExpressionGroup::toSql ( DbQuoter $dbQuoter )

final

Parameters

DbQuoter

$dbQuoter

Returns

string

Implements Wikimedia\Rdbms\IExpression.

Definition at line 69 of file ExpressionGroup.php.

Member Data Documentation

$children

array IExpression [] Wikimedia\Rdbms\ExpressionGroup::$children = []

protected

Definition at line 20 of file ExpressionGroup.php.

Referenced by Wikimedia\Rdbms\ExpressionGroup\__construct().

---

The documentation for this class was generated from the following file:

• includes/libs/rdbms/expression/ExpressionGroup.php