Class OrderClauseExpression
An expression object for complex ORDER BY clauses
Property Summary
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$_direction protected
stringThe direction of sorting.
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$_field protected
string|arrayCake\Database\ExpressionInterfaceThe field name or expression to be used in the left hand side of the operator
Method Summary
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__clone() public
Create a deep clone of the order clause.
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__construct() public
Constructor
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getField() public
Returns the field name
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setField() public
Sets the field name
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sql() public
Converts the Node into a SQL string fragment.
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traverse() public
Iterates over each part of the expression recursively for every level of the expressions tree and executes the $callback callable passing as first parameter the instance of the expression currently being iterated.
Method Detail
__construct() ¶ public
__construct(Cake\Database\ExpressionInterface|string $field, string $direction)Constructor
Parameters
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Cake\Database\ExpressionInterface|string$field The field to order on.
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string$direction The direction to sort on.
getField() ¶ public
getField(): string|arrayCake\Database\ExpressionInterfaceReturns the field name
Returns
string|arrayCake\Database\ExpressionInterfacesetField() ¶ public
setField(string|arrayCake\Database\ExpressionInterface $field): voidSets the field name
Parameters
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string|arrayCake\Database\ExpressionInterface$field The field to compare with.
Returns
voidsql() ¶ public
sql(Cake\Database\ValueBinder $binder): stringConverts the Node into a SQL string fragment.
Parameters
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Cake\Database\ValueBinder$binder
Returns
stringtraverse() ¶ public
traverse(Closure $callback): $thisIterates over each part of the expression recursively for every level of the expressions tree and executes the $callback callable passing as first parameter the instance of the expression currently being iterated.
Parameters
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Closure$callback
Returns
$this