Class CommonTableExpression

An expression that represents a common table expression definition.

Namespace: Cake\Database\Expression

Properties summary

  • $fields protected
    \Cake\Database\Expression\IdentifierExpression[]

    The field names to use for the CTE.

  • $materialized protected
    string|null

    Whether the CTE is materialized or not materialized.

  • $name protected
    \Cake\Database\Expression\IdentifierExpression

    The CTE name.

  • $query protected
    \Cake\Database\ExpressionInterface|null

    The CTE query definition.

  • $recursive protected
    bool

    Whether the CTE is recursive.

Method Summary

  • __clone() public

    Clones the inner expression objects.

  • __construct() public

    Constructor.

  • field() public

    Adds one or more fields (arguments) to the CTE.

  • isRecursive() public

    Gets whether this CTE is recursive.

  • materialized() public

    Sets this CTE as materialized.

  • name() public

    Sets the name of this CTE.

  • notMaterialized() public

    Sets this CTE as not materialized.

  • query() public

    Sets the query for this CTE.

  • recursive() public

    Sets this CTE as recursive.

  • sql() public

    Converts the Node into a SQL string fragment.

  • traverse() public

    Iterates over each part of the expression recursively for every level of the expressions tree and executes the $visitor callable passing as first parameter the instance of the expression currently being iterated.

Method Detail

__clone() public 

__clone()

Clones the inner expression objects.

__construct() public 

__construct(string $name, mixed $query)

Constructor.

Parameters

string $name optional

The CTE name.

\Closure|\Cake\Database\ExpressionInterface $query optional

CTE query

field() public 

field(mixed $fields)

Adds one or more fields (arguments) to the CTE.

Parameters

string|string[]|\Cake\Database\Expression\IdentifierExpression|\Cake\Database\Expression\IdentifierExpression[] $fields

Field names

Returns

$this

isRecursive() public 

isRecursive()

Gets whether this CTE is recursive.

Returns

bool

materialized() public 

materialized()

Sets this CTE as materialized.

Returns

$this

name() public 

name(string $name)

Sets the name of this CTE.

This is the named you used to reference the expression in select, insert, etc queries.

Parameters

string $name

The CTE name.

Returns

$this

notMaterialized() public 

notMaterialized()

Sets this CTE as not materialized.

Returns

$this

query() public 

query(mixed $query)

Sets the query for this CTE.

Parameters

\Closure|\Cake\Database\ExpressionInterface $query

CTE query

Returns

$this

recursive() public 

recursive()

Sets this CTE as recursive.

Returns

$this

sql() public 

sql(\Cake\Database\ValueBinder $generator)

Converts the Node into a SQL string fragment.

Parameters

\Cake\Database\ValueBinder $generator

Placeholder generator object

Returns

string

traverse() public 

traverse(\Closure $visitor)

Iterates over each part of the expression recursively for every level of the expressions tree and executes the $visitor callable passing as first parameter the instance of the expression currently being iterated.

Parameters

\Closure $visitor

The callable to apply to all nodes.

Returns

$this

Property Detail

$fields protected

The field names to use for the CTE.

Type

\Cake\Database\Expression\IdentifierExpression[]

$materialized protected

Whether the CTE is materialized or not materialized.

Type

string|null

$name protected

The CTE name.

Type

\Cake\Database\Expression\IdentifierExpression

$query protected

The CTE query definition.

Type

\Cake\Database\ExpressionInterface|null

$recursive protected

Whether the CTE is recursive.

Type

bool

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https://api.cakephp.org/4.1/class-Cake.Database.Expression.CommonTableExpression.html