Class OrderClauseExpression
An expression object for complex ORDER BY clauses
Property Summary
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$_direction protected
string
The direction of sorting.
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$_field protected
Cake\Database\ExpressionInterface|array|string
The 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(): Cake\Database\ExpressionInterface|array|string
Returns the field name
Returns
Cake\Database\ExpressionInterface|array|string
setField() ¶ public
setField(Cake\Database\ExpressionInterface|array|string $field): void
Sets the field name
Parameters
-
Cake\Database\ExpressionInterface|array|string
$field The field to compare with.
Returns
void
sql() ¶ public
sql(Cake\Database\ValueBinder $binder): string
Converts the Node into a SQL string fragment.
Parameters
-
Cake\Database\ValueBinder
$binder
Returns
string
traverse() ¶ public
traverse(Closure $callback): $this
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.
Parameters
-
Closure
$callback
Returns
$this